merge with stable

There were a handful of merge conflicts in the wire protocol code due
to significant refactoring in default. When resolving the conflicts,
I tried to produce the minimal number of changes to make the incoming
security patches work with the new code.

I will send some follow-up commits to get the security patches better
integrated into default.

tests/test-http-permissions.t

@@ -0,0 +1,1502 b''
+#require killdaemons
+
+  $ cat > fakeremoteuser.py << EOF
+  > import os
+  > from mercurial.hgweb import hgweb_mod
+  > from mercurial import wireproto
+  > class testenvhgweb(hgweb_mod.hgweb):
+  >     def __call__(self, env, respond):
+  >         # Allow REMOTE_USER to define authenticated user.
+  >         if r'REMOTE_USER' in os.environ:
+  >             env[r'REMOTE_USER'] = os.environ[r'REMOTE_USER']
+  >         # Allow REQUEST_METHOD to override HTTP method
+  >         if r'REQUEST_METHOD' in os.environ:
+  >             env[r'REQUEST_METHOD'] = os.environ[r'REQUEST_METHOD']
+  >         return super(testenvhgweb, self).__call__(env, respond)
+  > hgweb_mod.hgweb = testenvhgweb
+  > 
+  > @wireproto.wireprotocommand('customreadnoperm')
+  > def customread(repo, proto):
+  >     return b'read-only command no defined permissions\n'
+  > @wireproto.wireprotocommand('customwritenoperm')
+  > def customwritenoperm(repo, proto):
+  >     return b'write command no defined permissions\n'
+  > wireproto.permissions['customreadwithperm'] = 'pull'
+  > @wireproto.wireprotocommand('customreadwithperm')
+  > def customreadwithperm(repo, proto):
+  >     return b'read-only command w/ defined permissions\n'
+  > wireproto.permissions['customwritewithperm'] = 'push'
+  > @wireproto.wireprotocommand('customwritewithperm')
+  > def customwritewithperm(repo, proto):
+  >     return b'write command w/ defined permissions\n'
+  > EOF
+
+  $ cat >> $HGRCPATH << EOF
+  > [extensions]
+  > fakeremoteuser = $TESTTMP/fakeremoteuser.py
+  > strip =
+  > EOF
+
+  $ hg init test
+  $ cd test
+  $ echo a > a
+  $ hg ci -Ama
+  adding a
+  $ cd ..
+  $ hg clone test test2
+  updating to branch default
+  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
+  $ cd test2
+  $ echo a >> a
+  $ hg ci -mb
+  $ hg book bm -r 0
+  $ cd ../test
+
+web.deny_read=* prevents access to wire protocol for all users
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > deny_read = *
+  > EOF
+
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=capabilities'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=stream_out'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_read=* with REMOTE_USER set still locks out clients
+
+  $ REMOTE_USER=authed_user hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=capabilities'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=stream_out'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_read=<user> denies access to unauthenticated user
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > deny_read = baduser1,baduser2
+  > EOF
+
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_read=<user> denies access to users in deny list
+
+  $ REMOTE_USER=baduser2 hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_read=<user> allows access to authenticated users not in list
+
+  $ REMOTE_USER=gooduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  200 Script output follows
+  
+  read-only command w/ defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+
+  $ killdaemons.py
+
+web.allow_read=* allows reads for unauthenticated users
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > allow_read = *
+  > EOF
+
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  200 Script output follows
+  
+  read-only command w/ defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+
+  $ killdaemons.py
+
+web.allow_read=* allows read for authenticated user
+
+  $ REMOTE_USER=authed_user hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  200 Script output follows
+  
+  read-only command w/ defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+
+  $ killdaemons.py
+
+web.allow_read=<user> does not allow unauthenticated users to read
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > allow_read = gooduser
+  > EOF
+
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow_read=<user> does not allow user not in list to read
+
+  $ REMOTE_USER=baduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow_read=<user> allows read from user in list
+
+  $ REMOTE_USER=gooduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  200 Script output follows
+  
+  cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b	1
+  publishing	True (no-eol)
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  200 Script output follows
+  
+  read-only command w/ defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+
+  $ killdaemons.py
+
+web.deny_read takes precedence over web.allow_read
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > allow_read = baduser
+  > deny_read = baduser
+  > EOF
+
+  $ REMOTE_USER=baduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow-pull=false denies read access to repo
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > allow-pull = false
+  > EOF
+
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=capabilities'
+  401 pull not authorized
+  
+  0
+  pull not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=listkeys' --requestheader 'x-hgarg-1=namespace=phases'
+  401 pull not authorized
+  
+  0
+  pull not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=listkeys+namespace%3Dphases'
+  401 pull not authorized
+  
+  0
+  pull not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 pull not authorized
+  
+  0
+  pull not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg --cwd ../test2 pull http://localhost:$HGPORT/
+  pulling from http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+Attempting a write command with HTTP GET fails
+
+  $ cat > .hg/hgrc <<EOF
+  > EOF
+
+  $ REQUEST_METHOD=GET hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+  $ hg bookmark -d bm
+  abort: bookmark 'bm' does not exist
+  [255]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ killdaemons.py
+
+Attempting a write command with an unknown HTTP verb fails
+
+  $ REQUEST_METHOD=someverb hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+  $ hg bookmark -d bm
+  abort: bookmark 'bm' does not exist
+  [255]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  405 push requires POST request
+  
+  0
+  push requires POST request
+  [1]
+
+  $ killdaemons.py
+
+Pushing on a plaintext channel is disabled by default
+
+  $ cat > .hg/hgrc <<EOF
+  > EOF
+
+  $ REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  403 ssl required
+  
+  0
+  ssl required
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  403 ssl required
+  
+  0
+  ssl required
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  403 ssl required
+  
+  0
+  ssl required
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  403 ssl required
+  
+  0
+  ssl required
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: HTTP Error 403: ssl required
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: HTTP Error 403: ssl required
+  [255]
+
+  $ killdaemons.py
+
+web.deny_push=* denies pushing to unauthenticated users
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > deny_push = *
+  > EOF
+
+  $ REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_push=* denies pushing to authenticated users
+
+  $ REMOTE_USER=someuser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=someuser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_push=<user> denies pushing to user in list
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > deny_push = baduser
+  > EOF
+
+  $ REMOTE_USER=baduser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=baduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.deny_push=<user> denies pushing to user not in list because allow-push isn't set
+
+  $ REMOTE_USER=gooduser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=gooduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow-push=* allows pushes from unauthenticated users
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > allow-push = *
+  > EOF
+
+  $ REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  200 Script output follows
+  
+  1
+
+  $ hg bookmarks
+     bm                        0:cb9a9f314b8b
+  $ hg book -d bm
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  200 Script output follows
+  
+  write command no defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  200 Script output follows
+  
+  write command w/ defined permissions
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  exporting bookmark bm
+  [1]
+
+  $ hg book -d bm
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 1 changesets with 1 changes to 1 files
+
+  $ hg strip -r 1:
+  saved backup bundle to $TESTTMP/test/.hg/strip-backup/ba677d0156c1-eea704d7-backup.hg
+
+  $ killdaemons.py
+
+web.allow-push=* allows pushes from authenticated users
+
+  $ REMOTE_USER=someuser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  200 Script output follows
+  
+  1
+
+  $ hg bookmarks
+     bm                        0:cb9a9f314b8b
+  $ hg book -d bm
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  200 Script output follows
+  
+  write command no defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  200 Script output follows
+  
+  write command w/ defined permissions
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=someuser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  exporting bookmark bm
+  [1]
+
+  $ hg book -d bm
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 1 changesets with 1 changes to 1 files
+
+  $ hg strip -r 1:
+  saved backup bundle to $TESTTMP/test/.hg/strip-backup/ba677d0156c1-eea704d7-backup.hg
+
+  $ killdaemons.py
+
+web.allow-push=<user> denies push to user not in list
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > allow-push = gooduser
+  > EOF
+
+  $ REMOTE_USER=baduser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=baduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow-push=<user> allows push from user in list
+
+  $ REMOTE_USER=gooduser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  200 Script output follows
+  
+  1
+
+  $ hg bookmarks
+     bm                        0:cb9a9f314b8b
+  $ hg book -d bm
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  200 Script output follows
+  
+  1
+
+  $ hg bookmarks
+     bm                        0:cb9a9f314b8b
+  $ hg book -d bm
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  200 Script output follows
+  
+  write command no defined permissions
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  200 Script output follows
+  
+  write command w/ defined permissions
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=gooduser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  exporting bookmark bm
+  [1]
+
+  $ hg book -d bm
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  remote: adding changesets
+  remote: adding manifests
+  remote: adding file changes
+  remote: added 1 changesets with 1 changes to 1 files
+
+  $ hg strip -r 1:
+  saved backup bundle to $TESTTMP/test/.hg/strip-backup/ba677d0156c1-eea704d7-backup.hg
+
+  $ killdaemons.py
+
+web.deny_push takes precedence over web.allow_push
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > allow-push = someuser
+  > deny_push = someuser
+  > EOF
+
+  $ REMOTE_USER=someuser REQUEST_METHOD=POST hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 push not authorized
+  
+  0
+  push not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=someuser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  no changes found
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  searching for changes
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py
+
+web.allow-push has no effect if web.deny_read is set
+
+  $ cat > .hg/hgrc <<EOF
+  > [web]
+  > push_ssl = false
+  > allow-push = *
+  > deny_read = *
+  > EOF
+
+  $ REQUEST_METHOD=POST REMOTE_USER=someuser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=pushkey' --requestheader 'x-hgarg-1=namespace=bookmarks&key=bm&old=&new=cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=batch' --requestheader 'x-hgarg-1=cmds=pushkey+namespace%3Dbookmarks%2Ckey%3Dbm%2Cold%3D%2Cnew%3Dcb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ hg bookmarks
+  no bookmarks set
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadnoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customreadwithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritenoperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+  $ get-with-headers.py $LOCALIP:$HGPORT '?cmd=customwritewithperm'
+  401 read not authorized
+  
+  0
+  read not authorized
+  [1]
+
+Reset server to remove REQUEST_METHOD hack to test hg client
+
+  $ killdaemons.py
+  $ REMOTE_USER=someuser hg serve -p $HGPORT -d --pid-file hg.pid
+  $ cat hg.pid > $DAEMON_PIDS
+
+  $ hg --cwd ../test2 push -B bm http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ hg --cwd ../test2 push http://localhost:$HGPORT/
+  pushing to http://localhost:$HGPORT/
+  abort: authorization failed
+  [255]
+
+  $ killdaemons.py

tests/test-lfs-bundle.t

@@ -0,0 +1,97 b''
+In this test, we want to test LFS bundle application on both LFS and non-LFS
+repos.
+
+To make it more interesting, the file revisions will contain hg filelog
+metadata ('\1\n'). The bundle will have 1 file revision overlapping with the
+destination repo.
+
+#  rev      1          2         3
+#  repo:    yes        yes       no
+#  bundle:  no (base)  yes       yes (deltabase: 2 if possible)
+
+It is interesting because rev 2 could have been stored as LFS in the repo, and
+non-LFS in the bundle; or vice-versa.
+
+Init
+
+  $ cat >> $HGRCPATH << EOF
+  > [extensions]
+  > lfs=
+  > drawdag=$TESTDIR/drawdag.py
+  > [lfs]
+  > url=file:$TESTTMP/lfs-remote
+  > EOF
+
+Helper functions
+
+  $ commitxy() {
+  > hg debugdrawdag "$@" <<'EOS'
+  >  Y  # Y/X=\1\nAAAA\nE\nF
+  >  |  # Y/Y=\1\nAAAA\nG\nH
+  >  X  # X/X=\1\nAAAA\nC\n
+  >     # X/Y=\1\nAAAA\nD\n
+  > EOS
+  > }
+
+  $ commitz() {
+  > hg debugdrawdag "$@" <<'EOS'
+  >  Z  # Z/X=\1\nAAAA\nI\n
+  >  |  # Z/Y=\1\nAAAA\nJ\n
+  >  |  # Z/Z=\1\nZ
+  >  Y
+  > EOS
+  > }
+
+  $ enablelfs() {
+  >   cat >> .hg/hgrc <<EOF
+  > [lfs]
+  > track=all()
+  > EOF
+  > }
+
+Generate bundles
+
+  $ for i in normal lfs; do
+  >   NAME=src-$i
+  >   hg init $TESTTMP/$NAME
+  >   cd $TESTTMP/$NAME
+  >   [ $i = lfs ] && enablelfs
+  >   commitxy
+  >   commitz
+  >   hg bundle -q --base X -r Y+Z $TESTTMP/$NAME.bundle
+  >   SRCNAMES="$SRCNAMES $NAME"
+  > done
+
+Prepare destination repos
+
+  $ for i in normal lfs; do
+  >   NAME=dst-$i
+  >   hg init $TESTTMP/$NAME
+  >   cd $TESTTMP/$NAME
+  >   [ $i = lfs ] && enablelfs
+  >   commitxy
+  >   DSTNAMES="$DSTNAMES $NAME"
+  > done
+
+Apply bundles
+
+  $ for i in $SRCNAMES; do
+  >   for j in $DSTNAMES; do
+  >     echo ---- Applying $i.bundle to $j ----
+  >     cp -R $TESTTMP/$j $TESTTMP/tmp-$i-$j
+  >     cd $TESTTMP/tmp-$i-$j
+  >     if hg unbundle $TESTTMP/$i.bundle -q 2>/dev/null; then
+  >       hg verify -q && echo OK
+  >     else
+  >       echo CRASHED
+  >     fi
+  >   done
+  > done
+  ---- Applying src-normal.bundle to dst-normal ----
+  OK
+  ---- Applying src-normal.bundle to dst-lfs ----
+  OK
+  ---- Applying src-lfs.bundle to dst-normal ----
+  OK
+  ---- Applying src-lfs.bundle to dst-lfs ----
+  OK

.hgsigs

@@ -1,160 +1,162 b''
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.hgtags

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hgext/largefiles/uisetup.py

@@ -1,205 +1,205 b''
 # Copyright 2009-2010 Gregory P. Ward
 # Copyright 2009-2010 Intelerad Medical Systems Incorporated
 # Copyright 2010-2011 Fog Creek Software
 # Copyright 2010-2011 Unity Technologies
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 '''setup for largefiles extension: uisetup'''
 from __future__ import absolute_import
 
 from mercurial.i18n import _
 
 from mercurial.hgweb import (
-    hgweb_mod,
     webcommands,
 )
 
 from mercurial import (
     archival,
     cmdutil,
     commands,
     copies,
     exchange,
     extensions,
     filemerge,
     hg,
     httppeer,
     merge,
     scmutil,
     sshpeer,
     subrepo,
     upgrade,
     url,
     wireproto,
 )
 
 from . import (
     overrides,
     proto,
 )
 
 def uisetup(ui):
     # Disable auto-status for some commands which assume that all
     # files in the result are under Mercurial's control
 
     entry = extensions.wrapcommand(commands.table, 'add',
                                    overrides.overrideadd)
     addopt = [('', 'large', None, _('add as largefile')),
               ('', 'normal', None, _('add as normal file')),
               ('', 'lfsize', '', _('add all files above this size '
                                    '(in megabytes) as largefiles '
                                    '(default: 10)'))]
     entry[1].extend(addopt)
 
     # The scmutil function is called both by the (trivial) addremove command,
     # and in the process of handling commit -A (issue3542)
     extensions.wrapfunction(scmutil, 'addremove', overrides.scmutiladdremove)
     extensions.wrapfunction(cmdutil, 'add', overrides.cmdutiladd)
     extensions.wrapfunction(cmdutil, 'remove', overrides.cmdutilremove)
     extensions.wrapfunction(cmdutil, 'forget', overrides.cmdutilforget)
 
     extensions.wrapfunction(copies, 'pathcopies', overrides.copiespathcopies)
 
     extensions.wrapfunction(upgrade, 'preservedrequirements',
                             overrides.upgraderequirements)
 
     extensions.wrapfunction(upgrade, 'supporteddestrequirements',
                             overrides.upgraderequirements)
 
     # Subrepos call status function
     entry = extensions.wrapcommand(commands.table, 'status',
                                    overrides.overridestatus)
     extensions.wrapfunction(subrepo.hgsubrepo, 'status',
                             overrides.overridestatusfn)
 
     entry = extensions.wrapcommand(commands.table, 'log',
                                    overrides.overridelog)
     entry = extensions.wrapcommand(commands.table, 'rollback',
                                    overrides.overriderollback)
     entry = extensions.wrapcommand(commands.table, 'verify',
                                    overrides.overrideverify)
 
     verifyopt = [('', 'large', None,
                   _('verify that all largefiles in current revision exists')),
                  ('', 'lfa', None,
                   _('verify largefiles in all revisions, not just current')),
                  ('', 'lfc', None,
                   _('verify local largefile contents, not just existence'))]
     entry[1].extend(verifyopt)
 
     entry = extensions.wrapcommand(commands.table, 'debugstate',
                                    overrides.overridedebugstate)
     debugstateopt = [('', 'large', None, _('display largefiles dirstate'))]
     entry[1].extend(debugstateopt)
 
     outgoing = lambda orgfunc, *arg, **kwargs: orgfunc(*arg, **kwargs)
     entry = extensions.wrapcommand(commands.table, 'outgoing', outgoing)
     outgoingopt = [('', 'large', None, _('display outgoing largefiles'))]
     entry[1].extend(outgoingopt)
     cmdutil.outgoinghooks.add('largefiles', overrides.outgoinghook)
     entry = extensions.wrapcommand(commands.table, 'summary',
                                    overrides.overridesummary)
     summaryopt = [('', 'large', None, _('display outgoing largefiles'))]
     entry[1].extend(summaryopt)
     cmdutil.summaryremotehooks.add('largefiles', overrides.summaryremotehook)
 
     entry = extensions.wrapcommand(commands.table, 'pull',
                                    overrides.overridepull)
     pullopt = [('', 'all-largefiles', None,
                  _('download all pulled versions of largefiles (DEPRECATED)')),
                ('', 'lfrev', [],
                 _('download largefiles for these revisions'), _('REV'))]
     entry[1].extend(pullopt)
 
     entry = extensions.wrapcommand(commands.table, 'push',
                                    overrides.overridepush)
     pushopt = [('', 'lfrev', [],
                 _('upload largefiles for these revisions'), _('REV'))]
     entry[1].extend(pushopt)
     extensions.wrapfunction(exchange, 'pushoperation',
                             overrides.exchangepushoperation)
 
     entry = extensions.wrapcommand(commands.table, 'clone',
                                    overrides.overrideclone)
     cloneopt = [('', 'all-largefiles', None,
                  _('download all versions of all largefiles'))]
     entry[1].extend(cloneopt)
     extensions.wrapfunction(hg, 'clone', overrides.hgclone)
     extensions.wrapfunction(hg, 'postshare', overrides.hgpostshare)
 
     entry = extensions.wrapcommand(commands.table, 'cat',
                                    overrides.overridecat)
     extensions.wrapfunction(merge, '_checkunknownfile',
                             overrides.overridecheckunknownfile)
     extensions.wrapfunction(merge, 'calculateupdates',
                             overrides.overridecalculateupdates)
     extensions.wrapfunction(merge, 'recordupdates',
                             overrides.mergerecordupdates)
     extensions.wrapfunction(merge, 'update', overrides.mergeupdate)
     extensions.wrapfunction(filemerge, '_filemerge',
                             overrides.overridefilemerge)
     extensions.wrapfunction(cmdutil, 'copy', overrides.overridecopy)
 
     # Summary calls dirty on the subrepos
     extensions.wrapfunction(subrepo.hgsubrepo, 'dirty', overrides.overridedirty)
 
     extensions.wrapfunction(cmdutil, 'revert', overrides.overriderevert)
 
     extensions.wrapcommand(commands.table, 'archive',
                            overrides.overridearchivecmd)
     extensions.wrapfunction(archival, 'archive', overrides.overridearchive)
     extensions.wrapfunction(subrepo.hgsubrepo, 'archive',
                             overrides.hgsubrepoarchive)
     extensions.wrapfunction(webcommands, 'archive', overrides.hgwebarchive)
     extensions.wrapfunction(cmdutil, 'bailifchanged',
                             overrides.overridebailifchanged)
 
     extensions.wrapfunction(cmdutil, 'postcommitstatus',
                             overrides.postcommitstatus)
     extensions.wrapfunction(scmutil, 'marktouched',
                             overrides.scmutilmarktouched)
 
     extensions.wrapfunction(url, 'open',
                             overrides.openlargefile)
 
     # create the new wireproto commands ...
     wireproto.wireprotocommand('putlfile', 'sha')(proto.putlfile)
     wireproto.wireprotocommand('getlfile', 'sha')(proto.getlfile)
     wireproto.wireprotocommand('statlfile', 'sha')(proto.statlfile)
     wireproto.wireprotocommand('lheads', '')(wireproto.heads)
 
     # ... and wrap some existing ones
     wireproto.commands['heads'].func = proto.heads
 
     # make putlfile behave the same as push and {get,stat}lfile behave
     # the same as pull w.r.t. permissions checks
-    hgweb_mod.perms['putlfile'] = 'push'
-    hgweb_mod.perms['getlfile'] = 'pull'
-    hgweb_mod.perms['statlfile'] = 'pull'
+    wireproto.permissions['putlfile'] = 'push'
+    wireproto.permissions['getlfile'] = 'pull'
+    wireproto.permissions['statlfile'] = 'pull'
+    wireproto.permissions['lheads'] = 'pull'
 
     extensions.wrapfunction(webcommands, 'decodepath', overrides.decodepath)
 
     extensions.wrapfunction(wireproto, '_capabilities', proto._capabilities)
 
     # can't do this in reposetup because it needs to have happened before
     # wirerepo.__init__ is called
     proto.ssholdcallstream = sshpeer.sshv1peer._callstream
     proto.httpoldcallstream = httppeer.httppeer._callstream
     sshpeer.sshv1peer._callstream = proto.sshrepocallstream
     httppeer.httppeer._callstream = proto.httprepocallstream
 
     # override some extensions' stuff as well
     for name, module in extensions.extensions():
         if name == 'purge':
             extensions.wrapcommand(getattr(module, 'cmdtable'), 'purge',
                 overrides.overridepurge)
         if name == 'rebase':
             extensions.wrapcommand(getattr(module, 'cmdtable'), 'rebase',
                 overrides.overriderebase)
             extensions.wrapfunction(module, 'rebase',
                                     overrides.overriderebase)
         if name == 'transplant':
             extensions.wrapcommand(getattr(module, 'cmdtable'), 'transplant',
                 overrides.overridetransplant)

mercurial/changegroup.py

@@ -1,1005 +1,1010 b''
 # changegroup.py - Mercurial changegroup manipulation functions
 #
 #  Copyright 2006 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from __future__ import absolute_import
 
 import os
 import struct
 import tempfile
 import weakref
 
 from .i18n import _
 from .node import (
     hex,
     nullrev,
     short,
 )
 
 from . import (
     dagutil,
     error,
     mdiff,
     phases,
     pycompat,
     util,
 )
 
 _CHANGEGROUPV1_DELTA_HEADER = "20s20s20s20s"
 _CHANGEGROUPV2_DELTA_HEADER = "20s20s20s20s20s"
 _CHANGEGROUPV3_DELTA_HEADER = ">20s20s20s20s20sH"
 
 # When narrowing is finalized and no longer subject to format changes,
 # we should move this to just "narrow" or similar.
 NARROW_REQUIREMENT = 'narrowhg-experimental'
 
 readexactly = util.readexactly
 
 def getchunk(stream):
     """return the next chunk from stream as a string"""
     d = readexactly(stream, 4)
     l = struct.unpack(">l", d)[0]
     if l <= 4:
         if l:
             raise error.Abort(_("invalid chunk length %d") % l)
         return ""
     return readexactly(stream, l - 4)
 
 def chunkheader(length):
     """return a changegroup chunk header (string)"""
     return struct.pack(">l", length + 4)
 
 def closechunk():
     """return a changegroup chunk header (string) for a zero-length chunk"""
     return struct.pack(">l", 0)
 
 def writechunks(ui, chunks, filename, vfs=None):
     """Write chunks to a file and return its filename.
 
     The stream is assumed to be a bundle file.
     Existing files will not be overwritten.
     If no filename is specified, a temporary file is created.
     """
     fh = None
     cleanup = None
     try:
         if filename:
             if vfs:
                 fh = vfs.open(filename, "wb")
             else:
                 # Increase default buffer size because default is usually
                 # small (4k is common on Linux).
                 fh = open(filename, "wb", 131072)
         else:
             fd, filename = tempfile.mkstemp(prefix="hg-bundle-", suffix=".hg")
             fh = os.fdopen(fd, pycompat.sysstr("wb"))
         cleanup = filename
         for c in chunks:
             fh.write(c)
         cleanup = None
         return filename
     finally:
         if fh is not None:
             fh.close()
         if cleanup is not None:
             if filename and vfs:
                 vfs.unlink(cleanup)
             else:
                 os.unlink(cleanup)
 
 class cg1unpacker(object):
     """Unpacker for cg1 changegroup streams.
 
     A changegroup unpacker handles the framing of the revision data in
     the wire format. Most consumers will want to use the apply()
     method to add the changes from the changegroup to a repository.
 
     If you're forwarding a changegroup unmodified to another consumer,
     use getchunks(), which returns an iterator of changegroup
     chunks. This is mostly useful for cases where you need to know the
     data stream has ended by observing the end of the changegroup.
 
     deltachunk() is useful only if you're applying delta data. Most
     consumers should prefer apply() instead.
 
     A few other public methods exist. Those are used only for
     bundlerepo and some debug commands - their use is discouraged.
     """
     deltaheader = _CHANGEGROUPV1_DELTA_HEADER
     deltaheadersize = struct.calcsize(deltaheader)
     version = '01'
     _grouplistcount = 1 # One list of files after the manifests
 
     def __init__(self, fh, alg, extras=None):
         if alg is None:
             alg = 'UN'
         if alg not in util.compengines.supportedbundletypes:
             raise error.Abort(_('unknown stream compression type: %s')
                              % alg)
         if alg == 'BZ':
             alg = '_truncatedBZ'
 
         compengine = util.compengines.forbundletype(alg)
         self._stream = compengine.decompressorreader(fh)
         self._type = alg
         self.extras = extras or {}
         self.callback = None
 
     # These methods (compressed, read, seek, tell) all appear to only
     # be used by bundlerepo, but it's a little hard to tell.
     def compressed(self):
         return self._type is not None and self._type != 'UN'
     def read(self, l):
         return self._stream.read(l)
     def seek(self, pos):
         return self._stream.seek(pos)
     def tell(self):
         return self._stream.tell()
     def close(self):
         return self._stream.close()
 
     def _chunklength(self):
         d = readexactly(self._stream, 4)
         l = struct.unpack(">l", d)[0]
         if l <= 4:
             if l:
                 raise error.Abort(_("invalid chunk length %d") % l)
             return 0
         if self.callback:
             self.callback()
         return l - 4
 
     def changelogheader(self):
         """v10 does not have a changelog header chunk"""
         return {}
 
     def manifestheader(self):
         """v10 does not have a manifest header chunk"""
         return {}
 
     def filelogheader(self):
         """return the header of the filelogs chunk, v10 only has the filename"""
         l = self._chunklength()
         if not l:
             return {}
         fname = readexactly(self._stream, l)
         return {'filename': fname}
 
     def _deltaheader(self, headertuple, prevnode):
         node, p1, p2, cs = headertuple
         if prevnode is None:
             deltabase = p1
         else:
             deltabase = prevnode
         flags = 0
         return node, p1, p2, deltabase, cs, flags
 
     def deltachunk(self, prevnode):
         l = self._chunklength()
         if not l:
             return {}
         headerdata = readexactly(self._stream, self.deltaheadersize)
         header = struct.unpack(self.deltaheader, headerdata)
         delta = readexactly(self._stream, l - self.deltaheadersize)
         node, p1, p2, deltabase, cs, flags = self._deltaheader(header, prevnode)
         return (node, p1, p2, cs, deltabase, delta, flags)
 
     def getchunks(self):
         """returns all the chunks contains in the bundle
 
         Used when you need to forward the binary stream to a file or another
         network API. To do so, it parse the changegroup data, otherwise it will
         block in case of sshrepo because it don't know the end of the stream.
         """
         # For changegroup 1 and 2, we expect 3 parts: changelog, manifestlog,
         # and a list of filelogs. For changegroup 3, we expect 4 parts:
         # changelog, manifestlog, a list of tree manifestlogs, and a list of
         # filelogs.
         #
         # Changelog and manifestlog parts are terminated with empty chunks. The
         # tree and file parts are a list of entry sections. Each entry section
         # is a series of chunks terminating in an empty chunk. The list of these
         # entry sections is terminated in yet another empty chunk, so we know
         # we've reached the end of the tree/file list when we reach an empty
         # chunk that was proceeded by no non-empty chunks.
 
         parts = 0
         while parts < 2 + self._grouplistcount:
             noentries = True
             while True:
                 chunk = getchunk(self)
                 if not chunk:
                     # The first two empty chunks represent the end of the
                     # changelog and the manifestlog portions. The remaining
                     # empty chunks represent either A) the end of individual
                     # tree or file entries in the file list, or B) the end of
                     # the entire list. It's the end of the entire list if there
                     # were no entries (i.e. noentries is True).
                     if parts < 2:
                         parts += 1
                     elif noentries:
                         parts += 1
                     break
                 noentries = False
                 yield chunkheader(len(chunk))
                 pos = 0
                 while pos < len(chunk):
                     next = pos + 2**20
                     yield chunk[pos:next]
                     pos = next
             yield closechunk()
 
     def _unpackmanifests(self, repo, revmap, trp, prog, numchanges):
         # We know that we'll never have more manifests than we had
         # changesets.
         self.callback = prog(_('manifests'), numchanges)
         # no need to check for empty manifest group here:
         # if the result of the merge of 1 and 2 is the same in 3 and 4,
         # no new manifest will be created and the manifest group will
         # be empty during the pull
         self.manifestheader()
         deltas = self.deltaiter()
         repo.manifestlog._revlog.addgroup(deltas, revmap, trp)
         repo.ui.progress(_('manifests'), None)
         self.callback = None
 
     def apply(self, repo, tr, srctype, url, targetphase=phases.draft,
               expectedtotal=None):
         """Add the changegroup returned by source.read() to this repo.
         srctype is a string like 'push', 'pull', or 'unbundle'.  url is
         the URL of the repo where this changegroup is coming from.
 
         Return an integer summarizing the change to this repo:
         - nothing changed or no source: 0
         - more heads than before: 1+added heads (2..n)
         - fewer heads than before: -1-removed heads (-2..-n)
         - number of heads stays the same: 1
         """
         repo = repo.unfiltered()
         def csmap(x):
             repo.ui.debug("add changeset %s\n" % short(x))
             return len(cl)
 
         def revmap(x):
             return cl.rev(x)
 
         changesets = files = revisions = 0
 
         try:
             # The transaction may already carry source information. In this
             # case we use the top level data. We overwrite the argument
             # because we need to use the top level value (if they exist)
             # in this function.
             srctype = tr.hookargs.setdefault('source', srctype)
             url = tr.hookargs.setdefault('url', url)
             repo.hook('prechangegroup',
                       throw=True, **pycompat.strkwargs(tr.hookargs))
 
             # write changelog data to temp files so concurrent readers
             # will not see an inconsistent view
             cl = repo.changelog
             cl.delayupdate(tr)
             oldheads = set(cl.heads())
 
             trp = weakref.proxy(tr)
             # pull off the changeset group
             repo.ui.status(_("adding changesets\n"))
             clstart = len(cl)
             class prog(object):
                 def __init__(self, step, total):
                     self._step = step
                     self._total = total
                     self._count = 1
                 def __call__(self):
                     repo.ui.progress(self._step, self._count, unit=_('chunks'),
                                      total=self._total)
                     self._count += 1
             self.callback = prog(_('changesets'), expectedtotal)
 
             efiles = set()
             def onchangelog(cl, node):
                 efiles.update(cl.readfiles(node))
 
             self.changelogheader()
             deltas = self.deltaiter()
             cgnodes = cl.addgroup(deltas, csmap, trp, addrevisioncb=onchangelog)
             efiles = len(efiles)
 
             if not cgnodes:
                 repo.ui.develwarn('applied empty changegroup',
                                   config='warn-empty-changegroup')
             clend = len(cl)
             changesets = clend - clstart
             repo.ui.progress(_('changesets'), None)
             self.callback = None
 
             # pull off the manifest group
             repo.ui.status(_("adding manifests\n"))
             self._unpackmanifests(repo, revmap, trp, prog, changesets)
 
             needfiles = {}
             if repo.ui.configbool('server', 'validate'):
                 cl = repo.changelog
                 ml = repo.manifestlog
                 # validate incoming csets have their manifests
                 for cset in xrange(clstart, clend):
                     mfnode = cl.changelogrevision(cset).manifest
                     mfest = ml[mfnode].readdelta()
                     # store file cgnodes we must see
                     for f, n in mfest.iteritems():
                         needfiles.setdefault(f, set()).add(n)
 
             # process the files
             repo.ui.status(_("adding file changes\n"))
             newrevs, newfiles = _addchangegroupfiles(
                 repo, self, revmap, trp, efiles, needfiles)
             revisions += newrevs
             files += newfiles
 
             deltaheads = 0
             if oldheads:
                 heads = cl.heads()
                 deltaheads = len(heads) - len(oldheads)
                 for h in heads:
                     if h not in oldheads and repo[h].closesbranch():
                         deltaheads -= 1
             htext = ""
             if deltaheads:
                 htext = _(" (%+d heads)") % deltaheads
 
             repo.ui.status(_("added %d changesets"
                              " with %d changes to %d files%s\n")
                              % (changesets, revisions, files, htext))
             repo.invalidatevolatilesets()
 
             if changesets > 0:
                 if 'node' not in tr.hookargs:
                     tr.hookargs['node'] = hex(cl.node(clstart))
                     tr.hookargs['node_last'] = hex(cl.node(clend - 1))
                     hookargs = dict(tr.hookargs)
                 else:
                     hookargs = dict(tr.hookargs)
                     hookargs['node'] = hex(cl.node(clstart))
                     hookargs['node_last'] = hex(cl.node(clend - 1))
                 repo.hook('pretxnchangegroup',
                           throw=True, **pycompat.strkwargs(hookargs))
 
             added = [cl.node(r) for r in xrange(clstart, clend)]
             phaseall = None
             if srctype in ('push', 'serve'):
                 # Old servers can not push the boundary themselves.
                 # New servers won't push the boundary if changeset already
                 # exists locally as secret
                 #
                 # We should not use added here but the list of all change in
                 # the bundle
                 if repo.publishing():
                     targetphase = phaseall = phases.public
                 else:
                     # closer target phase computation
 
                     # Those changesets have been pushed from the
                     # outside, their phases are going to be pushed
                     # alongside. Therefor `targetphase` is
                     # ignored.
                     targetphase = phaseall = phases.draft
             if added:
                 phases.registernew(repo, tr, targetphase, added)
             if phaseall is not None:
                 phases.advanceboundary(repo, tr, phaseall, cgnodes)
 
             if changesets > 0:
 
                 def runhooks():
                     # These hooks run when the lock releases, not when the
                     # transaction closes. So it's possible for the changelog
                     # to have changed since we last saw it.
                     if clstart >= len(repo):
                         return
 
                     repo.hook("changegroup", **pycompat.strkwargs(hookargs))
 
                     for n in added:
                         args = hookargs.copy()
                         args['node'] = hex(n)
                         del args['node_last']
                         repo.hook("incoming", **pycompat.strkwargs(args))
 
                     newheads = [h for h in repo.heads()
                                 if h not in oldheads]
                     repo.ui.log("incoming",
                                 "%d incoming changes - new heads: %s\n",
                                 len(added),
                                 ', '.join([hex(c[:6]) for c in newheads]))
 
                 tr.addpostclose('changegroup-runhooks-%020i' % clstart,
                                 lambda tr: repo._afterlock(runhooks))
         finally:
             repo.ui.flush()
         # never return 0 here:
         if deltaheads < 0:
             ret = deltaheads - 1
         else:
             ret = deltaheads + 1
         return ret
 
     def deltaiter(self):
         """
         returns an iterator of the deltas in this changegroup
 
         Useful for passing to the underlying storage system to be stored.
         """
         chain = None
         for chunkdata in iter(lambda: self.deltachunk(chain), {}):
             # Chunkdata: (node, p1, p2, cs, deltabase, delta, flags)
             yield chunkdata
             chain = chunkdata[0]
 
 class cg2unpacker(cg1unpacker):
     """Unpacker for cg2 streams.
 
     cg2 streams add support for generaldelta, so the delta header
     format is slightly different. All other features about the data
     remain the same.
     """
     deltaheader = _CHANGEGROUPV2_DELTA_HEADER
     deltaheadersize = struct.calcsize(deltaheader)
     version = '02'
 
     def _deltaheader(self, headertuple, prevnode):
         node, p1, p2, deltabase, cs = headertuple
         flags = 0
         return node, p1, p2, deltabase, cs, flags
 
 class cg3unpacker(cg2unpacker):
     """Unpacker for cg3 streams.
 
     cg3 streams add support for exchanging treemanifests and revlog
     flags. It adds the revlog flags to the delta header and an empty chunk
     separating manifests and files.
     """
     deltaheader = _CHANGEGROUPV3_DELTA_HEADER
     deltaheadersize = struct.calcsize(deltaheader)
     version = '03'
     _grouplistcount = 2 # One list of manifests and one list of files
 
     def _deltaheader(self, headertuple, prevnode):
         node, p1, p2, deltabase, cs, flags = headertuple
         return node, p1, p2, deltabase, cs, flags
 
     def _unpackmanifests(self, repo, revmap, trp, prog, numchanges):
         super(cg3unpacker, self)._unpackmanifests(repo, revmap, trp, prog,
                                                   numchanges)
         for chunkdata in iter(self.filelogheader, {}):
             # If we get here, there are directory manifests in the changegroup
             d = chunkdata["filename"]
             repo.ui.debug("adding %s revisions\n" % d)
             dirlog = repo.manifestlog._revlog.dirlog(d)
             deltas = self.deltaiter()
             if not dirlog.addgroup(deltas, revmap, trp):
                 raise error.Abort(_("received dir revlog group is empty"))
 
 class headerlessfixup(object):
     def __init__(self, fh, h):
         self._h = h
         self._fh = fh
     def read(self, n):
         if self._h:
             d, self._h = self._h[:n], self._h[n:]
             if len(d) < n:
                 d += readexactly(self._fh, n - len(d))
             return d
         return readexactly(self._fh, n)
 
 class cg1packer(object):
     deltaheader = _CHANGEGROUPV1_DELTA_HEADER
     version = '01'
     def __init__(self, repo, bundlecaps=None):
         """Given a source repo, construct a bundler.
 
         bundlecaps is optional and can be used to specify the set of
         capabilities which can be used to build the bundle. While bundlecaps is
         unused in core Mercurial, extensions rely on this feature to communicate
         capabilities to customize the changegroup packer.
         """
         # Set of capabilities we can use to build the bundle.
         if bundlecaps is None:
             bundlecaps = set()
         self._bundlecaps = bundlecaps
         # experimental config: bundle.reorder
         reorder = repo.ui.config('bundle', 'reorder')
         if reorder == 'auto':
             reorder = None
         else:
             reorder = util.parsebool(reorder)
         self._repo = repo
         self._reorder = reorder
         self._progress = repo.ui.progress
         if self._repo.ui.verbose and not self._repo.ui.debugflag:
             self._verbosenote = self._repo.ui.note
         else:
             self._verbosenote = lambda s: None
 
     def close(self):
         return closechunk()
 
     def fileheader(self, fname):
         return chunkheader(len(fname)) + fname
 
     # Extracted both for clarity and for overriding in extensions.
     def _sortgroup(self, revlog, nodelist, lookup):
         """Sort nodes for change group and turn them into revnums."""
         # for generaldelta revlogs, we linearize the revs; this will both be
         # much quicker and generate a much smaller bundle
         if (revlog._generaldelta and self._reorder is None) or self._reorder:
             dag = dagutil.revlogdag(revlog)
             return dag.linearize(set(revlog.rev(n) for n in nodelist))
         else:
             return sorted([revlog.rev(n) for n in nodelist])
 
     def group(self, nodelist, revlog, lookup, units=None):
         """Calculate a delta group, yielding a sequence of changegroup chunks
         (strings).
 
         Given a list of changeset revs, return a set of deltas and
         metadata corresponding to nodes. The first delta is
         first parent(nodelist[0]) -> nodelist[0], the receiver is
         guaranteed to have this parent as it has all history before
         these changesets. In the case firstparent is nullrev the
         changegroup starts with a full revision.
 
         If units is not None, progress detail will be generated, units specifies
         the type of revlog that is touched (changelog, manifest, etc.).
         """
         # if we don't have any revisions touched by these changesets, bail
         if len(nodelist) == 0:
             yield self.close()
             return
 
         revs = self._sortgroup(revlog, nodelist, lookup)
 
         # add the parent of the first rev
         p = revlog.parentrevs(revs[0])[0]
         revs.insert(0, p)
 
         # build deltas
         total = len(revs) - 1
         msgbundling = _('bundling')
         for r in xrange(len(revs) - 1):
             if units is not None:
                 self._progress(msgbundling, r + 1, unit=units, total=total)
             prev, curr = revs[r], revs[r + 1]
             linknode = lookup(revlog.node(curr))
             for c in self.revchunk(revlog, curr, prev, linknode):
                 yield c
 
         if units is not None:
             self._progress(msgbundling, None)
         yield self.close()
 
     # filter any nodes that claim to be part of the known set
     def prune(self, revlog, missing, commonrevs):
         rr, rl = revlog.rev, revlog.linkrev
         return [n for n in missing if rl(rr(n)) not in commonrevs]
 
     def _packmanifests(self, dir, mfnodes, lookuplinknode):
         """Pack flat manifests into a changegroup stream."""
         assert not dir
         for chunk in self.group(mfnodes, self._repo.manifestlog._revlog,
                                 lookuplinknode, units=_('manifests')):
             yield chunk
 
     def _manifestsdone(self):
         return ''
 
     def generate(self, commonrevs, clnodes, fastpathlinkrev, source):
         '''yield a sequence of changegroup chunks (strings)'''
         repo = self._repo
         cl = repo.changelog
 
         clrevorder = {}
         mfs = {} # needed manifests
         fnodes = {} # needed file nodes
         changedfiles = set()
 
         # Callback for the changelog, used to collect changed files and manifest
         # nodes.
         # Returns the linkrev node (identity in the changelog case).
         def lookupcl(x):
             c = cl.read(x)
             clrevorder[x] = len(clrevorder)
             n = c[0]
             # record the first changeset introducing this manifest version
             mfs.setdefault(n, x)
             # Record a complete list of potentially-changed files in
             # this manifest.
             changedfiles.update(c[3])
             return x
 
         self._verbosenote(_('uncompressed size of bundle content:\n'))
         size = 0
         for chunk in self.group(clnodes, cl, lookupcl, units=_('changesets')):
             size += len(chunk)
             yield chunk
         self._verbosenote(_('%8.i (changelog)\n') % size)
 
         # We need to make sure that the linkrev in the changegroup refers to
         # the first changeset that introduced the manifest or file revision.
         # The fastpath is usually safer than the slowpath, because the filelogs
         # are walked in revlog order.
         #
         # When taking the slowpath with reorder=None and the manifest revlog
         # uses generaldelta, the manifest may be walked in the "wrong" order.
         # Without 'clrevorder', we would get an incorrect linkrev (see fix in
         # cc0ff93d0c0c).
         #
         # When taking the fastpath, we are only vulnerable to reordering
         # of the changelog itself. The changelog never uses generaldelta, so
         # it is only reordered when reorder=True. To handle this case, we
         # simply take the slowpath, which already has the 'clrevorder' logic.
         # This was also fixed in cc0ff93d0c0c.
         fastpathlinkrev = fastpathlinkrev and not self._reorder
         # Treemanifests don't work correctly with fastpathlinkrev
         # either, because we don't discover which directory nodes to
         # send along with files. This could probably be fixed.
         fastpathlinkrev = fastpathlinkrev and (
             'treemanifest' not in repo.requirements)
 
         for chunk in self.generatemanifests(commonrevs, clrevorder,
                 fastpathlinkrev, mfs, fnodes, source):
             yield chunk
         mfs.clear()
         clrevs = set(cl.rev(x) for x in clnodes)
 
         if not fastpathlinkrev:
             def linknodes(unused, fname):
                 return fnodes.get(fname, {})
         else:
             cln = cl.node
             def linknodes(filerevlog, fname):
                 llr = filerevlog.linkrev
                 fln = filerevlog.node
                 revs = ((r, llr(r)) for r in filerevlog)
                 return dict((fln(r), cln(lr)) for r, lr in revs if lr in clrevs)
 
         for chunk in self.generatefiles(changedfiles, linknodes, commonrevs,
                                         source):
             yield chunk
 
         yield self.close()
 
         if clnodes:
             repo.hook('outgoing', node=hex(clnodes[0]), source=source)
 
     def generatemanifests(self, commonrevs, clrevorder, fastpathlinkrev, mfs,
                           fnodes, source):
         """Returns an iterator of changegroup chunks containing manifests.
 
         `source` is unused here, but is used by extensions like remotefilelog to
         change what is sent based in pulls vs pushes, etc.
         """
         repo = self._repo
         mfl = repo.manifestlog
         dirlog = mfl._revlog.dirlog
         tmfnodes = {'': mfs}
 
         # Callback for the manifest, used to collect linkrevs for filelog
         # revisions.
         # Returns the linkrev node (collected in lookupcl).
         def makelookupmflinknode(dir, nodes):
             if fastpathlinkrev:
                 assert not dir
                 return mfs.__getitem__
 
             def lookupmflinknode(x):
                 """Callback for looking up the linknode for manifests.
 
                 Returns the linkrev node for the specified manifest.
 
                 SIDE EFFECT:
 
                 1) fclnodes gets populated with the list of relevant
                    file nodes if we're not using fastpathlinkrev
                 2) When treemanifests are in use, collects treemanifest nodes
                    to send
 
                 Note that this means manifests must be completely sent to
                 the client before you can trust the list of files and
                 treemanifests to send.
                 """
                 clnode = nodes[x]
                 mdata = mfl.get(dir, x).readfast(shallow=True)
                 for p, n, fl in mdata.iterentries():
                     if fl == 't': # subdirectory manifest
                         subdir = dir + p + '/'
                         tmfclnodes = tmfnodes.setdefault(subdir, {})
                         tmfclnode = tmfclnodes.setdefault(n, clnode)
                         if clrevorder[clnode] < clrevorder[tmfclnode]:
                             tmfclnodes[n] = clnode
                     else:
                         f = dir + p
                         fclnodes = fnodes.setdefault(f, {})
                         fclnode = fclnodes.setdefault(n, clnode)
                         if clrevorder[clnode] < clrevorder[fclnode]:
                             fclnodes[n] = clnode
                 return clnode
             return lookupmflinknode
 
         size = 0
         while tmfnodes:
             dir, nodes = tmfnodes.popitem()
             prunednodes = self.prune(dirlog(dir), nodes, commonrevs)
             if not dir or prunednodes:
                 for x in self._packmanifests(dir, prunednodes,
                                              makelookupmflinknode(dir, nodes)):
                     size += len(x)
                     yield x
         self._verbosenote(_('%8.i (manifests)\n') % size)
         yield self._manifestsdone()
 
     # The 'source' parameter is useful for extensions
     def generatefiles(self, changedfiles, linknodes, commonrevs, source):
         repo = self._repo
         progress = self._progress
         msgbundling = _('bundling')
 
         total = len(changedfiles)
         # for progress output
         msgfiles = _('files')
         for i, fname in enumerate(sorted(changedfiles)):
             filerevlog = repo.file(fname)
             if not filerevlog:
                 raise error.Abort(_("empty or missing revlog for %s") % fname)
 
             linkrevnodes = linknodes(filerevlog, fname)
             # Lookup for filenodes, we collected the linkrev nodes above in the
             # fastpath case and with lookupmf in the slowpath case.
             def lookupfilelog(x):
                 return linkrevnodes[x]
 
             filenodes = self.prune(filerevlog, linkrevnodes, commonrevs)
             if filenodes:
                 progress(msgbundling, i + 1, item=fname, unit=msgfiles,
                          total=total)
                 h = self.fileheader(fname)
                 size = len(h)
                 yield h
                 for chunk in self.group(filenodes, filerevlog, lookupfilelog):
                     size += len(chunk)
                     yield chunk
                 self._verbosenote(_('%8.i  %s\n') % (size, fname))
         progress(msgbundling, None)
 
     def deltaparent(self, revlog, rev, p1, p2, prev):
+        if not revlog.candelta(prev, rev):
+            raise error.ProgrammingError('cg1 should not be used in this case')
         return prev
 
     def revchunk(self, revlog, rev, prev, linknode):
         node = revlog.node(rev)
         p1, p2 = revlog.parentrevs(rev)
         base = self.deltaparent(revlog, rev, p1, p2, prev)
 
         prefix = ''
         if revlog.iscensored(base) or revlog.iscensored(rev):
             try:
                 delta = revlog.revision(node, raw=True)
             except error.CensoredNodeError as e:
                 delta = e.tombstone
             if base == nullrev:
                 prefix = mdiff.trivialdiffheader(len(delta))
             else:
                 baselen = revlog.rawsize(base)
                 prefix = mdiff.replacediffheader(baselen, len(delta))
         elif base == nullrev:
             delta = revlog.revision(node, raw=True)
             prefix = mdiff.trivialdiffheader(len(delta))
         else:
             delta = revlog.revdiff(base, rev)
         p1n, p2n = revlog.parents(node)
         basenode = revlog.node(base)
         flags = revlog.flags(rev)
         meta = self.builddeltaheader(node, p1n, p2n, basenode, linknode, flags)
         meta += prefix
         l = len(meta) + len(delta)
         yield chunkheader(l)
         yield meta
         yield delta
     def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
         # do nothing with basenode, it is implicitly the previous one in HG10
         # do nothing with flags, it is implicitly 0 for cg1 and cg2
         return struct.pack(self.deltaheader, node, p1n, p2n, linknode)
 
 class cg2packer(cg1packer):
     version = '02'
     deltaheader = _CHANGEGROUPV2_DELTA_HEADER
 
     def __init__(self, repo, bundlecaps=None):
         super(cg2packer, self).__init__(repo, bundlecaps)
         if self._reorder is None:
             # Since generaldelta is directly supported by cg2, reordering
             # generally doesn't help, so we disable it by default (treating
             # bundle.reorder=auto just like bundle.reorder=False).
             self._reorder = False
 
     def deltaparent(self, revlog, rev, p1, p2, prev):
         dp = revlog.deltaparent(rev)
         if dp == nullrev and revlog.storedeltachains:
             # Avoid sending full revisions when delta parent is null. Pick prev
             # in that case. It's tempting to pick p1 in this case, as p1 will
             # be smaller in the common case. However, computing a delta against
             # p1 may require resolving the raw text of p1, which could be
             # expensive. The revlog caches should have prev cached, meaning
             # less CPU for changegroup generation. There is likely room to add
             # a flag and/or config option to control this behavior.
-            return prev
+            base = prev
         elif dp == nullrev:
             # revlog is configured to use full snapshot for a reason,
             # stick to full snapshot.
-            return nullrev
+            base = nullrev
         elif dp not in (p1, p2, prev):
             # Pick prev when we can't be sure remote has the base revision.
             return prev
         else:
-            return dp
+            base = dp
+        if base != nullrev and not revlog.candelta(base, rev):
+            base = nullrev
+        return base
 
     def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
         # Do nothing with flags, it is implicitly 0 in cg1 and cg2
         return struct.pack(self.deltaheader, node, p1n, p2n, basenode, linknode)
 
 class cg3packer(cg2packer):
     version = '03'
     deltaheader = _CHANGEGROUPV3_DELTA_HEADER
 
     def _packmanifests(self, dir, mfnodes, lookuplinknode):
         if dir:
             yield self.fileheader(dir)
 
         dirlog = self._repo.manifestlog._revlog.dirlog(dir)
         for chunk in self.group(mfnodes, dirlog, lookuplinknode,
                                 units=_('manifests')):
             yield chunk
 
     def _manifestsdone(self):
         return self.close()
 
     def builddeltaheader(self, node, p1n, p2n, basenode, linknode, flags):
         return struct.pack(
             self.deltaheader, node, p1n, p2n, basenode, linknode, flags)
 
 _packermap = {'01': (cg1packer, cg1unpacker),
              # cg2 adds support for exchanging generaldelta
              '02': (cg2packer, cg2unpacker),
              # cg3 adds support for exchanging revlog flags and treemanifests
              '03': (cg3packer, cg3unpacker),
 }
 
 def allsupportedversions(repo):
     versions = set(_packermap.keys())
     if not (repo.ui.configbool('experimental', 'changegroup3') or
             repo.ui.configbool('experimental', 'treemanifest') or
             'treemanifest' in repo.requirements):
         versions.discard('03')
     return versions
 
 # Changegroup versions that can be applied to the repo
 def supportedincomingversions(repo):
     return allsupportedversions(repo)
 
 # Changegroup versions that can be created from the repo
 def supportedoutgoingversions(repo):
     versions = allsupportedversions(repo)
     if 'treemanifest' in repo.requirements:
         # Versions 01 and 02 support only flat manifests and it's just too
         # expensive to convert between the flat manifest and tree manifest on
         # the fly. Since tree manifests are hashed differently, all of history
         # would have to be converted. Instead, we simply don't even pretend to
         # support versions 01 and 02.
         versions.discard('01')
         versions.discard('02')
     if NARROW_REQUIREMENT in repo.requirements:
         # Versions 01 and 02 don't support revlog flags, and we need to
         # support that for stripping and unbundling to work.
         versions.discard('01')
         versions.discard('02')
     return versions
 
 def localversion(repo):
     # Finds the best version to use for bundles that are meant to be used
     # locally, such as those from strip and shelve, and temporary bundles.
     return max(supportedoutgoingversions(repo))
 
 def safeversion(repo):
     # Finds the smallest version that it's safe to assume clients of the repo
     # will support. For example, all hg versions that support generaldelta also
     # support changegroup 02.
     versions = supportedoutgoingversions(repo)
     if 'generaldelta' in repo.requirements:
         versions.discard('01')
     assert versions
     return min(versions)
 
 def getbundler(version, repo, bundlecaps=None):
     assert version in supportedoutgoingversions(repo)
     return _packermap[version][0](repo, bundlecaps)
 
 def getunbundler(version, fh, alg, extras=None):
     return _packermap[version][1](fh, alg, extras=extras)
 
 def _changegroupinfo(repo, nodes, source):
     if repo.ui.verbose or source == 'bundle':
         repo.ui.status(_("%d changesets found\n") % len(nodes))
     if repo.ui.debugflag:
         repo.ui.debug("list of changesets:\n")
         for node in nodes:
             repo.ui.debug("%s\n" % hex(node))
 
 def makechangegroup(repo, outgoing, version, source, fastpath=False,
                     bundlecaps=None):
     cgstream = makestream(repo, outgoing, version, source,
                           fastpath=fastpath, bundlecaps=bundlecaps)
     return getunbundler(version, util.chunkbuffer(cgstream), None,
                         {'clcount': len(outgoing.missing) })
 
 def makestream(repo, outgoing, version, source, fastpath=False,
                bundlecaps=None):
     bundler = getbundler(version, repo, bundlecaps=bundlecaps)
 
     repo = repo.unfiltered()
     commonrevs = outgoing.common
     csets = outgoing.missing
     heads = outgoing.missingheads
     # We go through the fast path if we get told to, or if all (unfiltered
     # heads have been requested (since we then know there all linkrevs will
     # be pulled by the client).
     heads.sort()
     fastpathlinkrev = fastpath or (
             repo.filtername is None and heads == sorted(repo.heads()))
 
     repo.hook('preoutgoing', throw=True, source=source)
     _changegroupinfo(repo, csets, source)
     return bundler.generate(commonrevs, csets, fastpathlinkrev, source)
 
 def _addchangegroupfiles(repo, source, revmap, trp, expectedfiles, needfiles):
     revisions = 0
     files = 0
     for chunkdata in iter(source.filelogheader, {}):
         files += 1
         f = chunkdata["filename"]
         repo.ui.debug("adding %s revisions\n" % f)
         repo.ui.progress(_('files'), files, unit=_('files'),
                          total=expectedfiles)
         fl = repo.file(f)
         o = len(fl)
         try:
             deltas = source.deltaiter()
             if not fl.addgroup(deltas, revmap, trp):
                 raise error.Abort(_("received file revlog group is empty"))
         except error.CensoredBaseError as e:
             raise error.Abort(_("received delta base is censored: %s") % e)
         revisions += len(fl) - o
         if f in needfiles:
             needs = needfiles[f]
             for new in xrange(o, len(fl)):
                 n = fl.node(new)
                 if n in needs:
                     needs.remove(n)
                 else:
                     raise error.Abort(
                         _("received spurious file revlog entry"))
             if not needs:
                 del needfiles[f]
     repo.ui.progress(_('files'), None)
 
     for f, needs in needfiles.iteritems():
         fl = repo.file(f)
         for n in needs:
             try:
                 fl.rev(n)
             except error.LookupError:
                 raise error.Abort(
                     _('missing file data for %s:%s - run hg verify') %
                     (f, hex(n)))
 
     return revisions, files

mercurial/hgweb/hgweb_mod.py

@@ -1,484 +1,486 b''
 # hgweb/hgweb_mod.py - Web interface for a repository.
 #
 # Copyright 21 May 2005 - (c) 2005 Jake Edge <[e-mail]>
 # Copyright 2005-2007 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from __future__ import absolute_import
 
 import contextlib
 import os
 
 from .common import (
     ErrorResponse,
     HTTP_BAD_REQUEST,
     HTTP_NOT_FOUND,
     HTTP_NOT_MODIFIED,
     HTTP_OK,
     HTTP_SERVER_ERROR,
     caching,
     cspvalues,
     permhooks,
 )
 from .request import wsgirequest
 
 from .. import (
     encoding,
     error,
     formatter,
     hg,
     hook,
     profiling,
     pycompat,
     repoview,
     templatefilters,
     templater,
     ui as uimod,
     util,
+    wireproto,
     wireprotoserver,
 )
 
 from . import (
     webcommands,
     webutil,
     wsgicgi,
 )
 
-perms = {
-    'changegroup': 'pull',
-    'changegroupsubset': 'pull',
-    'getbundle': 'pull',
-    'stream_out': 'pull',
-    'listkeys': 'pull',
-    'unbundle': 'push',
-    'pushkey': 'push',
-}
+# Aliased for API compatibility.
+perms = wireproto.permissions
 
 archivespecs = util.sortdict((
     ('zip', ('application/zip', 'zip', '.zip', None)),
     ('gz', ('application/x-gzip', 'tgz', '.tar.gz', None)),
     ('bz2', ('application/x-bzip2', 'tbz2', '.tar.bz2', None)),
 ))
 
 def getstyle(req, configfn, templatepath):
     fromreq = req.form.get('style', [None])[0]
     styles = (
         fromreq,
         configfn('web', 'style'),
         'paper',
     )
     return styles, templater.stylemap(styles, templatepath)
 
 def makebreadcrumb(url, prefix=''):
     '''Return a 'URL breadcrumb' list
 
     A 'URL breadcrumb' is a list of URL-name pairs,
     corresponding to each of the path items on a URL.
     This can be used to create path navigation entries.
     '''
     if url.endswith('/'):
         url = url[:-1]
     if prefix:
         url = '/' + prefix + url
     relpath = url
     if relpath.startswith('/'):
         relpath = relpath[1:]
 
     breadcrumb = []
     urlel = url
     pathitems = [''] + relpath.split('/')
     for pathel in reversed(pathitems):
         if not pathel or not urlel:
             break
         breadcrumb.append({'url': urlel, 'name': pathel})
         urlel = os.path.dirname(urlel)
     return reversed(breadcrumb)
 
 class requestcontext(object):
     """Holds state/context for an individual request.
 
     Servers can be multi-threaded. Holding state on the WSGI application
     is prone to race conditions. Instances of this class exist to hold
     mutable and race-free state for requests.
     """
     def __init__(self, app, repo):
         self.repo = repo
         self.reponame = app.reponame
 
         self.archivespecs = archivespecs
 
         self.maxchanges = self.configint('web', 'maxchanges')
         self.stripecount = self.configint('web', 'stripes')
         self.maxshortchanges = self.configint('web', 'maxshortchanges')
         self.maxfiles = self.configint('web', 'maxfiles')
         self.allowpull = self.configbool('web', 'allow-pull')
 
         # we use untrusted=False to prevent a repo owner from using
         # web.templates in .hg/hgrc to get access to any file readable
         # by the user running the CGI script
         self.templatepath = self.config('web', 'templates', untrusted=False)
 
         # This object is more expensive to build than simple config values.
         # It is shared across requests. The app will replace the object
         # if it is updated. Since this is a reference and nothing should
         # modify the underlying object, it should be constant for the lifetime
         # of the request.
         self.websubtable = app.websubtable
 
         self.csp, self.nonce = cspvalues(self.repo.ui)
 
     # Trust the settings from the .hg/hgrc files by default.
     def config(self, section, name, default=uimod._unset, untrusted=True):
         return self.repo.ui.config(section, name, default,
                                    untrusted=untrusted)
 
     def configbool(self, section, name, default=uimod._unset, untrusted=True):
         return self.repo.ui.configbool(section, name, default,
                                        untrusted=untrusted)
 
     def configint(self, section, name, default=uimod._unset, untrusted=True):
         return self.repo.ui.configint(section, name, default,
                                       untrusted=untrusted)
 
     def configlist(self, section, name, default=uimod._unset, untrusted=True):
         return self.repo.ui.configlist(section, name, default,
                                        untrusted=untrusted)
 
     def archivelist(self, nodeid):
         allowed = self.configlist('web', 'allow_archive')
         for typ, spec in self.archivespecs.iteritems():
             if typ in allowed or self.configbool('web', 'allow%s' % typ):
                 yield {'type': typ, 'extension': spec[2], 'node': nodeid}
 
     def templater(self, req):
         # determine scheme, port and server name
         # this is needed to create absolute urls
 
         proto = req.env.get('wsgi.url_scheme')
         if proto == 'https':
             proto = 'https'
             default_port = '443'
         else:
             proto = 'http'
             default_port = '80'
 
         port = req.env[r'SERVER_PORT']
         port = port != default_port and (r':' + port) or r''
         urlbase = r'%s://%s%s' % (proto, req.env[r'SERVER_NAME'], port)
         logourl = self.config('web', 'logourl')
         logoimg = self.config('web', 'logoimg')
         staticurl = self.config('web', 'staticurl') or req.url + 'static/'
         if not staticurl.endswith('/'):
             staticurl += '/'
 
         # some functions for the templater
 
         def motd(**map):
             yield self.config('web', 'motd')
 
         # figure out which style to use
 
         vars = {}
         styles, (style, mapfile) = getstyle(req, self.config,
                                             self.templatepath)
         if style == styles[0]:
             vars['style'] = style
 
         start = '&' if req.url[-1] == r'?' else '?'
         sessionvars = webutil.sessionvars(vars, start)
 
         if not self.reponame:
             self.reponame = (self.config('web', 'name', '')
                              or req.env.get('REPO_NAME')
                              or req.url.strip('/') or self.repo.root)
 
         def websubfilter(text):
             return templatefilters.websub(text, self.websubtable)
 
         # create the templater
         # TODO: export all keywords: defaults = templatekw.keywords.copy()
         defaults = {
             'url': req.url,
             'logourl': logourl,
             'logoimg': logoimg,
             'staticurl': staticurl,
             'urlbase': urlbase,
             'repo': self.reponame,
             'encoding': encoding.encoding,
             'motd': motd,
             'sessionvars': sessionvars,
             'pathdef': makebreadcrumb(req.url),
             'style': style,
             'nonce': self.nonce,
         }
         tres = formatter.templateresources(self.repo.ui, self.repo)
         tmpl = templater.templater.frommapfile(mapfile,
                                                filters={'websub': websubfilter},
                                                defaults=defaults,
                                                resources=tres)
         return tmpl
 
 
 class hgweb(object):
     """HTTP server for individual repositories.
 
     Instances of this class serve HTTP responses for a particular
     repository.
 
     Instances are typically used as WSGI applications.
 
     Some servers are multi-threaded. On these servers, there may
     be multiple active threads inside __call__.
     """
     def __init__(self, repo, name=None, baseui=None):
         if isinstance(repo, str):
             if baseui:
                 u = baseui.copy()
             else:
                 u = uimod.ui.load()
             r = hg.repository(u, repo)
         else:
             # we trust caller to give us a private copy
             r = repo
 
         r.ui.setconfig('ui', 'report_untrusted', 'off', 'hgweb')
         r.baseui.setconfig('ui', 'report_untrusted', 'off', 'hgweb')
         r.ui.setconfig('ui', 'nontty', 'true', 'hgweb')
         r.baseui.setconfig('ui', 'nontty', 'true', 'hgweb')
         # resolve file patterns relative to repo root
         r.ui.setconfig('ui', 'forcecwd', r.root, 'hgweb')
         r.baseui.setconfig('ui', 'forcecwd', r.root, 'hgweb')
         # displaying bundling progress bar while serving feel wrong and may
         # break some wsgi implementation.
         r.ui.setconfig('progress', 'disable', 'true', 'hgweb')
         r.baseui.setconfig('progress', 'disable', 'true', 'hgweb')
         self._repos = [hg.cachedlocalrepo(self._webifyrepo(r))]
         self._lastrepo = self._repos[0]
         hook.redirect(True)
         self.reponame = name
 
     def _webifyrepo(self, repo):
         repo = getwebview(repo)
         self.websubtable = webutil.getwebsubs(repo)
         return repo
 
     @contextlib.contextmanager
     def _obtainrepo(self):
         """Obtain a repo unique to the caller.
 
         Internally we maintain a stack of cachedlocalrepo instances
         to be handed out. If one is available, we pop it and return it,
         ensuring it is up to date in the process. If one is not available,
         we clone the most recently used repo instance and return it.
 
         It is currently possible for the stack to grow without bounds
         if the server allows infinite threads. However, servers should
         have a thread limit, thus establishing our limit.
         """
         if self._repos:
             cached = self._repos.pop()
             r, created = cached.fetch()
         else:
             cached = self._lastrepo.copy()
             r, created = cached.fetch()
         if created:
             r = self._webifyrepo(r)
 
         self._lastrepo = cached
         self.mtime = cached.mtime
         try:
             yield r
         finally:
             self._repos.append(cached)
 
     def run(self):
         """Start a server from CGI environment.
 
         Modern servers should be using WSGI and should avoid this
         method, if possible.
         """
         if not encoding.environ.get('GATEWAY_INTERFACE',
                                     '').startswith("CGI/1."):
             raise RuntimeError("This function is only intended to be "
                                "called while running as a CGI script.")
         wsgicgi.launch(self)
 
     def __call__(self, env, respond):
         """Run the WSGI application.
 
         This may be called by multiple threads.
         """
         req = wsgirequest(env, respond)
         return self.run_wsgi(req)
 
     def run_wsgi(self, req):
         """Internal method to run the WSGI application.
 
         This is typically only called by Mercurial. External consumers
         should be using instances of this class as the WSGI application.
         """
         with self._obtainrepo() as repo:
             profile = repo.ui.configbool('profiling', 'enabled')
             with profiling.profile(repo.ui, enabled=profile):
                 for r in self._runwsgi(req, repo):
                     yield r
 
     def _runwsgi(self, req, repo):
         rctx = requestcontext(self, repo)
 
         # This state is global across all threads.
         encoding.encoding = rctx.config('web', 'encoding')
         rctx.repo.ui.environ = req.env
 
         if rctx.csp:
             # hgwebdir may have added CSP header. Since we generate our own,
             # replace it.
             req.headers = [h for h in req.headers
                            if h[0] != 'Content-Security-Policy']
             req.headers.append(('Content-Security-Policy', rctx.csp))
 
         # work with CGI variables to create coherent structure
         # use SCRIPT_NAME, PATH_INFO and QUERY_STRING as well as our REPO_NAME
 
         req.url = req.env[r'SCRIPT_NAME']
         if not req.url.endswith('/'):
             req.url += '/'
         if req.env.get('REPO_NAME'):
             req.url += req.env[r'REPO_NAME'] + r'/'
 
         if r'PATH_INFO' in req.env:
             parts = req.env[r'PATH_INFO'].strip('/').split('/')
             repo_parts = req.env.get(r'REPO_NAME', r'').split(r'/')
             if parts[:len(repo_parts)] == repo_parts:
                 parts = parts[len(repo_parts):]
             query = '/'.join(parts)
         else:
             query = req.env[r'QUERY_STRING'].partition(r'&')[0]
             query = query.partition(r';')[0]
 
         # Route it to a wire protocol handler if it looks like a wire protocol
         # request.
         protohandler = wireprotoserver.parsehttprequest(rctx.repo, req, query)
 
         if protohandler:
             cmd = protohandler['cmd']
             try:
                 if query:
                     raise ErrorResponse(HTTP_NOT_FOUND)
-                if cmd in perms:
-                    self.check_perm(rctx, req, perms[cmd])
+
+                # TODO fold this into parsehttprequest
+                req.checkperm = lambda op: self.check_perm(rctx, req, op)
+                protohandler['proto'].checkperm = req.checkperm
+
+                # Assume commands with no defined permissions are writes /
+                # for pushes. This is the safest from a security perspective
+                # because it doesn't allow commands with undefined semantics
+                # from bypassing permissions checks.
+                req.checkperm(perms.get(cmd, 'push'))
+
+                return protohandler['dispatch']()
             except ErrorResponse as inst:
                 return protohandler['handleerror'](inst)
 
-            return protohandler['dispatch']()
-
         # translate user-visible url structure to internal structure
 
         args = query.split('/', 2)
         if 'cmd' not in req.form and args and args[0]:
             cmd = args.pop(0)
             style = cmd.rfind('-')
             if style != -1:
                 req.form['style'] = [cmd[:style]]
                 cmd = cmd[style + 1:]
 
             # avoid accepting e.g. style parameter as command
             if util.safehasattr(webcommands, cmd):
                 req.form['cmd'] = [cmd]
 
             if cmd == 'static':
                 req.form['file'] = ['/'.join(args)]
             else:
                 if args and args[0]:
                     node = args.pop(0).replace('%2F', '/')
                     req.form['node'] = [node]
                 if args:
                     req.form['file'] = args
 
             ua = req.env.get('HTTP_USER_AGENT', '')
             if cmd == 'rev' and 'mercurial' in ua:
                 req.form['style'] = ['raw']
 
             if cmd == 'archive':
                 fn = req.form['node'][0]
                 for type_, spec in rctx.archivespecs.iteritems():
                     ext = spec[2]
                     if fn.endswith(ext):
                         req.form['node'] = [fn[:-len(ext)]]
                         req.form['type'] = [type_]
         else:
             cmd = req.form.get('cmd', [''])[0]
 
         # process the web interface request
 
         try:
             tmpl = rctx.templater(req)
             ctype = tmpl('mimetype', encoding=encoding.encoding)
             ctype = templater.stringify(ctype)
 
             # check read permissions non-static content
             if cmd != 'static':
                 self.check_perm(rctx, req, None)
 
             if cmd == '':
                 req.form['cmd'] = [tmpl.cache['default']]
                 cmd = req.form['cmd'][0]
 
             # Don't enable caching if using a CSP nonce because then it wouldn't
             # be a nonce.
             if rctx.configbool('web', 'cache') and not rctx.nonce:
                 caching(self, req) # sets ETag header or raises NOT_MODIFIED
             if cmd not in webcommands.__all__:
                 msg = 'no such method: %s' % cmd
                 raise ErrorResponse(HTTP_BAD_REQUEST, msg)
             elif cmd == 'file' and 'raw' in req.form.get('style', []):
                 rctx.ctype = ctype
                 content = webcommands.rawfile(rctx, req, tmpl)
             else:
                 content = getattr(webcommands, cmd)(rctx, req, tmpl)
                 req.respond(HTTP_OK, ctype)
 
             return content
 
         except (error.LookupError, error.RepoLookupError) as err:
             req.respond(HTTP_NOT_FOUND, ctype)
             msg = pycompat.bytestr(err)
             if (util.safehasattr(err, 'name') and
                 not isinstance(err,  error.ManifestLookupError)):
                 msg = 'revision not found: %s' % err.name
             return tmpl('error', error=msg)
         except (error.RepoError, error.RevlogError) as inst:
             req.respond(HTTP_SERVER_ERROR, ctype)
             return tmpl('error', error=pycompat.bytestr(inst))
         except ErrorResponse as inst:
             req.respond(inst, ctype)
             if inst.code == HTTP_NOT_MODIFIED:
                 # Not allowed to return a body on a 304
                 return ['']
             return tmpl('error', error=pycompat.bytestr(inst))
 
     def check_perm(self, rctx, req, op):
         for permhook in permhooks:
             permhook(rctx, req, op)
 
 def getwebview(repo):
     """The 'web.view' config controls changeset filter to hgweb. Possible
     values are ``served``, ``visible`` and ``all``. Default is ``served``.
     The ``served`` filter only shows changesets that can be pulled from the
     hgweb instance.  The``visible`` filter includes secret changesets but
     still excludes "hidden" one.
 
     See the repoview module for details.
 
     The option has been around undocumented since Mercurial 2.5, but no
     user ever asked about it. So we better keep it undocumented for now."""
     # experimental config: web.view
     viewconfig = repo.ui.config('web', 'view', untrusted=True)
     if viewconfig == 'all':
         return repo.unfiltered()
     elif viewconfig in repoview.filtertable:
         return repo.filtered(viewconfig)
     else:
         return repo.filtered('served')

mercurial/revlog.py

@@ -1,2501 +1,2531 b''
 # revlog.py - storage back-end for mercurial
 #
 # Copyright 2005-2007 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 """Storage back-end for Mercurial.
 
 This provides efficient delta storage with O(1) retrieve and append
 and O(changes) merge between branches.
 """
 
 from __future__ import absolute_import
 
 import collections
 import contextlib
 import errno
 import hashlib
 import heapq
 import os
 import struct
 import zlib
 
 # import stuff from node for others to import from revlog
 from .node import (
     bin,
     hex,
     nullid,
     nullrev,
     wdirhex,
     wdirid,
     wdirrev,
 )
 from .i18n import _
 from .thirdparty import (
     attr,
 )
 from . import (
     ancestor,
     error,
     mdiff,
     policy,
     pycompat,
     templatefilters,
     util,
 )
 
 parsers = policy.importmod(r'parsers')
 
 # Aliased for performance.
 _zlibdecompress = zlib.decompress
 
 # revlog header flags
 REVLOGV0 = 0
 REVLOGV1 = 1
 # Dummy value until file format is finalized.
 # Reminder: change the bounds check in revlog.__init__ when this is changed.
 REVLOGV2 = 0xDEAD
 FLAG_INLINE_DATA = (1 << 16)
 FLAG_GENERALDELTA = (1 << 17)
 REVLOG_DEFAULT_FLAGS = FLAG_INLINE_DATA
 REVLOG_DEFAULT_FORMAT = REVLOGV1
 REVLOG_DEFAULT_VERSION = REVLOG_DEFAULT_FORMAT | REVLOG_DEFAULT_FLAGS
 REVLOGV1_FLAGS = FLAG_INLINE_DATA | FLAG_GENERALDELTA
 REVLOGV2_FLAGS = REVLOGV1_FLAGS
 
 # revlog index flags
 REVIDX_ISCENSORED = (1 << 15) # revision has censor metadata, must be verified
 REVIDX_ELLIPSIS = (1 << 14) # revision hash does not match data (narrowhg)
 REVIDX_EXTSTORED = (1 << 13) # revision data is stored externally
 REVIDX_DEFAULT_FLAGS = 0
 # stable order in which flags need to be processed and their processors applied
 REVIDX_FLAGS_ORDER = [
     REVIDX_ISCENSORED,
     REVIDX_ELLIPSIS,
     REVIDX_EXTSTORED,
 ]
 REVIDX_KNOWN_FLAGS = util.bitsfrom(REVIDX_FLAGS_ORDER)
+# bitmark for flags that could cause rawdata content change
+REVIDX_RAWTEXT_CHANGING_FLAGS = REVIDX_ISCENSORED | REVIDX_EXTSTORED
 
 # max size of revlog with inline data
 _maxinline = 131072
 _chunksize = 1048576
 
 RevlogError = error.RevlogError
 LookupError = error.LookupError
 CensoredNodeError = error.CensoredNodeError
 ProgrammingError = error.ProgrammingError
 
 # Store flag processors (cf. 'addflagprocessor()' to register)
 _flagprocessors = {
     REVIDX_ISCENSORED: None,
 }
 
 def addflagprocessor(flag, processor):
     """Register a flag processor on a revision data flag.
 
     Invariant:
-    - Flags need to be defined in REVIDX_KNOWN_FLAGS and REVIDX_FLAGS_ORDER.
+    - Flags need to be defined in REVIDX_KNOWN_FLAGS and REVIDX_FLAGS_ORDER,
+      and REVIDX_RAWTEXT_CHANGING_FLAGS if they can alter rawtext.
     - Only one flag processor can be registered on a specific flag.
     - flagprocessors must be 3-tuples of functions (read, write, raw) with the
       following signatures:
           - (read)  f(self, rawtext) -> text, bool
           - (write) f(self, text) -> rawtext, bool
           - (raw)   f(self, rawtext) -> bool
       "text" is presented to the user. "rawtext" is stored in revlog data, not
       directly visible to the user.
       The boolean returned by these transforms is used to determine whether
       the returned text can be used for hash integrity checking. For example,
       if "write" returns False, then "text" is used to generate hash. If
       "write" returns True, that basically means "rawtext" returned by "write"
       should be used to generate hash. Usually, "write" and "read" return
       different booleans. And "raw" returns a same boolean as "write".
 
       Note: The 'raw' transform is used for changegroup generation and in some
       debug commands. In this case the transform only indicates whether the
       contents can be used for hash integrity checks.
     """
     if not flag & REVIDX_KNOWN_FLAGS:
         msg = _("cannot register processor on unknown flag '%#x'.") % (flag)
         raise ProgrammingError(msg)
     if flag not in REVIDX_FLAGS_ORDER:
         msg = _("flag '%#x' undefined in REVIDX_FLAGS_ORDER.") % (flag)
         raise ProgrammingError(msg)
     if flag in _flagprocessors:
         msg = _("cannot register multiple processors on flag '%#x'.") % (flag)
         raise error.Abort(msg)
     _flagprocessors[flag] = processor
 
 def getoffset(q):
     return int(q >> 16)
 
 def gettype(q):
     return int(q & 0xFFFF)
 
 def offset_type(offset, type):
     if (type & ~REVIDX_KNOWN_FLAGS) != 0:
         raise ValueError('unknown revlog index flags')
     return int(int(offset) << 16 | type)
 
 _nullhash = hashlib.sha1(nullid)
 
 def hash(text, p1, p2):
     """generate a hash from the given text and its parent hashes
 
     This hash combines both the current file contents and its history
     in a manner that makes it easy to distinguish nodes with the same
     content in the revision graph.
     """
     # As of now, if one of the parent node is null, p2 is null
     if p2 == nullid:
         # deep copy of a hash is faster than creating one
         s = _nullhash.copy()
         s.update(p1)
     else:
         # none of the parent nodes are nullid
         if p1 < p2:
             a = p1
             b = p2
         else:
             a = p2
             b = p1
         s = hashlib.sha1(a)
         s.update(b)
     s.update(text)
     return s.digest()
 
 def _trimchunk(revlog, revs, startidx, endidx=None):
     """returns revs[startidx:endidx] without empty trailing revs
     """
     length = revlog.length
 
     if endidx is None:
         endidx = len(revs)
 
     # Trim empty revs at the end, but never the very first revision of a chain
     while endidx > 1 and endidx > startidx and length(revs[endidx - 1]) == 0:
         endidx -= 1
 
     return revs[startidx:endidx]
 
 def _slicechunk(revlog, revs):
     """slice revs to reduce the amount of unrelated data to be read from disk.
 
     ``revs`` is sliced into groups that should be read in one time.
     Assume that revs are sorted.
     """
     start = revlog.start
     length = revlog.length
 
     if len(revs) <= 1:
         yield revs
         return
 
     startbyte = start(revs[0])
     endbyte = start(revs[-1]) + length(revs[-1])
     readdata = deltachainspan = endbyte - startbyte
 
     chainpayload = sum(length(r) for r in revs)
 
     if deltachainspan:
         density = chainpayload / float(deltachainspan)
     else:
         density = 1.0
 
     # Store the gaps in a heap to have them sorted by decreasing size
     gapsheap = []
     heapq.heapify(gapsheap)
     prevend = None
     for i, rev in enumerate(revs):
         revstart = start(rev)
         revlen = length(rev)
 
         # Skip empty revisions to form larger holes
         if revlen == 0:
             continue
 
         if prevend is not None:
             gapsize = revstart - prevend
             # only consider holes that are large enough
             if gapsize > revlog._srmingapsize:
                 heapq.heappush(gapsheap, (-gapsize, i))
 
         prevend = revstart + revlen
 
     # Collect the indices of the largest holes until the density is acceptable
     indicesheap = []
     heapq.heapify(indicesheap)
     while gapsheap and density < revlog._srdensitythreshold:
         oppgapsize, gapidx = heapq.heappop(gapsheap)
 
         heapq.heappush(indicesheap, gapidx)
 
         # the gap sizes are stored as negatives to be sorted decreasingly
         # by the heap
         readdata -= (-oppgapsize)
         if readdata > 0:
             density = chainpayload / float(readdata)
         else:
             density = 1.0
 
     # Cut the revs at collected indices
     previdx = 0
     while indicesheap:
         idx = heapq.heappop(indicesheap)
 
         chunk = _trimchunk(revlog, revs, previdx, idx)
         if chunk:
             yield chunk
 
         previdx = idx
 
     chunk = _trimchunk(revlog, revs, previdx)
     if chunk:
         yield chunk
 
 @attr.s(slots=True, frozen=True)
 class _deltainfo(object):
     distance = attr.ib()
     deltalen = attr.ib()
     data = attr.ib()
     base = attr.ib()
     chainbase = attr.ib()
     chainlen = attr.ib()
     compresseddeltalen = attr.ib()
 
 class _deltacomputer(object):
     def __init__(self, revlog):
         self.revlog = revlog
 
     def _getcandidaterevs(self, p1, p2, cachedelta):
         """
         Provides revisions that present an interest to be diffed against,
         grouped by level of easiness.
         """
         revlog = self.revlog
         curr = len(revlog)
         prev = curr - 1
         p1r, p2r = revlog.rev(p1), revlog.rev(p2)
 
         # should we try to build a delta?
         if prev != nullrev and revlog.storedeltachains:
             tested = set()
             # This condition is true most of the time when processing
             # changegroup data into a generaldelta repo. The only time it
             # isn't true is if this is the first revision in a delta chain
             # or if ``format.generaldelta=true`` disabled ``lazydeltabase``.
             if cachedelta and revlog._generaldelta and revlog._lazydeltabase:
                 # Assume what we received from the server is a good choice
                 # build delta will reuse the cache
                 yield (cachedelta[0],)
                 tested.add(cachedelta[0])
 
             if revlog._generaldelta:
                 # exclude already lazy tested base if any
                 parents = [p for p in (p1r, p2r)
                            if p != nullrev and p not in tested]
                 if parents and not revlog._aggressivemergedeltas:
                     # Pick whichever parent is closer to us (to minimize the
                     # chance of having to build a fulltext).
                     parents = [max(parents)]
                 tested.update(parents)
                 yield parents
 
             if prev not in tested:
                 # other approach failed try against prev to hopefully save us a
                 # fulltext.
                 yield (prev,)
 
     def buildtext(self, revinfo, fh):
         """Builds a fulltext version of a revision
 
         revinfo: _revisioninfo instance that contains all needed info
         fh:      file handle to either the .i or the .d revlog file,
                  depending on whether it is inlined or not
         """
         btext = revinfo.btext
         if btext[0] is not None:
             return btext[0]
 
         revlog = self.revlog
         cachedelta = revinfo.cachedelta
         flags = revinfo.flags
         node = revinfo.node
 
         baserev = cachedelta[0]
         delta = cachedelta[1]
         # special case deltas which replace entire base; no need to decode
         # base revision. this neatly avoids censored bases, which throw when
         # they're decoded.
         hlen = struct.calcsize(">lll")
         if delta[:hlen] == mdiff.replacediffheader(revlog.rawsize(baserev),
                                                    len(delta) - hlen):
             btext[0] = delta[hlen:]
         else:
-            basetext = revlog.revision(baserev, _df=fh, raw=True)
+            # deltabase is rawtext before changed by flag processors, which is
+            # equivalent to non-raw text
+            basetext = revlog.revision(baserev, _df=fh, raw=False)
             btext[0] = mdiff.patch(basetext, delta)
 
         try:
             res = revlog._processflags(btext[0], flags, 'read', raw=True)
             btext[0], validatehash = res
             if validatehash:
                 revlog.checkhash(btext[0], node, p1=revinfo.p1, p2=revinfo.p2)
             if flags & REVIDX_ISCENSORED:
                 raise RevlogError(_('node %s is not censored') % node)
         except CensoredNodeError:
             # must pass the censored index flag to add censored revisions
             if not flags & REVIDX_ISCENSORED:
                 raise
         return btext[0]
 
     def _builddeltadiff(self, base, revinfo, fh):
         revlog = self.revlog
         t = self.buildtext(revinfo, fh)
         if revlog.iscensored(base):
             # deltas based on a censored revision must replace the
             # full content in one patch, so delta works everywhere
             header = mdiff.replacediffheader(revlog.rawsize(base), len(t))
             delta = header + t
         else:
             ptext = revlog.revision(base, _df=fh, raw=True)
             delta = mdiff.textdiff(ptext, t)
 
         return delta
 
     def _builddeltainfo(self, revinfo, base, fh):
         # can we use the cached delta?
         if revinfo.cachedelta and revinfo.cachedelta[0] == base:
             delta = revinfo.cachedelta[1]
         else:
             delta = self._builddeltadiff(base, revinfo, fh)
         revlog = self.revlog
         header, data = revlog.compress(delta)
         deltalen = len(header) + len(data)
         chainbase = revlog.chainbase(base)
         offset = revlog.end(len(revlog) - 1)
         dist = deltalen + offset - revlog.start(chainbase)
         if revlog._generaldelta:
             deltabase = base
         else:
             deltabase = chainbase
         chainlen, compresseddeltalen = revlog._chaininfo(base)
         chainlen += 1
         compresseddeltalen += deltalen
         return _deltainfo(dist, deltalen, (header, data), deltabase,
                          chainbase, chainlen, compresseddeltalen)
 
     def finddeltainfo(self, revinfo, fh):
         """Find an acceptable delta against a candidate revision
 
         revinfo: information about the revision (instance of _revisioninfo)
         fh:      file handle to either the .i or the .d revlog file,
                  depending on whether it is inlined or not
 
         Returns the first acceptable candidate revision, as ordered by
         _getcandidaterevs
         """
         cachedelta = revinfo.cachedelta
         p1 = revinfo.p1
         p2 = revinfo.p2
         revlog = self.revlog
 
         deltainfo = None
         for candidaterevs in self._getcandidaterevs(p1, p2, cachedelta):
             nominateddeltas = []
             for candidaterev in candidaterevs:
+                # no delta for rawtext-changing revs (see "candelta" for why)
+                if revlog.flags(candidaterev) & REVIDX_RAWTEXT_CHANGING_FLAGS:
+                    continue
                 candidatedelta = self._builddeltainfo(revinfo, candidaterev, fh)
                 if revlog._isgooddeltainfo(candidatedelta, revinfo.textlen):
                     nominateddeltas.append(candidatedelta)
             if nominateddeltas:
                 deltainfo = min(nominateddeltas, key=lambda x: x.deltalen)
                 break
 
         return deltainfo
 
 @attr.s(slots=True, frozen=True)
 class _revisioninfo(object):
     """Information about a revision that allows building its fulltext
     node:       expected hash of the revision
     p1, p2:     parent revs of the revision
     btext:      built text cache consisting of a one-element list
     cachedelta: (baserev, uncompressed_delta) or None
     flags:      flags associated to the revision storage
 
     One of btext[0] or cachedelta must be set.
     """
     node = attr.ib()
     p1 = attr.ib()
     p2 = attr.ib()
     btext = attr.ib()
     textlen = attr.ib()
     cachedelta = attr.ib()
     flags = attr.ib()
 
 # index v0:
 #  4 bytes: offset
 #  4 bytes: compressed length
 #  4 bytes: base rev
 #  4 bytes: link rev
 # 20 bytes: parent 1 nodeid
 # 20 bytes: parent 2 nodeid
 # 20 bytes: nodeid
 indexformatv0 = struct.Struct(">4l20s20s20s")
 indexformatv0_pack = indexformatv0.pack
 indexformatv0_unpack = indexformatv0.unpack
 
 class revlogoldio(object):
     def __init__(self):
         self.size = indexformatv0.size
 
     def parseindex(self, data, inline):
         s = self.size
         index = []
         nodemap = {nullid: nullrev}
         n = off = 0
         l = len(data)
         while off + s <= l:
             cur = data[off:off + s]
             off += s
             e = indexformatv0_unpack(cur)
             # transform to revlogv1 format
             e2 = (offset_type(e[0], 0), e[1], -1, e[2], e[3],
                   nodemap.get(e[4], nullrev), nodemap.get(e[5], nullrev), e[6])
             index.append(e2)
             nodemap[e[6]] = n
             n += 1
 
         # add the magic null revision at -1
         index.append((0, 0, 0, -1, -1, -1, -1, nullid))
 
         return index, nodemap, None
 
     def packentry(self, entry, node, version, rev):
         if gettype(entry[0]):
             raise RevlogError(_('index entry flags need revlog version 1'))
         e2 = (getoffset(entry[0]), entry[1], entry[3], entry[4],
               node(entry[5]), node(entry[6]), entry[7])
         return indexformatv0_pack(*e2)
 
 # index ng:
 #  6 bytes: offset
 #  2 bytes: flags
 #  4 bytes: compressed length
 #  4 bytes: uncompressed length
 #  4 bytes: base rev
 #  4 bytes: link rev
 #  4 bytes: parent 1 rev
 #  4 bytes: parent 2 rev
 # 32 bytes: nodeid
 indexformatng = struct.Struct(">Qiiiiii20s12x")
 indexformatng_pack = indexformatng.pack
 versionformat = struct.Struct(">I")
 versionformat_pack = versionformat.pack
 versionformat_unpack = versionformat.unpack
 
 # corresponds to uncompressed length of indexformatng (2 gigs, 4-byte
 # signed integer)
 _maxentrysize = 0x7fffffff
 
 class revlogio(object):
     def __init__(self):
         self.size = indexformatng.size
 
     def parseindex(self, data, inline):
         # call the C implementation to parse the index data
         index, cache = parsers.parse_index2(data, inline)
         return index, getattr(index, 'nodemap', None), cache
 
     def packentry(self, entry, node, version, rev):
         p = indexformatng_pack(*entry)
         if rev == 0:
             p = versionformat_pack(version) + p[4:]
         return p
 
 class revlog(object):
     """
     the underlying revision storage object
 
     A revlog consists of two parts, an index and the revision data.
 
     The index is a file with a fixed record size containing
     information on each revision, including its nodeid (hash), the
     nodeids of its parents, the position and offset of its data within
     the data file, and the revision it's based on. Finally, each entry
     contains a linkrev entry that can serve as a pointer to external
     data.
 
     The revision data itself is a linear collection of data chunks.
     Each chunk represents a revision and is usually represented as a
     delta against the previous chunk. To bound lookup time, runs of
     deltas are limited to about 2 times the length of the original
     version data. This makes retrieval of a version proportional to
     its size, or O(1) relative to the number of revisions.
 
     Both pieces of the revlog are written to in an append-only
     fashion, which means we never need to rewrite a file to insert or
     remove data, and can use some simple techniques to avoid the need
     for locking while reading.
 
     If checkambig, indexfile is opened with checkambig=True at
     writing, to avoid file stat ambiguity.
 
     If mmaplargeindex is True, and an mmapindexthreshold is set, the
     index will be mmapped rather than read if it is larger than the
     configured threshold.
     """
     def __init__(self, opener, indexfile, datafile=None, checkambig=False,
                  mmaplargeindex=False):
         """
         create a revlog object
 
         opener is a function that abstracts the file opening operation
         and can be used to implement COW semantics or the like.
         """
         self.indexfile = indexfile
         self.datafile = datafile or (indexfile[:-2] + ".d")
         self.opener = opener
         #  When True, indexfile is opened with checkambig=True at writing, to
         #  avoid file stat ambiguity.
         self._checkambig = checkambig
         # 3-tuple of (node, rev, text) for a raw revision.
         self._cache = None
         # Maps rev to chain base rev.
         self._chainbasecache = util.lrucachedict(100)
         # 2-tuple of (offset, data) of raw data from the revlog at an offset.
         self._chunkcache = (0, '')
         # How much data to read and cache into the raw revlog data cache.
         self._chunkcachesize = 65536
         self._maxchainlen = None
         self._aggressivemergedeltas = False
         self.index = []
         # Mapping of partial identifiers to full nodes.
         self._pcache = {}
         # Mapping of revision integer to full node.
         self._nodecache = {nullid: nullrev}
         self._nodepos = None
         self._compengine = 'zlib'
         self._maxdeltachainspan = -1
         self._withsparseread = False
         self._srdensitythreshold = 0.25
         self._srmingapsize = 262144
 
         mmapindexthreshold = None
         v = REVLOG_DEFAULT_VERSION
         opts = getattr(opener, 'options', None)
         if opts is not None:
             if 'revlogv2' in opts:
                 # version 2 revlogs always use generaldelta.
                 v = REVLOGV2 | FLAG_GENERALDELTA | FLAG_INLINE_DATA
             elif 'revlogv1' in opts:
                 if 'generaldelta' in opts:
                     v |= FLAG_GENERALDELTA
             else:
                 v = 0
             if 'chunkcachesize' in opts:
                 self._chunkcachesize = opts['chunkcachesize']
             if 'maxchainlen' in opts:
                 self._maxchainlen = opts['maxchainlen']
             if 'aggressivemergedeltas' in opts:
                 self._aggressivemergedeltas = opts['aggressivemergedeltas']
             self._lazydeltabase = bool(opts.get('lazydeltabase', False))
             if 'compengine' in opts:
                 self._compengine = opts['compengine']
             if 'maxdeltachainspan' in opts:
                 self._maxdeltachainspan = opts['maxdeltachainspan']
             if mmaplargeindex and 'mmapindexthreshold' in opts:
                 mmapindexthreshold = opts['mmapindexthreshold']
             self._withsparseread = bool(opts.get('with-sparse-read', False))
             if 'sparse-read-density-threshold' in opts:
                 self._srdensitythreshold = opts['sparse-read-density-threshold']
             if 'sparse-read-min-gap-size' in opts:
                 self._srmingapsize = opts['sparse-read-min-gap-size']
 
         if self._chunkcachesize <= 0:
             raise RevlogError(_('revlog chunk cache size %r is not greater '
                                 'than 0') % self._chunkcachesize)
         elif self._chunkcachesize & (self._chunkcachesize - 1):
             raise RevlogError(_('revlog chunk cache size %r is not a power '
                                 'of 2') % self._chunkcachesize)
 
         indexdata = ''
         self._initempty = True
         try:
             with self._indexfp() as f:
                 if (mmapindexthreshold is not None and
                         self.opener.fstat(f).st_size >= mmapindexthreshold):
                     indexdata = util.buffer(util.mmapread(f))
                 else:
                     indexdata = f.read()
             if len(indexdata) > 0:
                 v = versionformat_unpack(indexdata[:4])[0]
                 self._initempty = False
         except IOError as inst:
             if inst.errno != errno.ENOENT:
                 raise
 
         self.version = v
         self._inline = v & FLAG_INLINE_DATA
         self._generaldelta = v & FLAG_GENERALDELTA
         flags = v & ~0xFFFF
         fmt = v & 0xFFFF
         if fmt == REVLOGV0:
             if flags:
                 raise RevlogError(_('unknown flags (%#04x) in version %d '
                                     'revlog %s') %
                                   (flags >> 16, fmt, self.indexfile))
         elif fmt == REVLOGV1:
             if flags & ~REVLOGV1_FLAGS:
                 raise RevlogError(_('unknown flags (%#04x) in version %d '
                                     'revlog %s') %
                                   (flags >> 16, fmt, self.indexfile))
         elif fmt == REVLOGV2:
             if flags & ~REVLOGV2_FLAGS:
                 raise RevlogError(_('unknown flags (%#04x) in version %d '
                                     'revlog %s') %
                                   (flags >> 16, fmt, self.indexfile))
         else:
             raise RevlogError(_('unknown version (%d) in revlog %s') %
                               (fmt, self.indexfile))
 
         self.storedeltachains = True
 
         self._io = revlogio()
         if self.version == REVLOGV0:
             self._io = revlogoldio()
         try:
             d = self._io.parseindex(indexdata, self._inline)
         except (ValueError, IndexError):
             raise RevlogError(_("index %s is corrupted") % (self.indexfile))
         self.index, nodemap, self._chunkcache = d
         if nodemap is not None:
             self.nodemap = self._nodecache = nodemap
         if not self._chunkcache:
             self._chunkclear()
         # revnum -> (chain-length, sum-delta-length)
         self._chaininfocache = {}
         # revlog header -> revlog compressor
         self._decompressors = {}
 
     @util.propertycache
     def _compressor(self):
         return util.compengines[self._compengine].revlogcompressor()
 
     def _indexfp(self, mode='r'):
         """file object for the revlog's index file"""
         args = {r'mode': mode}
         if mode != 'r':
             args[r'checkambig'] = self._checkambig
         if mode == 'w':
             args[r'atomictemp'] = True
         return self.opener(self.indexfile, **args)
 
     def _datafp(self, mode='r'):
         """file object for the revlog's data file"""
         return self.opener(self.datafile, mode=mode)
 
     @contextlib.contextmanager
     def _datareadfp(self, existingfp=None):
         """file object suitable to read data"""
         if existingfp is not None:
             yield existingfp
         else:
             if self._inline:
                 func = self._indexfp
             else:
                 func = self._datafp
             with func() as fp:
                 yield fp
 
     def tip(self):
         return self.node(len(self.index) - 2)
     def __contains__(self, rev):
         return 0 <= rev < len(self)
     def __len__(self):
         return len(self.index) - 1
     def __iter__(self):
         return iter(xrange(len(self)))
     def revs(self, start=0, stop=None):
         """iterate over all rev in this revlog (from start to stop)"""
         step = 1
         if stop is not None:
             if start > stop:
                 step = -1
             stop += step
         else:
             stop = len(self)
         return xrange(start, stop, step)
 
     @util.propertycache
     def nodemap(self):
         self.rev(self.node(0))
         return self._nodecache
 
     def hasnode(self, node):
         try:
             self.rev(node)
             return True
         except KeyError:
             return False
 
+    def candelta(self, baserev, rev):
+        """whether two revisions (baserev, rev) can be delta-ed or not"""
+        # Disable delta if either rev requires a content-changing flag
+        # processor (ex. LFS). This is because such flag processor can alter
+        # the rawtext content that the delta will be based on, and two clients
+        # could have a same revlog node with different flags (i.e. different
+        # rawtext contents) and the delta could be incompatible.
+        if ((self.flags(baserev) & REVIDX_RAWTEXT_CHANGING_FLAGS)
+            or (self.flags(rev) & REVIDX_RAWTEXT_CHANGING_FLAGS)):
+            return False
+        return True
+
     def clearcaches(self):
         self._cache = None
         self._chainbasecache.clear()
         self._chunkcache = (0, '')
         self._pcache = {}
 
         try:
             self._nodecache.clearcaches()
         except AttributeError:
             self._nodecache = {nullid: nullrev}
             self._nodepos = None
 
     def rev(self, node):
         try:
             return self._nodecache[node]
         except TypeError:
             raise
         except RevlogError:
             # parsers.c radix tree lookup failed
             if node == wdirid:
                 raise error.WdirUnsupported
             raise LookupError(node, self.indexfile, _('no node'))
         except KeyError:
             # pure python cache lookup failed
             n = self._nodecache
             i = self.index
             p = self._nodepos
             if p is None:
                 p = len(i) - 2
             for r in xrange(p, -1, -1):
                 v = i[r][7]
                 n[v] = r
                 if v == node:
                     self._nodepos = r - 1
                     return r
             if node == wdirid:
                 raise error.WdirUnsupported
             raise LookupError(node, self.indexfile, _('no node'))
 
     # Accessors for index entries.
 
     # First tuple entry is 8 bytes. First 6 bytes are offset. Last 2 bytes
     # are flags.
     def start(self, rev):
         return int(self.index[rev][0] >> 16)
 
     def flags(self, rev):
         return self.index[rev][0] & 0xFFFF
 
     def length(self, rev):
         return self.index[rev][1]
 
     def rawsize(self, rev):
         """return the length of the uncompressed text for a given revision"""
         l = self.index[rev][2]
         if l >= 0:
             return l
 
         t = self.revision(rev, raw=True)
         return len(t)
 
     def size(self, rev):
         """length of non-raw text (processed by a "read" flag processor)"""
         # fast path: if no "read" flag processor could change the content,
         # size is rawsize. note: ELLIPSIS is known to not change the content.
         flags = self.flags(rev)
         if flags & (REVIDX_KNOWN_FLAGS ^ REVIDX_ELLIPSIS) == 0:
             return self.rawsize(rev)
 
         return len(self.revision(rev, raw=False))
 
     def chainbase(self, rev):
         base = self._chainbasecache.get(rev)
         if base is not None:
             return base
 
         index = self.index
         base = index[rev][3]
         while base != rev:
             rev = base
             base = index[rev][3]
 
         self._chainbasecache[rev] = base
         return base
 
     def linkrev(self, rev):
         return self.index[rev][4]
 
     def parentrevs(self, rev):
         try:
             entry = self.index[rev]
         except IndexError:
             if rev == wdirrev:
                 raise error.WdirUnsupported
             raise
 
         return entry[5], entry[6]
 
     def node(self, rev):
         try:
             return self.index[rev][7]
         except IndexError:
             if rev == wdirrev:
                 raise error.WdirUnsupported
             raise
 
     # Derived from index values.
 
     def end(self, rev):
         return self.start(rev) + self.length(rev)
 
     def parents(self, node):
         i = self.index
         d = i[self.rev(node)]
         return i[d[5]][7], i[d[6]][7] # map revisions to nodes inline
 
     def chainlen(self, rev):
         return self._chaininfo(rev)[0]
 
     def _chaininfo(self, rev):
         chaininfocache = self._chaininfocache
         if rev in chaininfocache:
             return chaininfocache[rev]
         index = self.index
         generaldelta = self._generaldelta
         iterrev = rev
         e = index[iterrev]
         clen = 0
         compresseddeltalen = 0
         while iterrev != e[3]:
             clen += 1
             compresseddeltalen += e[1]
             if generaldelta:
                 iterrev = e[3]
             else:
                 iterrev -= 1
             if iterrev in chaininfocache:
                 t = chaininfocache[iterrev]
                 clen += t[0]
                 compresseddeltalen += t[1]
                 break
             e = index[iterrev]
         else:
             # Add text length of base since decompressing that also takes
             # work. For cache hits the length is already included.
             compresseddeltalen += e[1]
         r = (clen, compresseddeltalen)
         chaininfocache[rev] = r
         return r
 
     def _deltachain(self, rev, stoprev=None):
         """Obtain the delta chain for a revision.
 
         ``stoprev`` specifies a revision to stop at. If not specified, we
         stop at the base of the chain.
 
         Returns a 2-tuple of (chain, stopped) where ``chain`` is a list of
         revs in ascending order and ``stopped`` is a bool indicating whether
         ``stoprev`` was hit.
         """
         # Try C implementation.
         try:
             return self.index.deltachain(rev, stoprev, self._generaldelta)
         except AttributeError:
             pass
 
         chain = []
 
         # Alias to prevent attribute lookup in tight loop.
         index = self.index
         generaldelta = self._generaldelta
 
         iterrev = rev
         e = index[iterrev]
         while iterrev != e[3] and iterrev != stoprev:
             chain.append(iterrev)
             if generaldelta:
                 iterrev = e[3]
             else:
                 iterrev -= 1
             e = index[iterrev]
 
         if iterrev == stoprev:
             stopped = True
         else:
             chain.append(iterrev)
             stopped = False
 
         chain.reverse()
         return chain, stopped
 
     def ancestors(self, revs, stoprev=0, inclusive=False):
         """Generate the ancestors of 'revs' in reverse topological order.
         Does not generate revs lower than stoprev.
 
         See the documentation for ancestor.lazyancestors for more details."""
 
         return ancestor.lazyancestors(self.parentrevs, revs, stoprev=stoprev,
                                       inclusive=inclusive)
 
     def descendants(self, revs):
         """Generate the descendants of 'revs' in revision order.
 
         Yield a sequence of revision numbers starting with a child of
         some rev in revs, i.e., each revision is *not* considered a
         descendant of itself.  Results are ordered by revision number (a
         topological sort)."""
         first = min(revs)
         if first == nullrev:
             for i in self:
                 yield i
             return
 
         seen = set(revs)
         for i in self.revs(start=first + 1):
             for x in self.parentrevs(i):
                 if x != nullrev and x in seen:
                     seen.add(i)
                     yield i
                     break
 
     def findcommonmissing(self, common=None, heads=None):
         """Return a tuple of the ancestors of common and the ancestors of heads
         that are not ancestors of common. In revset terminology, we return the
         tuple:
 
           ::common, (::heads) - (::common)
 
         The list is sorted by revision number, meaning it is
         topologically sorted.
 
         'heads' and 'common' are both lists of node IDs.  If heads is
         not supplied, uses all of the revlog's heads.  If common is not
         supplied, uses nullid."""
         if common is None:
             common = [nullid]
         if heads is None:
             heads = self.heads()
 
         common = [self.rev(n) for n in common]
         heads = [self.rev(n) for n in heads]
 
         # we want the ancestors, but inclusive
         class lazyset(object):
             def __init__(self, lazyvalues):
                 self.addedvalues = set()
                 self.lazyvalues = lazyvalues
 
             def __contains__(self, value):
                 return value in self.addedvalues or value in self.lazyvalues
 
             def __iter__(self):
                 added = self.addedvalues
                 for r in added:
                     yield r
                 for r in self.lazyvalues:
                     if not r in added:
                         yield r
 
             def add(self, value):
                 self.addedvalues.add(value)
 
             def update(self, values):
                 self.addedvalues.update(values)
 
         has = lazyset(self.ancestors(common))
         has.add(nullrev)
         has.update(common)
 
         # take all ancestors from heads that aren't in has
         missing = set()
         visit = collections.deque(r for r in heads if r not in has)
         while visit:
             r = visit.popleft()
             if r in missing:
                 continue
             else:
                 missing.add(r)
                 for p in self.parentrevs(r):
                     if p not in has:
                         visit.append(p)
         missing = list(missing)
         missing.sort()
         return has, [self.node(miss) for miss in missing]
 
     def incrementalmissingrevs(self, common=None):
         """Return an object that can be used to incrementally compute the
         revision numbers of the ancestors of arbitrary sets that are not
         ancestors of common. This is an ancestor.incrementalmissingancestors
         object.
 
         'common' is a list of revision numbers. If common is not supplied, uses
         nullrev.
         """
         if common is None:
             common = [nullrev]
 
         return ancestor.incrementalmissingancestors(self.parentrevs, common)
 
     def findmissingrevs(self, common=None, heads=None):
         """Return the revision numbers of the ancestors of heads that
         are not ancestors of common.
 
         More specifically, return a list of revision numbers corresponding to
         nodes N such that every N satisfies the following constraints:
 
           1. N is an ancestor of some node in 'heads'
           2. N is not an ancestor of any node in 'common'
 
         The list is sorted by revision number, meaning it is
         topologically sorted.
 
         'heads' and 'common' are both lists of revision numbers.  If heads is
         not supplied, uses all of the revlog's heads.  If common is not
         supplied, uses nullid."""
         if common is None:
             common = [nullrev]
         if heads is None:
             heads = self.headrevs()
 
         inc = self.incrementalmissingrevs(common=common)
         return inc.missingancestors(heads)
 
     def findmissing(self, common=None, heads=None):
         """Return the ancestors of heads that are not ancestors of common.
 
         More specifically, return a list of nodes N such that every N
         satisfies the following constraints:
 
           1. N is an ancestor of some node in 'heads'
           2. N is not an ancestor of any node in 'common'
 
         The list is sorted by revision number, meaning it is
         topologically sorted.
 
         'heads' and 'common' are both lists of node IDs.  If heads is
         not supplied, uses all of the revlog's heads.  If common is not
         supplied, uses nullid."""
         if common is None:
             common = [nullid]
         if heads is None:
             heads = self.heads()
 
         common = [self.rev(n) for n in common]
         heads = [self.rev(n) for n in heads]
 
         inc = self.incrementalmissingrevs(common=common)
         return [self.node(r) for r in inc.missingancestors(heads)]
 
     def nodesbetween(self, roots=None, heads=None):
         """Return a topological path from 'roots' to 'heads'.
 
         Return a tuple (nodes, outroots, outheads) where 'nodes' is a
         topologically sorted list of all nodes N that satisfy both of
         these constraints:
 
           1. N is a descendant of some node in 'roots'
           2. N is an ancestor of some node in 'heads'
 
         Every node is considered to be both a descendant and an ancestor
         of itself, so every reachable node in 'roots' and 'heads' will be
         included in 'nodes'.
 
         'outroots' is the list of reachable nodes in 'roots', i.e., the
         subset of 'roots' that is returned in 'nodes'.  Likewise,
         'outheads' is the subset of 'heads' that is also in 'nodes'.
 
         'roots' and 'heads' are both lists of node IDs.  If 'roots' is
         unspecified, uses nullid as the only root.  If 'heads' is
         unspecified, uses list of all of the revlog's heads."""
         nonodes = ([], [], [])
         if roots is not None:
             roots = list(roots)
             if not roots:
                 return nonodes
             lowestrev = min([self.rev(n) for n in roots])
         else:
             roots = [nullid] # Everybody's a descendant of nullid
             lowestrev = nullrev
         if (lowestrev == nullrev) and (heads is None):
             # We want _all_ the nodes!
             return ([self.node(r) for r in self], [nullid], list(self.heads()))
         if heads is None:
             # All nodes are ancestors, so the latest ancestor is the last
             # node.
             highestrev = len(self) - 1
             # Set ancestors to None to signal that every node is an ancestor.
             ancestors = None
             # Set heads to an empty dictionary for later discovery of heads
             heads = {}
         else:
             heads = list(heads)
             if not heads:
                 return nonodes
             ancestors = set()
             # Turn heads into a dictionary so we can remove 'fake' heads.
             # Also, later we will be using it to filter out the heads we can't
             # find from roots.
             heads = dict.fromkeys(heads, False)
             # Start at the top and keep marking parents until we're done.
             nodestotag = set(heads)
             # Remember where the top was so we can use it as a limit later.
             highestrev = max([self.rev(n) for n in nodestotag])
             while nodestotag:
                 # grab a node to tag
                 n = nodestotag.pop()
                 # Never tag nullid
                 if n == nullid:
                     continue
                 # A node's revision number represents its place in a
                 # topologically sorted list of nodes.
                 r = self.rev(n)
                 if r >= lowestrev:
                     if n not in ancestors:
                         # If we are possibly a descendant of one of the roots
                         # and we haven't already been marked as an ancestor
                         ancestors.add(n) # Mark as ancestor
                         # Add non-nullid parents to list of nodes to tag.
                         nodestotag.update([p for p in self.parents(n) if
                                            p != nullid])
                     elif n in heads: # We've seen it before, is it a fake head?
                         # So it is, real heads should not be the ancestors of
                         # any other heads.
                         heads.pop(n)
             if not ancestors:
                 return nonodes
             # Now that we have our set of ancestors, we want to remove any
             # roots that are not ancestors.
 
             # If one of the roots was nullid, everything is included anyway.
             if lowestrev > nullrev:
                 # But, since we weren't, let's recompute the lowest rev to not
                 # include roots that aren't ancestors.
 
                 # Filter out roots that aren't ancestors of heads
                 roots = [root for root in roots if root in ancestors]
                 # Recompute the lowest revision
                 if roots:
                     lowestrev = min([self.rev(root) for root in roots])
                 else:
                     # No more roots?  Return empty list
                     return nonodes
             else:
                 # We are descending from nullid, and don't need to care about
                 # any other roots.
                 lowestrev = nullrev
                 roots = [nullid]
         # Transform our roots list into a set.
         descendants = set(roots)
         # Also, keep the original roots so we can filter out roots that aren't
         # 'real' roots (i.e. are descended from other roots).
         roots = descendants.copy()
         # Our topologically sorted list of output nodes.
         orderedout = []
         # Don't start at nullid since we don't want nullid in our output list,
         # and if nullid shows up in descendants, empty parents will look like
         # they're descendants.
         for r in self.revs(start=max(lowestrev, 0), stop=highestrev + 1):
             n = self.node(r)
             isdescendant = False
             if lowestrev == nullrev:  # Everybody is a descendant of nullid
                 isdescendant = True
             elif n in descendants:
                 # n is already a descendant
                 isdescendant = True
                 # This check only needs to be done here because all the roots
                 # will start being marked is descendants before the loop.
                 if n in roots:
                     # If n was a root, check if it's a 'real' root.
                     p = tuple(self.parents(n))
                     # If any of its parents are descendants, it's not a root.
                     if (p[0] in descendants) or (p[1] in descendants):
                         roots.remove(n)
             else:
                 p = tuple(self.parents(n))
                 # A node is a descendant if either of its parents are
                 # descendants.  (We seeded the dependents list with the roots
                 # up there, remember?)
                 if (p[0] in descendants) or (p[1] in descendants):
                     descendants.add(n)
                     isdescendant = True
             if isdescendant and ((ancestors is None) or (n in ancestors)):
                 # Only include nodes that are both descendants and ancestors.
                 orderedout.append(n)
                 if (ancestors is not None) and (n in heads):
                     # We're trying to figure out which heads are reachable
                     # from roots.
                     # Mark this head as having been reached
                     heads[n] = True
                 elif ancestors is None:
                     # Otherwise, we're trying to discover the heads.
                     # Assume this is a head because if it isn't, the next step
                     # will eventually remove it.
                     heads[n] = True
                     # But, obviously its parents aren't.
                     for p in self.parents(n):
                         heads.pop(p, None)
         heads = [head for head, flag in heads.iteritems() if flag]
         roots = list(roots)
         assert orderedout
         assert roots
         assert heads
         return (orderedout, roots, heads)
 
     def headrevs(self):
         try:
             return self.index.headrevs()
         except AttributeError:
             return self._headrevs()
 
     def computephases(self, roots):
         return self.index.computephasesmapsets(roots)
 
     def _headrevs(self):
         count = len(self)
         if not count:
             return [nullrev]
         # we won't iter over filtered rev so nobody is a head at start
         ishead = [0] * (count + 1)
         index = self.index
         for r in self:
             ishead[r] = 1  # I may be an head
             e = index[r]
             ishead[e[5]] = ishead[e[6]] = 0  # my parent are not
         return [r for r, val in enumerate(ishead) if val]
 
     def heads(self, start=None, stop=None):
         """return the list of all nodes that have no children
 
         if start is specified, only heads that are descendants of
         start will be returned
         if stop is specified, it will consider all the revs from stop
         as if they had no children
         """
         if start is None and stop is None:
             if not len(self):
                 return [nullid]
             return [self.node(r) for r in self.headrevs()]
 
         if start is None:
             start = nullid
         if stop is None:
             stop = []
         stoprevs = set([self.rev(n) for n in stop])
         startrev = self.rev(start)
         reachable = {startrev}
         heads = {startrev}
 
         parentrevs = self.parentrevs
         for r in self.revs(start=startrev + 1):
             for p in parentrevs(r):
                 if p in reachable:
                     if r not in stoprevs:
                         reachable.add(r)
                     heads.add(r)
                 if p in heads and p not in stoprevs:
                     heads.remove(p)
 
         return [self.node(r) for r in heads]
 
     def children(self, node):
         """find the children of a given node"""
         c = []
         p = self.rev(node)
         for r in self.revs(start=p + 1):
             prevs = [pr for pr in self.parentrevs(r) if pr != nullrev]
             if prevs:
                 for pr in prevs:
                     if pr == p:
                         c.append(self.node(r))
             elif p == nullrev:
                 c.append(self.node(r))
         return c
 
     def descendant(self, start, end):
         if start == nullrev:
             return True
         for i in self.descendants([start]):
             if i == end:
                 return True
             elif i > end:
                 break
         return False
 
     def commonancestorsheads(self, a, b):
         """calculate all the heads of the common ancestors of nodes a and b"""
         a, b = self.rev(a), self.rev(b)
         try:
             ancs = self.index.commonancestorsheads(a, b)
         except (AttributeError, OverflowError): # C implementation failed
             ancs = ancestor.commonancestorsheads(self.parentrevs, a, b)
         return pycompat.maplist(self.node, ancs)
 
     def isancestor(self, a, b):
         """return True if node a is an ancestor of node b
 
         The implementation of this is trivial but the use of
         commonancestorsheads is not."""
         return a in self.commonancestorsheads(a, b)
 
     def ancestor(self, a, b):
         """calculate the "best" common ancestor of nodes a and b"""
 
         a, b = self.rev(a), self.rev(b)
         try:
             ancs = self.index.ancestors(a, b)
         except (AttributeError, OverflowError):
             ancs = ancestor.ancestors(self.parentrevs, a, b)
         if ancs:
             # choose a consistent winner when there's a tie
             return min(map(self.node, ancs))
         return nullid
 
     def _match(self, id):
         if isinstance(id, int):
             # rev
             return self.node(id)
         if len(id) == 20:
             # possibly a binary node
             # odds of a binary node being all hex in ASCII are 1 in 10**25
             try:
                 node = id
                 self.rev(node) # quick search the index
                 return node
             except LookupError:
                 pass # may be partial hex id
         try:
             # str(rev)
             rev = int(id)
             if "%d" % rev != id:
                 raise ValueError
             if rev < 0:
                 rev = len(self) + rev
             if rev < 0 or rev >= len(self):
                 raise ValueError
             return self.node(rev)
         except (ValueError, OverflowError):
             pass
         if len(id) == 40:
             try:
                 # a full hex nodeid?
                 node = bin(id)
                 self.rev(node)
                 return node
             except (TypeError, LookupError):
                 pass
 
     def _partialmatch(self, id):
         maybewdir = wdirhex.startswith(id)
         try:
             partial = self.index.partialmatch(id)
             if partial and self.hasnode(partial):
                 if maybewdir:
                     # single 'ff...' match in radix tree, ambiguous with wdir
                     raise RevlogError
                 return partial
             if maybewdir:
                 # no 'ff...' match in radix tree, wdir identified
                 raise error.WdirUnsupported
             return None
         except RevlogError:
             # parsers.c radix tree lookup gave multiple matches
             # fast path: for unfiltered changelog, radix tree is accurate
             if not getattr(self, 'filteredrevs', None):
                 raise LookupError(id, self.indexfile,
                                   _('ambiguous identifier'))
             # fall through to slow path that filters hidden revisions
         except (AttributeError, ValueError):
             # we are pure python, or key was too short to search radix tree
             pass
 
         if id in self._pcache:
             return self._pcache[id]
 
         if len(id) < 40:
             try:
                 # hex(node)[:...]
                 l = len(id) // 2  # grab an even number of digits
                 prefix = bin(id[:l * 2])
                 nl = [e[7] for e in self.index if e[7].startswith(prefix)]
                 nl = [n for n in nl if hex(n).startswith(id) and
                       self.hasnode(n)]
                 if len(nl) > 0:
                     if len(nl) == 1 and not maybewdir:
                         self._pcache[id] = nl[0]
                         return nl[0]
                     raise LookupError(id, self.indexfile,
                                       _('ambiguous identifier'))
                 if maybewdir:
                     raise error.WdirUnsupported
                 return None
             except TypeError:
                 pass
 
     def lookup(self, id):
         """locate a node based on:
             - revision number or str(revision number)
             - nodeid or subset of hex nodeid
         """
         n = self._match(id)
         if n is not None:
             return n
         n = self._partialmatch(id)
         if n:
             return n
 
         raise LookupError(id, self.indexfile, _('no match found'))
 
     def shortest(self, hexnode, minlength=1):
         """Find the shortest unambiguous prefix that matches hexnode."""
         def isvalid(test):
             try:
                 if self._partialmatch(test) is None:
                     return False
 
                 try:
                     i = int(test)
                     # if we are a pure int, then starting with zero will not be
                     # confused as a rev; or, obviously, if the int is larger
                     # than the value of the tip rev
                     if test[0] == '0' or i > len(self):
                         return True
                     return False
                 except ValueError:
                     return True
             except error.RevlogError:
                 return False
             except error.WdirUnsupported:
                 # single 'ff...' match
                 return True
 
         shortest = hexnode
         startlength = max(6, minlength)
         length = startlength
         while True:
             test = hexnode[:length]
             if isvalid(test):
                 shortest = test
                 if length == minlength or length > startlength:
                     return shortest
                 length -= 1
             else:
                 length += 1
                 if len(shortest) <= length:
                     return shortest
 
     def cmp(self, node, text):
         """compare text with a given file revision
 
         returns True if text is different than what is stored.
         """
         p1, p2 = self.parents(node)
         return hash(text, p1, p2) != node
 
     def _cachesegment(self, offset, data):
         """Add a segment to the revlog cache.
 
         Accepts an absolute offset and the data that is at that location.
         """
         o, d = self._chunkcache
         # try to add to existing cache
         if o + len(d) == offset and len(d) + len(data) < _chunksize:
             self._chunkcache = o, d + data
         else:
             self._chunkcache = offset, data
 
     def _readsegment(self, offset, length, df=None):
         """Load a segment of raw data from the revlog.
 
         Accepts an absolute offset, length to read, and an optional existing
         file handle to read from.
 
         If an existing file handle is passed, it will be seeked and the
         original seek position will NOT be restored.
 
         Returns a str or buffer of raw byte data.
         """
         # Cache data both forward and backward around the requested
         # data, in a fixed size window. This helps speed up operations
         # involving reading the revlog backwards.
         cachesize = self._chunkcachesize
         realoffset = offset & ~(cachesize - 1)
         reallength = (((offset + length + cachesize) & ~(cachesize - 1))
                       - realoffset)
         with self._datareadfp(df) as df:
             df.seek(realoffset)
             d = df.read(reallength)
         self._cachesegment(realoffset, d)
         if offset != realoffset or reallength != length:
             return util.buffer(d, offset - realoffset, length)
         return d
 
     def _getsegment(self, offset, length, df=None):
         """Obtain a segment of raw data from the revlog.
 
         Accepts an absolute offset, length of bytes to obtain, and an
         optional file handle to the already-opened revlog. If the file
         handle is used, it's original seek position will not be preserved.
 
         Requests for data may be returned from a cache.
 
         Returns a str or a buffer instance of raw byte data.
         """
         o, d = self._chunkcache
         l = len(d)
 
         # is it in the cache?
         cachestart = offset - o
         cacheend = cachestart + length
         if cachestart >= 0 and cacheend <= l:
             if cachestart == 0 and cacheend == l:
                 return d # avoid a copy
             return util.buffer(d, cachestart, cacheend - cachestart)
 
         return self._readsegment(offset, length, df=df)
 
     def _getsegmentforrevs(self, startrev, endrev, df=None):
         """Obtain a segment of raw data corresponding to a range of revisions.
 
         Accepts the start and end revisions and an optional already-open
         file handle to be used for reading. If the file handle is read, its
         seek position will not be preserved.
 
         Requests for data may be satisfied by a cache.
 
         Returns a 2-tuple of (offset, data) for the requested range of
         revisions. Offset is the integer offset from the beginning of the
         revlog and data is a str or buffer of the raw byte data.
 
         Callers will need to call ``self.start(rev)`` and ``self.length(rev)``
         to determine where each revision's data begins and ends.
         """
         # Inlined self.start(startrev) & self.end(endrev) for perf reasons
         # (functions are expensive).
         index = self.index
         istart = index[startrev]
         start = int(istart[0] >> 16)
         if startrev == endrev:
             end = start + istart[1]
         else:
             iend = index[endrev]
             end = int(iend[0] >> 16) + iend[1]
 
         if self._inline:
             start += (startrev + 1) * self._io.size
             end += (endrev + 1) * self._io.size
         length = end - start
 
         return start, self._getsegment(start, length, df=df)
 
     def _chunk(self, rev, df=None):
         """Obtain a single decompressed chunk for a revision.
 
         Accepts an integer revision and an optional already-open file handle
         to be used for reading. If used, the seek position of the file will not
         be preserved.
 
         Returns a str holding uncompressed data for the requested revision.
         """
         return self.decompress(self._getsegmentforrevs(rev, rev, df=df)[1])
 
     def _chunks(self, revs, df=None):
         """Obtain decompressed chunks for the specified revisions.
 
         Accepts an iterable of numeric revisions that are assumed to be in
         ascending order. Also accepts an optional already-open file handle
         to be used for reading. If used, the seek position of the file will
         not be preserved.
 
         This function is similar to calling ``self._chunk()`` multiple times,
         but is faster.
 
         Returns a list with decompressed data for each requested revision.
         """
         if not revs:
             return []
         start = self.start
         length = self.length
         inline = self._inline
         iosize = self._io.size
         buffer = util.buffer
 
         l = []
         ladd = l.append
 
         if not self._withsparseread:
             slicedchunks = (revs,)
         else:
             slicedchunks = _slicechunk(self, revs)
 
         for revschunk in slicedchunks:
             firstrev = revschunk[0]
             # Skip trailing revisions with empty diff
             for lastrev in revschunk[::-1]:
                 if length(lastrev) != 0:
                     break
 
             try:
                 offset, data = self._getsegmentforrevs(firstrev, lastrev, df=df)
             except OverflowError:
                 # issue4215 - we can't cache a run of chunks greater than
                 # 2G on Windows
                 return [self._chunk(rev, df=df) for rev in revschunk]
 
             decomp = self.decompress
             for rev in revschunk:
                 chunkstart = start(rev)
                 if inline:
                     chunkstart += (rev + 1) * iosize
                 chunklength = length(rev)
                 ladd(decomp(buffer(data, chunkstart - offset, chunklength)))
 
         return l
 
     def _chunkclear(self):
         """Clear the raw chunk cache."""
         self._chunkcache = (0, '')
 
     def deltaparent(self, rev):
         """return deltaparent of the given revision"""
         base = self.index[rev][3]
         if base == rev:
             return nullrev
         elif self._generaldelta:
             return base
         else:
             return rev - 1
 
     def revdiff(self, rev1, rev2):
         """return or calculate a delta between two revisions
 
         The delta calculated is in binary form and is intended to be written to
         revlog data directly. So this function needs raw revision data.
         """
         if rev1 != nullrev and self.deltaparent(rev2) == rev1:
             return bytes(self._chunk(rev2))
 
         return mdiff.textdiff(self.revision(rev1, raw=True),
                               self.revision(rev2, raw=True))
 
     def revision(self, nodeorrev, _df=None, raw=False):
         """return an uncompressed revision of a given node or revision
         number.
 
         _df - an existing file handle to read from. (internal-only)
         raw - an optional argument specifying if the revision data is to be
         treated as raw data when applying flag transforms. 'raw' should be set
         to True when generating changegroups or in debug commands.
         """
         if isinstance(nodeorrev, int):
             rev = nodeorrev
             node = self.node(rev)
         else:
             node = nodeorrev
             rev = None
 
         cachedrev = None
         flags = None
         rawtext = None
         if node == nullid:
             return ""
         if self._cache:
             if self._cache[0] == node:
                 # _cache only stores rawtext
                 if raw:
                     return self._cache[2]
                 # duplicated, but good for perf
                 if rev is None:
                     rev = self.rev(node)
                 if flags is None:
                     flags = self.flags(rev)
                 # no extra flags set, no flag processor runs, text = rawtext
                 if flags == REVIDX_DEFAULT_FLAGS:
                     return self._cache[2]
                 # rawtext is reusable. need to run flag processor
                 rawtext = self._cache[2]
 
             cachedrev = self._cache[1]
 
         # look up what we need to read
         if rawtext is None:
             if rev is None:
                 rev = self.rev(node)
 
             chain, stopped = self._deltachain(rev, stoprev=cachedrev)
             if stopped:
                 rawtext = self._cache[2]
 
             # drop cache to save memory
             self._cache = None
 
             bins = self._chunks(chain, df=_df)
             if rawtext is None:
                 rawtext = bytes(bins[0])
                 bins = bins[1:]
 
             rawtext = mdiff.patches(rawtext, bins)
             self._cache = (node, rev, rawtext)
 
         if flags is None:
             if rev is None:
                 rev = self.rev(node)
             flags = self.flags(rev)
 
         text, validatehash = self._processflags(rawtext, flags, 'read', raw=raw)
         if validatehash:
             self.checkhash(text, node, rev=rev)
 
         return text
 
     def hash(self, text, p1, p2):
         """Compute a node hash.
 
         Available as a function so that subclasses can replace the hash
         as needed.
         """
         return hash(text, p1, p2)
 
     def _processflags(self, text, flags, operation, raw=False):
         """Inspect revision data flags and applies transforms defined by
         registered flag processors.
 
         ``text`` - the revision data to process
         ``flags`` - the revision flags
         ``operation`` - the operation being performed (read or write)
         ``raw`` - an optional argument describing if the raw transform should be
         applied.
 
         This method processes the flags in the order (or reverse order if
         ``operation`` is 'write') defined by REVIDX_FLAGS_ORDER, applying the
         flag processors registered for present flags. The order of flags defined
         in REVIDX_FLAGS_ORDER needs to be stable to allow non-commutativity.
 
         Returns a 2-tuple of ``(text, validatehash)`` where ``text`` is the
         processed text and ``validatehash`` is a bool indicating whether the
         returned text should be checked for hash integrity.
 
         Note: If the ``raw`` argument is set, it has precedence over the
         operation and will only update the value of ``validatehash``.
         """
         # fast path: no flag processors will run
         if flags == 0:
             return text, True
         if not operation in ('read', 'write'):
             raise ProgrammingError(_("invalid '%s' operation ") % (operation))
         # Check all flags are known.
         if flags & ~REVIDX_KNOWN_FLAGS:
             raise RevlogError(_("incompatible revision flag '%#x'") %
                               (flags & ~REVIDX_KNOWN_FLAGS))
         validatehash = True
         # Depending on the operation (read or write), the order might be
         # reversed due to non-commutative transforms.
         orderedflags = REVIDX_FLAGS_ORDER
         if operation == 'write':
             orderedflags = reversed(orderedflags)
 
         for flag in orderedflags:
             # If a flagprocessor has been registered for a known flag, apply the
             # related operation transform and update result tuple.
             if flag & flags:
                 vhash = True
 
                 if flag not in _flagprocessors:
                     message = _("missing processor for flag '%#x'") % (flag)
                     raise RevlogError(message)
 
                 processor = _flagprocessors[flag]
                 if processor is not None:
                     readtransform, writetransform, rawtransform = processor
 
                     if raw:
                         vhash = rawtransform(self, text)
                     elif operation == 'read':
                         text, vhash = readtransform(self, text)
                     else: # write operation
                         text, vhash = writetransform(self, text)
                 validatehash = validatehash and vhash
 
         return text, validatehash
 
     def checkhash(self, text, node, p1=None, p2=None, rev=None):
         """Check node hash integrity.
 
         Available as a function so that subclasses can extend hash mismatch
         behaviors as needed.
         """
         if p1 is None and p2 is None:
             p1, p2 = self.parents(node)
         if node != self.hash(text, p1, p2):
             revornode = rev
             if revornode is None:
                 revornode = templatefilters.short(hex(node))
             raise RevlogError(_("integrity check failed on %s:%s")
                 % (self.indexfile, pycompat.bytestr(revornode)))
 
     def _enforceinlinesize(self, tr, fp=None):
         """Check if the revlog is too big for inline and convert if so.
 
         This should be called after revisions are added to the revlog. If the
         revlog has grown too large to be an inline revlog, it will convert it
         to use multiple index and data files.
         """
         if not self._inline or (self.start(-2) + self.length(-2)) < _maxinline:
             return
 
         trinfo = tr.find(self.indexfile)
         if trinfo is None:
             raise RevlogError(_("%s not found in the transaction")
                               % self.indexfile)
 
         trindex = trinfo[2]
         if trindex is not None:
             dataoff = self.start(trindex)
         else:
             # revlog was stripped at start of transaction, use all leftover data
             trindex = len(self) - 1
             dataoff = self.end(-2)
 
         tr.add(self.datafile, dataoff)
 
         if fp:
             fp.flush()
             fp.close()
 
         with self._datafp('w') as df:
             for r in self:
                 df.write(self._getsegmentforrevs(r, r)[1])
 
         with self._indexfp('w') as fp:
             self.version &= ~FLAG_INLINE_DATA
             self._inline = False
             io = self._io
             for i in self:
                 e = io.packentry(self.index[i], self.node, self.version, i)
                 fp.write(e)
 
             # the temp file replace the real index when we exit the context
             # manager
 
         tr.replace(self.indexfile, trindex * self._io.size)
         self._chunkclear()
 
     def addrevision(self, text, transaction, link, p1, p2, cachedelta=None,
                     node=None, flags=REVIDX_DEFAULT_FLAGS, deltacomputer=None):
         """add a revision to the log
 
         text - the revision data to add
         transaction - the transaction object used for rollback
         link - the linkrev data to add
         p1, p2 - the parent nodeids of the revision
         cachedelta - an optional precomputed delta
         node - nodeid of revision; typically node is not specified, and it is
             computed by default as hash(text, p1, p2), however subclasses might
             use different hashing method (and override checkhash() in such case)
         flags - the known flags to set on the revision
         deltacomputer - an optional _deltacomputer instance shared between
             multiple calls
         """
         if link == nullrev:
             raise RevlogError(_("attempted to add linkrev -1 to %s")
                               % self.indexfile)
 
         if flags:
             node = node or self.hash(text, p1, p2)
 
         rawtext, validatehash = self._processflags(text, flags, 'write')
 
         # If the flag processor modifies the revision data, ignore any provided
         # cachedelta.
         if rawtext != text:
             cachedelta = None
 
         if len(rawtext) > _maxentrysize:
             raise RevlogError(
                 _("%s: size of %d bytes exceeds maximum revlog storage of 2GiB")
                 % (self.indexfile, len(rawtext)))
 
         node = node or self.hash(rawtext, p1, p2)
         if node in self.nodemap:
             return node
 
         if validatehash:
             self.checkhash(rawtext, node, p1=p1, p2=p2)
 
         return self.addrawrevision(rawtext, transaction, link, p1, p2, node,
                                    flags, cachedelta=cachedelta,
                                    deltacomputer=deltacomputer)
 
     def addrawrevision(self, rawtext, transaction, link, p1, p2, node, flags,
                        cachedelta=None, deltacomputer=None):
         """add a raw revision with known flags, node and parents
         useful when reusing a revision not stored in this revlog (ex: received
         over wire, or read from an external bundle).
         """
         dfh = None
         if not self._inline:
             dfh = self._datafp("a+")
         ifh = self._indexfp("a+")
         try:
             return self._addrevision(node, rawtext, transaction, link, p1, p2,
                                      flags, cachedelta, ifh, dfh,
                                      deltacomputer=deltacomputer)
         finally:
             if dfh:
                 dfh.close()
             ifh.close()
 
     def compress(self, data):
         """Generate a possibly-compressed representation of data."""
         if not data:
             return '', data
 
         compressed = self._compressor.compress(data)
 
         if compressed:
             # The revlog compressor added the header in the returned data.
             return '', compressed
 
         if data[0:1] == '\0':
             return '', data
         return 'u', data
 
     def decompress(self, data):
         """Decompress a revlog chunk.
 
         The chunk is expected to begin with a header identifying the
         format type so it can be routed to an appropriate decompressor.
         """
         if not data:
             return data
 
         # Revlogs are read much more frequently than they are written and many
         # chunks only take microseconds to decompress, so performance is
         # important here.
         #
         # We can make a few assumptions about revlogs:
         #
         # 1) the majority of chunks will be compressed (as opposed to inline
         #    raw data).
         # 2) decompressing *any* data will likely by at least 10x slower than
         #    returning raw inline data.
         # 3) we want to prioritize common and officially supported compression
         #    engines
         #
         # It follows that we want to optimize for "decompress compressed data
         # when encoded with common and officially supported compression engines"
         # case over "raw data" and "data encoded by less common or non-official
         # compression engines." That is why we have the inline lookup first
         # followed by the compengines lookup.
         #
         # According to `hg perfrevlogchunks`, this is ~0.5% faster for zlib
         # compressed chunks. And this matters for changelog and manifest reads.
         t = data[0:1]
 
         if t == 'x':
             try:
                 return _zlibdecompress(data)
             except zlib.error as e:
                 raise RevlogError(_('revlog decompress error: %s') %
                                   util.forcebytestr(e))
         # '\0' is more common than 'u' so it goes first.
         elif t == '\0':
             return data
         elif t == 'u':
             return util.buffer(data, 1)
 
         try:
             compressor = self._decompressors[t]
         except KeyError:
             try:
                 engine = util.compengines.forrevlogheader(t)
                 compressor = engine.revlogcompressor()
                 self._decompressors[t] = compressor
             except KeyError:
                 raise RevlogError(_('unknown compression type %r') % t)
 
         return compressor.decompress(data)
 
     def _isgooddeltainfo(self, d, textlen):
         """Returns True if the given delta is good. Good means that it is within
         the disk span, disk size, and chain length bounds that we know to be
         performant."""
         if d is None:
             return False
 
         # - 'd.distance' is the distance from the base revision -- bounding it
         #   limits the amount of I/O we need to do.
         # - 'd.compresseddeltalen' is the sum of the total size of deltas we
         #   need to apply -- bounding it limits the amount of CPU we consume.
 
         defaultmax = textlen * 4
         maxdist = self._maxdeltachainspan
         if not maxdist:
             maxdist = d.distance # ensure the conditional pass
         maxdist = max(maxdist, defaultmax)
         if (d.distance > maxdist or d.deltalen > textlen or
             d.compresseddeltalen > textlen * 2 or
             (self._maxchainlen and d.chainlen > self._maxchainlen)):
             return False
 
         return True
 
     def _addrevision(self, node, rawtext, transaction, link, p1, p2, flags,
                      cachedelta, ifh, dfh, alwayscache=False,
                      deltacomputer=None):
         """internal function to add revisions to the log
 
         see addrevision for argument descriptions.
 
         note: "addrevision" takes non-raw text, "_addrevision" takes raw text.
 
         if "deltacomputer" is not provided or None, a defaultdeltacomputer will
         be used.
 
         invariants:
         - rawtext is optional (can be None); if not set, cachedelta must be set.
           if both are set, they must correspond to each other.
         """
         if node == nullid:
             raise RevlogError(_("%s: attempt to add null revision") %
                               (self.indexfile))
         if node == wdirid:
             raise RevlogError(_("%s: attempt to add wdir revision") %
                               (self.indexfile))
 
         if self._inline:
             fh = ifh
         else:
             fh = dfh
 
         btext = [rawtext]
 
         curr = len(self)
         prev = curr - 1
         offset = self.end(prev)
         p1r, p2r = self.rev(p1), self.rev(p2)
 
         # full versions are inserted when the needed deltas
         # become comparable to the uncompressed text
         if rawtext is None:
-            textlen = mdiff.patchedsize(self.rawsize(cachedelta[0]),
+            # need rawtext size, before changed by flag processors, which is
+            # the non-raw size. use revlog explicitly to avoid filelog's extra
+            # logic that might remove metadata size.
+            textlen = mdiff.patchedsize(revlog.size(self, cachedelta[0]),
                                         cachedelta[1])
         else:
             textlen = len(rawtext)
 
         if deltacomputer is None:
             deltacomputer = _deltacomputer(self)
 
         revinfo = _revisioninfo(node, p1, p2, btext, textlen, cachedelta, flags)
-        deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
+
+        # no delta for flag processor revision (see "candelta" for why)
+        # not calling candelta since only one revision needs test, also to
+        # avoid overhead fetching flags again.
+        if flags & REVIDX_RAWTEXT_CHANGING_FLAGS:
+            deltainfo = None
+        else:
+            deltainfo = deltacomputer.finddeltainfo(revinfo, fh)
 
         if deltainfo is not None:
             base = deltainfo.base
             chainbase = deltainfo.chainbase
             data = deltainfo.data
             l = deltainfo.deltalen
         else:
             rawtext = deltacomputer.buildtext(revinfo, fh)
             data = self.compress(rawtext)
             l = len(data[1]) + len(data[0])
             base = chainbase = curr
 
         e = (offset_type(offset, flags), l, textlen,
              base, link, p1r, p2r, node)
         self.index.insert(-1, e)
         self.nodemap[node] = curr
 
         entry = self._io.packentry(e, self.node, self.version, curr)
         self._writeentry(transaction, ifh, dfh, entry, data, link, offset)
 
         if alwayscache and rawtext is None:
             rawtext = deltacomputer._buildtext(revinfo, fh)
 
         if type(rawtext) == bytes: # only accept immutable objects
             self._cache = (node, curr, rawtext)
         self._chainbasecache[curr] = chainbase
         return node
 
     def _writeentry(self, transaction, ifh, dfh, entry, data, link, offset):
         # Files opened in a+ mode have inconsistent behavior on various
         # platforms. Windows requires that a file positioning call be made
         # when the file handle transitions between reads and writes. See
         # 3686fa2b8eee and the mixedfilemodewrapper in windows.py. On other
         # platforms, Python or the platform itself can be buggy. Some versions
         # of Solaris have been observed to not append at the end of the file
         # if the file was seeked to before the end. See issue4943 for more.
         #
         # We work around this issue by inserting a seek() before writing.
         # Note: This is likely not necessary on Python 3.
         ifh.seek(0, os.SEEK_END)
         if dfh:
             dfh.seek(0, os.SEEK_END)
 
         curr = len(self) - 1
         if not self._inline:
             transaction.add(self.datafile, offset)
             transaction.add(self.indexfile, curr * len(entry))
             if data[0]:
                 dfh.write(data[0])
             dfh.write(data[1])
             ifh.write(entry)
         else:
             offset += curr * self._io.size
             transaction.add(self.indexfile, offset, curr)
             ifh.write(entry)
             ifh.write(data[0])
             ifh.write(data[1])
             self._enforceinlinesize(transaction, ifh)
 
     def addgroup(self, deltas, linkmapper, transaction, addrevisioncb=None):
         """
         add a delta group
 
         given a set of deltas, add them to the revision log. the
         first delta is against its parent, which should be in our
         log, the rest are against the previous delta.
 
         If ``addrevisioncb`` is defined, it will be called with arguments of
         this revlog and the node that was added.
         """
 
         nodes = []
 
         r = len(self)
         end = 0
         if r:
             end = self.end(r - 1)
         ifh = self._indexfp("a+")
         isize = r * self._io.size
         if self._inline:
             transaction.add(self.indexfile, end + isize, r)
             dfh = None
         else:
             transaction.add(self.indexfile, isize, r)
             transaction.add(self.datafile, end)
             dfh = self._datafp("a+")
         def flush():
             if dfh:
                 dfh.flush()
             ifh.flush()
         try:
             deltacomputer = _deltacomputer(self)
             # loop through our set of deltas
             for data in deltas:
                 node, p1, p2, linknode, deltabase, delta, flags = data
                 link = linkmapper(linknode)
                 flags = flags or REVIDX_DEFAULT_FLAGS
 
                 nodes.append(node)
 
                 if node in self.nodemap:
                     # this can happen if two branches make the same change
                     continue
 
                 for p in (p1, p2):
                     if p not in self.nodemap:
                         raise LookupError(p, self.indexfile,
                                           _('unknown parent'))
 
                 if deltabase not in self.nodemap:
                     raise LookupError(deltabase, self.indexfile,
                                       _('unknown delta base'))
 
                 baserev = self.rev(deltabase)
 
                 if baserev != nullrev and self.iscensored(baserev):
                     # if base is censored, delta must be full replacement in a
                     # single patch operation
                     hlen = struct.calcsize(">lll")
                     oldlen = self.rawsize(baserev)
                     newlen = len(delta) - hlen
                     if delta[:hlen] != mdiff.replacediffheader(oldlen, newlen):
                         raise error.CensoredBaseError(self.indexfile,
                                                       self.node(baserev))
 
                 if not flags and self._peek_iscensored(baserev, delta, flush):
                     flags |= REVIDX_ISCENSORED
 
                 # We assume consumers of addrevisioncb will want to retrieve
                 # the added revision, which will require a call to
                 # revision(). revision() will fast path if there is a cache
                 # hit. So, we tell _addrevision() to always cache in this case.
                 # We're only using addgroup() in the context of changegroup
                 # generation so the revision data can always be handled as raw
                 # by the flagprocessor.
                 self._addrevision(node, None, transaction, link,
                                   p1, p2, flags, (baserev, delta),
                                   ifh, dfh,
                                   alwayscache=bool(addrevisioncb),
                                   deltacomputer=deltacomputer)
 
                 if addrevisioncb:
                     addrevisioncb(self, node)
 
                 if not dfh and not self._inline:
                     # addrevision switched from inline to conventional
                     # reopen the index
                     ifh.close()
                     dfh = self._datafp("a+")
                     ifh = self._indexfp("a+")
         finally:
             if dfh:
                 dfh.close()
             ifh.close()
 
         return nodes
 
     def iscensored(self, rev):
         """Check if a file revision is censored."""
         return False
 
     def _peek_iscensored(self, baserev, delta, flush):
         """Quickly check if a delta produces a censored revision."""
         return False
 
     def getstrippoint(self, minlink):
         """find the minimum rev that must be stripped to strip the linkrev
 
         Returns a tuple containing the minimum rev and a set of all revs that
         have linkrevs that will be broken by this strip.
         """
         brokenrevs = set()
         strippoint = len(self)
 
         heads = {}
         futurelargelinkrevs = set()
         for head in self.headrevs():
             headlinkrev = self.linkrev(head)
             heads[head] = headlinkrev
             if headlinkrev >= minlink:
                 futurelargelinkrevs.add(headlinkrev)
 
         # This algorithm involves walking down the rev graph, starting at the
         # heads. Since the revs are topologically sorted according to linkrev,
         # once all head linkrevs are below the minlink, we know there are
         # no more revs that could have a linkrev greater than minlink.
         # So we can stop walking.
         while futurelargelinkrevs:
             strippoint -= 1
             linkrev = heads.pop(strippoint)
 
             if linkrev < minlink:
                 brokenrevs.add(strippoint)
             else:
                 futurelargelinkrevs.remove(linkrev)
 
             for p in self.parentrevs(strippoint):
                 if p != nullrev:
                     plinkrev = self.linkrev(p)
                     heads[p] = plinkrev
                     if plinkrev >= minlink:
                         futurelargelinkrevs.add(plinkrev)
 
         return strippoint, brokenrevs
 
     def strip(self, minlink, transaction):
         """truncate the revlog on the first revision with a linkrev >= minlink
 
         This function is called when we're stripping revision minlink and
         its descendants from the repository.
 
         We have to remove all revisions with linkrev >= minlink, because
         the equivalent changelog revisions will be renumbered after the
         strip.
 
         So we truncate the revlog on the first of these revisions, and
         trust that the caller has saved the revisions that shouldn't be
         removed and that it'll re-add them after this truncation.
         """
         if len(self) == 0:
             return
 
         rev, _ = self.getstrippoint(minlink)
         if rev == len(self):
             return
 
         # first truncate the files on disk
         end = self.start(rev)
         if not self._inline:
             transaction.add(self.datafile, end)
             end = rev * self._io.size
         else:
             end += rev * self._io.size
 
         transaction.add(self.indexfile, end)
 
         # then reset internal state in memory to forget those revisions
         self._cache = None
         self._chaininfocache = {}
         self._chunkclear()
         for x in xrange(rev, len(self)):
             del self.nodemap[self.node(x)]
 
         del self.index[rev:-1]
 
     def checksize(self):
         expected = 0
         if len(self):
             expected = max(0, self.end(len(self) - 1))
 
         try:
             with self._datafp() as f:
                 f.seek(0, 2)
                 actual = f.tell()
             dd = actual - expected
         except IOError as inst:
             if inst.errno != errno.ENOENT:
                 raise
             dd = 0
 
         try:
             f = self.opener(self.indexfile)
             f.seek(0, 2)
             actual = f.tell()
             f.close()
             s = self._io.size
             i = max(0, actual // s)
             di = actual - (i * s)
             if self._inline:
                 databytes = 0
                 for r in self:
                     databytes += max(0, self.length(r))
                 dd = 0
                 di = actual - len(self) * s - databytes
         except IOError as inst:
             if inst.errno != errno.ENOENT:
                 raise
             di = 0
 
         return (dd, di)
 
     def files(self):
         res = [self.indexfile]
         if not self._inline:
             res.append(self.datafile)
         return res
 
     DELTAREUSEALWAYS = 'always'
     DELTAREUSESAMEREVS = 'samerevs'
     DELTAREUSENEVER = 'never'
 
     DELTAREUSEFULLADD = 'fulladd'
 
     DELTAREUSEALL = {'always', 'samerevs', 'never', 'fulladd'}
 
     def clone(self, tr, destrevlog, addrevisioncb=None,
               deltareuse=DELTAREUSESAMEREVS, aggressivemergedeltas=None):
         """Copy this revlog to another, possibly with format changes.
 
         The destination revlog will contain the same revisions and nodes.
         However, it may not be bit-for-bit identical due to e.g. delta encoding
         differences.
 
         The ``deltareuse`` argument control how deltas from the existing revlog
         are preserved in the destination revlog. The argument can have the
         following values:
 
         DELTAREUSEALWAYS
            Deltas will always be reused (if possible), even if the destination
            revlog would not select the same revisions for the delta. This is the
            fastest mode of operation.
         DELTAREUSESAMEREVS
            Deltas will be reused if the destination revlog would pick the same
            revisions for the delta. This mode strikes a balance between speed
            and optimization.
         DELTAREUSENEVER
            Deltas will never be reused. This is the slowest mode of execution.
            This mode can be used to recompute deltas (e.g. if the diff/delta
            algorithm changes).
 
         Delta computation can be slow, so the choice of delta reuse policy can
         significantly affect run time.
 
         The default policy (``DELTAREUSESAMEREVS``) strikes a balance between
         two extremes. Deltas will be reused if they are appropriate. But if the
         delta could choose a better revision, it will do so. This means if you
         are converting a non-generaldelta revlog to a generaldelta revlog,
         deltas will be recomputed if the delta's parent isn't a parent of the
         revision.
 
         In addition to the delta policy, the ``aggressivemergedeltas`` argument
         controls whether to compute deltas against both parents for merges.
         By default, the current default is used.
         """
         if deltareuse not in self.DELTAREUSEALL:
             raise ValueError(_('value for deltareuse invalid: %s') % deltareuse)
 
         if len(destrevlog):
             raise ValueError(_('destination revlog is not empty'))
 
         if getattr(self, 'filteredrevs', None):
             raise ValueError(_('source revlog has filtered revisions'))
         if getattr(destrevlog, 'filteredrevs', None):
             raise ValueError(_('destination revlog has filtered revisions'))
 
         # lazydeltabase controls whether to reuse a cached delta, if possible.
         oldlazydeltabase = destrevlog._lazydeltabase
         oldamd = destrevlog._aggressivemergedeltas
 
         try:
             if deltareuse == self.DELTAREUSEALWAYS:
                 destrevlog._lazydeltabase = True
             elif deltareuse == self.DELTAREUSESAMEREVS:
                 destrevlog._lazydeltabase = False
 
             destrevlog._aggressivemergedeltas = aggressivemergedeltas or oldamd
 
             populatecachedelta = deltareuse in (self.DELTAREUSEALWAYS,
                                                 self.DELTAREUSESAMEREVS)
 
             deltacomputer = _deltacomputer(destrevlog)
             index = self.index
             for rev in self:
                 entry = index[rev]
 
                 # Some classes override linkrev to take filtered revs into
                 # account. Use raw entry from index.
                 flags = entry[0] & 0xffff
                 linkrev = entry[4]
                 p1 = index[entry[5]][7]
                 p2 = index[entry[6]][7]
                 node = entry[7]
 
                 # (Possibly) reuse the delta from the revlog if allowed and
                 # the revlog chunk is a delta.
                 cachedelta = None
                 rawtext = None
                 if populatecachedelta:
                     dp = self.deltaparent(rev)
                     if dp != nullrev:
                         cachedelta = (dp, bytes(self._chunk(rev)))
 
                 if not cachedelta:
                     rawtext = self.revision(rev, raw=True)
 
 
                 if deltareuse == self.DELTAREUSEFULLADD:
                     destrevlog.addrevision(rawtext, tr, linkrev, p1, p2,
                                            cachedelta=cachedelta,
                                            node=node, flags=flags,
                                            deltacomputer=deltacomputer)
                 else:
                     ifh = destrevlog.opener(destrevlog.indexfile, 'a+',
                                             checkambig=False)
                     dfh = None
                     if not destrevlog._inline:
                         dfh = destrevlog.opener(destrevlog.datafile, 'a+')
                     try:
                         destrevlog._addrevision(node, rawtext, tr, linkrev, p1,
                                                 p2, flags, cachedelta, ifh, dfh,
                                                 deltacomputer=deltacomputer)
                     finally:
                         if dfh:
                             dfh.close()
                         ifh.close()
 
                 if addrevisioncb:
                     addrevisioncb(self, rev, node)
         finally:
             destrevlog._lazydeltabase = oldlazydeltabase
             destrevlog._aggressivemergedeltas = oldamd

mercurial/wireproto.py

@@ -1,1091 +1,1126 b''
 # wireproto.py - generic wire protocol support functions
 #
 # Copyright 2005-2010 Matt Mackall <[e-mail]>
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 
 from __future__ import absolute_import
 
 import hashlib
 import os
 import tempfile
 
 from .i18n import _
 from .node import (
     bin,
     hex,
     nullid,
 )
 
 from . import (
     bundle2,
     changegroup as changegroupmod,
     discovery,
     encoding,
     error,
     exchange,
     peer,
     pushkey as pushkeymod,
     pycompat,
     repository,
     streamclone,
     util,
     wireprototypes,
 )
 
 urlerr = util.urlerr
 urlreq = util.urlreq
 
 bytesresponse = wireprototypes.bytesresponse
 ooberror = wireprototypes.ooberror
 pushres = wireprototypes.pushres
 pusherr = wireprototypes.pusherr
 streamres = wireprototypes.streamres
 streamres_legacy = wireprototypes.streamreslegacy
 
 bundle2requiredmain = _('incompatible Mercurial client; bundle2 required')
 bundle2requiredhint = _('see https://www.mercurial-scm.org/wiki/'
                         'IncompatibleClient')
 bundle2required = '%s\n(%s)\n' % (bundle2requiredmain, bundle2requiredhint)
 
 class remoteiterbatcher(peer.iterbatcher):
     def __init__(self, remote):
         super(remoteiterbatcher, self).__init__()
         self._remote = remote
 
     def __getattr__(self, name):
         # Validate this method is batchable, since submit() only supports
         # batchable methods.
         fn = getattr(self._remote, name)
         if not getattr(fn, 'batchable', None):
             raise error.ProgrammingError('Attempted to batch a non-batchable '
                                          'call to %r' % name)
 
         return super(remoteiterbatcher, self).__getattr__(name)
 
     def submit(self):
         """Break the batch request into many patch calls and pipeline them.
 
         This is mostly valuable over http where request sizes can be
         limited, but can be used in other places as well.
         """
         # 2-tuple of (command, arguments) that represents what will be
         # sent over the wire.
         requests = []
 
         # 4-tuple of (command, final future, @batchable generator, remote
         # future).
         results = []
 
         for command, args, opts, finalfuture in self.calls:
             mtd = getattr(self._remote, command)
             batchable = mtd.batchable(mtd.__self__, *args, **opts)
 
             commandargs, fremote = next(batchable)
             assert fremote
             requests.append((command, commandargs))
             results.append((command, finalfuture, batchable, fremote))
 
         if requests:
             self._resultiter = self._remote._submitbatch(requests)
 
         self._results = results
 
     def results(self):
         for command, finalfuture, batchable, remotefuture in self._results:
             # Get the raw result, set it in the remote future, feed it
             # back into the @batchable generator so it can be decoded, and
             # set the result on the final future to this value.
             remoteresult = next(self._resultiter)
             remotefuture.set(remoteresult)
             finalfuture.set(next(batchable))
 
             # Verify our @batchable generators only emit 2 values.
             try:
                 next(batchable)
             except StopIteration:
                 pass
             else:
                 raise error.ProgrammingError('%s @batchable generator emitted '
                                              'unexpected value count' % command)
 
             yield finalfuture.value
 
 # Forward a couple of names from peer to make wireproto interactions
 # slightly more sensible.
 batchable = peer.batchable
 future = peer.future
 
 # list of nodes encoding / decoding
 
 def decodelist(l, sep=' '):
     if l:
         return [bin(v) for v in  l.split(sep)]
     return []
 
 def encodelist(l, sep=' '):
     try:
         return sep.join(map(hex, l))
     except TypeError:
         raise
 
 # batched call argument encoding
 
 def escapearg(plain):
     return (plain
             .replace(':', ':c')
             .replace(',', ':o')
             .replace(';', ':s')
             .replace('=', ':e'))
 
 def unescapearg(escaped):
     return (escaped
             .replace(':e', '=')
             .replace(':s', ';')
             .replace(':o', ',')
             .replace(':c', ':'))
 
 def encodebatchcmds(req):
     """Return a ``cmds`` argument value for the ``batch`` command."""
     cmds = []
     for op, argsdict in req:
         # Old servers didn't properly unescape argument names. So prevent
         # the sending of argument names that may not be decoded properly by
         # servers.
         assert all(escapearg(k) == k for k in argsdict)
 
         args = ','.join('%s=%s' % (escapearg(k), escapearg(v))
                         for k, v in argsdict.iteritems())
         cmds.append('%s %s' % (op, args))
 
     return ';'.join(cmds)
 
 # mapping of options accepted by getbundle and their types
 #
 # Meant to be extended by extensions. It is extensions responsibility to ensure
 # such options are properly processed in exchange.getbundle.
 #
 # supported types are:
 #
 # :nodes: list of binary nodes
 # :csv:   list of comma-separated values
 # :scsv:  list of comma-separated values return as set
 # :plain: string with no transformation needed.
 gboptsmap = {'heads':  'nodes',
              'bookmarks': 'boolean',
              'common': 'nodes',
              'obsmarkers': 'boolean',
              'phases': 'boolean',
              'bundlecaps': 'scsv',
              'listkeys': 'csv',
              'cg': 'boolean',
              'cbattempted': 'boolean',
              'stream': 'boolean',
 }
 
 # client side
 
 class wirepeer(repository.legacypeer):
     """Client-side interface for communicating with a peer repository.
 
     Methods commonly call wire protocol commands of the same name.
 
     See also httppeer.py and sshpeer.py for protocol-specific
     implementations of this interface.
     """
     # Begin of basewirepeer interface.
 
     def iterbatch(self):
         return remoteiterbatcher(self)
 
     @batchable
     def lookup(self, key):
         self.requirecap('lookup', _('look up remote revision'))
         f = future()
         yield {'key': encoding.fromlocal(key)}, f
         d = f.value
         success, data = d[:-1].split(" ", 1)
         if int(success):
             yield bin(data)
         else:
             self._abort(error.RepoError(data))
 
     @batchable
     def heads(self):
         f = future()
         yield {}, f
         d = f.value
         try:
             yield decodelist(d[:-1])
         except ValueError:
             self._abort(error.ResponseError(_("unexpected response:"), d))
 
     @batchable
     def known(self, nodes):
         f = future()
         yield {'nodes': encodelist(nodes)}, f
         d = f.value
         try:
             yield [bool(int(b)) for b in d]
         except ValueError:
             self._abort(error.ResponseError(_("unexpected response:"), d))
 
     @batchable
     def branchmap(self):
         f = future()
         yield {}, f
         d = f.value
         try:
             branchmap = {}
             for branchpart in d.splitlines():
                 branchname, branchheads = branchpart.split(' ', 1)
                 branchname = encoding.tolocal(urlreq.unquote(branchname))
                 branchheads = decodelist(branchheads)
                 branchmap[branchname] = branchheads
             yield branchmap
         except TypeError:
             self._abort(error.ResponseError(_("unexpected response:"), d))
 
     @batchable
     def listkeys(self, namespace):
         if not self.capable('pushkey'):
             yield {}, None
         f = future()
         self.ui.debug('preparing listkeys for "%s"\n' % namespace)
         yield {'namespace': encoding.fromlocal(namespace)}, f
         d = f.value
         self.ui.debug('received listkey for "%s": %i bytes\n'
                       % (namespace, len(d)))
         yield pushkeymod.decodekeys(d)
 
     @batchable
     def pushkey(self, namespace, key, old, new):
         if not self.capable('pushkey'):
             yield False, None
         f = future()
         self.ui.debug('preparing pushkey for "%s:%s"\n' % (namespace, key))
         yield {'namespace': encoding.fromlocal(namespace),
                'key': encoding.fromlocal(key),
                'old': encoding.fromlocal(old),
                'new': encoding.fromlocal(new)}, f
         d = f.value
         d, output = d.split('\n', 1)
         try:
             d = bool(int(d))
         except ValueError:
             raise error.ResponseError(
                 _('push failed (unexpected response):'), d)
         for l in output.splitlines(True):
             self.ui.status(_('remote: '), l)
         yield d
 
     def stream_out(self):
         return self._callstream('stream_out')
 
     def getbundle(self, source, **kwargs):
         kwargs = pycompat.byteskwargs(kwargs)
         self.requirecap('getbundle', _('look up remote changes'))
         opts = {}
         bundlecaps = kwargs.get('bundlecaps')
         if bundlecaps is not None:
             kwargs['bundlecaps'] = sorted(bundlecaps)
         else:
             bundlecaps = () # kwargs could have it to None
         for key, value in kwargs.iteritems():
             if value is None:
                 continue
             keytype = gboptsmap.get(key)
             if keytype is None:
                 raise error.ProgrammingError(
                     'Unexpectedly None keytype for key %s' % key)
             elif keytype == 'nodes':
                 value = encodelist(value)
             elif keytype in ('csv', 'scsv'):
                 value = ','.join(value)
             elif keytype == 'boolean':
                 value = '%i' % bool(value)
             elif keytype != 'plain':
                 raise KeyError('unknown getbundle option type %s'
                                % keytype)
             opts[key] = value
         f = self._callcompressable("getbundle", **pycompat.strkwargs(opts))
         if any((cap.startswith('HG2') for cap in bundlecaps)):
             return bundle2.getunbundler(self.ui, f)
         else:
             return changegroupmod.cg1unpacker(f, 'UN')
 
     def unbundle(self, cg, heads, url):
         '''Send cg (a readable file-like object representing the
         changegroup to push, typically a chunkbuffer object) to the
         remote server as a bundle.
 
         When pushing a bundle10 stream, return an integer indicating the
         result of the push (see changegroup.apply()).
 
         When pushing a bundle20 stream, return a bundle20 stream.
 
         `url` is the url the client thinks it's pushing to, which is
         visible to hooks.
         '''
 
         if heads != ['force'] and self.capable('unbundlehash'):
             heads = encodelist(['hashed',
                                 hashlib.sha1(''.join(sorted(heads))).digest()])
         else:
             heads = encodelist(heads)
 
         if util.safehasattr(cg, 'deltaheader'):
             # this a bundle10, do the old style call sequence
             ret, output = self._callpush("unbundle", cg, heads=heads)
             if ret == "":
                 raise error.ResponseError(
                     _('push failed:'), output)
             try:
                 ret = int(ret)
             except ValueError:
                 raise error.ResponseError(
                     _('push failed (unexpected response):'), ret)
 
             for l in output.splitlines(True):
                 self.ui.status(_('remote: '), l)
         else:
             # bundle2 push. Send a stream, fetch a stream.
             stream = self._calltwowaystream('unbundle', cg, heads=heads)
             ret = bundle2.getunbundler(self.ui, stream)
         return ret
 
     # End of basewirepeer interface.
 
     # Begin of baselegacywirepeer interface.
 
     def branches(self, nodes):
         n = encodelist(nodes)
         d = self._call("branches", nodes=n)
         try:
             br = [tuple(decodelist(b)) for b in d.splitlines()]
             return br
         except ValueError:
             self._abort(error.ResponseError(_("unexpected response:"), d))
 
     def between(self, pairs):
         batch = 8 # avoid giant requests
         r = []
         for i in xrange(0, len(pairs), batch):
             n = " ".join([encodelist(p, '-') for p in pairs[i:i + batch]])
             d = self._call("between", pairs=n)
             try:
                 r.extend(l and decodelist(l) or [] for l in d.splitlines())
             except ValueError:
                 self._abort(error.ResponseError(_("unexpected response:"), d))
         return r
 
     def changegroup(self, nodes, kind):
         n = encodelist(nodes)
         f = self._callcompressable("changegroup", roots=n)
         return changegroupmod.cg1unpacker(f, 'UN')
 
     def changegroupsubset(self, bases, heads, kind):
         self.requirecap('changegroupsubset', _('look up remote changes'))
         bases = encodelist(bases)
         heads = encodelist(heads)
         f = self._callcompressable("changegroupsubset",
                                    bases=bases, heads=heads)
         return changegroupmod.cg1unpacker(f, 'UN')
 
     # End of baselegacywirepeer interface.
 
     def _submitbatch(self, req):
         """run batch request <req> on the server
 
         Returns an iterator of the raw responses from the server.
         """
         rsp = self._callstream("batch", cmds=encodebatchcmds(req))
         chunk = rsp.read(1024)
         work = [chunk]
         while chunk:
             while ';' not in chunk and chunk:
                 chunk = rsp.read(1024)
                 work.append(chunk)
             merged = ''.join(work)
             while ';' in merged:
                 one, merged = merged.split(';', 1)
                 yield unescapearg(one)
             chunk = rsp.read(1024)
             work = [merged, chunk]
         yield unescapearg(''.join(work))
 
     def _submitone(self, op, args):
         return self._call(op, **pycompat.strkwargs(args))
 
     def debugwireargs(self, one, two, three=None, four=None, five=None):
         # don't pass optional arguments left at their default value
         opts = {}
         if three is not None:
             opts[r'three'] = three
         if four is not None:
             opts[r'four'] = four
         return self._call('debugwireargs', one=one, two=two, **opts)
 
     def _call(self, cmd, **args):
         """execute <cmd> on the server
 
         The command is expected to return a simple string.
 
         returns the server reply as a string."""
         raise NotImplementedError()
 
     def _callstream(self, cmd, **args):
         """execute <cmd> on the server
 
         The command is expected to return a stream. Note that if the
         command doesn't return a stream, _callstream behaves
         differently for ssh and http peers.
 
         returns the server reply as a file like object.
         """
         raise NotImplementedError()
 
     def _callcompressable(self, cmd, **args):
         """execute <cmd> on the server
 
         The command is expected to return a stream.
 
         The stream may have been compressed in some implementations. This
         function takes care of the decompression. This is the only difference
         with _callstream.
 
         returns the server reply as a file like object.
         """
         raise NotImplementedError()
 
     def _callpush(self, cmd, fp, **args):
         """execute a <cmd> on server
 
         The command is expected to be related to a push. Push has a special
         return method.
 
         returns the server reply as a (ret, output) tuple. ret is either
         empty (error) or a stringified int.
         """
         raise NotImplementedError()
 
     def _calltwowaystream(self, cmd, fp, **args):
         """execute <cmd> on server
 
         The command will send a stream to the server and get a stream in reply.
         """
         raise NotImplementedError()
 
     def _abort(self, exception):
         """clearly abort the wire protocol connection and raise the exception
         """
         raise NotImplementedError()
 
 # server side
 
 # wire protocol command can either return a string or one of these classes.
 
 def getdispatchrepo(repo, proto, command):
     """Obtain the repo used for processing wire protocol commands.
 
     The intent of this function is to serve as a monkeypatch point for
     extensions that need commands to operate on different repo views under
     specialized circumstances.
     """
     return repo.filtered('served')
 
 def dispatch(repo, proto, command):
     repo = getdispatchrepo(repo, proto, command)
     func, spec = commands[command]
     args = proto.getargs(spec)
     return func(repo, proto, *args)
 
 def options(cmd, keys, others):
     opts = {}
     for k in keys:
         if k in others:
             opts[k] = others[k]
             del others[k]
     if others:
         util.stderr.write("warning: %s ignored unexpected arguments %s\n"
                           % (cmd, ",".join(others)))
     return opts
 
 def bundle1allowed(repo, action):
     """Whether a bundle1 operation is allowed from the server.
 
     Priority is:
 
     1. server.bundle1gd.<action> (if generaldelta active)
     2. server.bundle1.<action>
     3. server.bundle1gd (if generaldelta active)
     4. server.bundle1
     """
     ui = repo.ui
     gd = 'generaldelta' in repo.requirements
 
     if gd:
         v = ui.configbool('server', 'bundle1gd.%s' % action)
         if v is not None:
             return v
 
     v = ui.configbool('server', 'bundle1.%s' % action)
     if v is not None:
         return v
 
     if gd:
         v = ui.configbool('server', 'bundle1gd')
         if v is not None:
             return v
 
     return ui.configbool('server', 'bundle1')
 
 def supportedcompengines(ui, role):
     """Obtain the list of supported compression engines for a request."""
     assert role in (util.CLIENTROLE, util.SERVERROLE)
 
     compengines = util.compengines.supportedwireengines(role)
 
     # Allow config to override default list and ordering.
     if role == util.SERVERROLE:
         configengines = ui.configlist('server', 'compressionengines')
         config = 'server.compressionengines'
     else:
         # This is currently implemented mainly to facilitate testing. In most
         # cases, the server should be in charge of choosing a compression engine
         # because a server has the most to lose from a sub-optimal choice. (e.g.
         # CPU DoS due to an expensive engine or a network DoS due to poor
         # compression ratio).
         configengines = ui.configlist('experimental',
                                       'clientcompressionengines')
         config = 'experimental.clientcompressionengines'
 
     # No explicit config. Filter out the ones that aren't supposed to be
     # advertised and return default ordering.
     if not configengines:
         attr = 'serverpriority' if role == util.SERVERROLE else 'clientpriority'
         return [e for e in compengines
                 if getattr(e.wireprotosupport(), attr) > 0]
 
     # If compression engines are listed in the config, assume there is a good
     # reason for it (like server operators wanting to achieve specific
     # performance characteristics). So fail fast if the config references
     # unusable compression engines.
     validnames = set(e.name() for e in compengines)
     invalidnames = set(e for e in configengines if e not in validnames)
     if invalidnames:
         raise error.Abort(_('invalid compression engine defined in %s: %s') %
                           (config, ', '.join(sorted(invalidnames))))
 
     compengines = [e for e in compengines if e.name() in configengines]
     compengines = sorted(compengines,
                          key=lambda e: configengines.index(e.name()))
 
     if not compengines:
         raise error.Abort(_('%s config option does not specify any known '
                             'compression engines') % config,
                           hint=_('usable compression engines: %s') %
                           ', '.sorted(validnames))
 
     return compengines
 
 class commandentry(object):
     """Represents a declared wire protocol command."""
     def __init__(self, func, args='', transports=None):
         self.func = func
         self.args = args
         self.transports = transports or set()
 
     def _merge(self, func, args):
         """Merge this instance with an incoming 2-tuple.
 
         This is called when a caller using the old 2-tuple API attempts
         to replace an instance. The incoming values are merged with
         data not captured by the 2-tuple and a new instance containing
         the union of the two objects is returned.
         """
         return commandentry(func, args=args, transports=set(self.transports))
 
     # Old code treats instances as 2-tuples. So expose that interface.
     def __iter__(self):
         yield self.func
         yield self.args
 
     def __getitem__(self, i):
         if i == 0:
             return self.func
         elif i == 1:
             return self.args
         else:
             raise IndexError('can only access elements 0 and 1')
 
 class commanddict(dict):
     """Container for registered wire protocol commands.
 
     It behaves like a dict. But __setitem__ is overwritten to allow silent
     coercion of values from 2-tuples for API compatibility.
     """
     def __setitem__(self, k, v):
         if isinstance(v, commandentry):
             pass
         # Cast 2-tuples to commandentry instances.
         elif isinstance(v, tuple):
             if len(v) != 2:
                 raise ValueError('command tuples must have exactly 2 elements')
 
             # It is common for extensions to wrap wire protocol commands via
             # e.g. ``wireproto.commands[x] = (newfn, args)``. Because callers
             # doing this aren't aware of the new API that uses objects to store
             # command entries, we automatically merge old state with new.
             if k in self:
                 v = self[k]._merge(v[0], v[1])
             else:
                 # Use default values from @wireprotocommand.
                 v = commandentry(v[0], args=v[1],
                                  transports=set(wireprototypes.TRANSPORTS))
         else:
             raise ValueError('command entries must be commandentry instances '
                              'or 2-tuples')
 
         return super(commanddict, self).__setitem__(k, v)
 
     def commandavailable(self, command, proto):
         """Determine if a command is available for the requested protocol."""
         assert proto.name in wireprototypes.TRANSPORTS
 
         entry = self.get(command)
 
         if not entry:
             return False
 
         if proto.name not in entry.transports:
             return False
 
         return True
 
 # Constants specifying which transports a wire protocol command should be
 # available on. For use with @wireprotocommand.
 POLICY_ALL = 'all'
 POLICY_V1_ONLY = 'v1-only'
 POLICY_V2_ONLY = 'v2-only'
 
 commands = commanddict()
 
+# Maps wire protocol name to operation type. This is used for permissions
+# checking. All defined @wireiprotocommand should have an entry in this
+# dict.
+permissions = {}
+
 def wireprotocommand(name, args='', transportpolicy=POLICY_ALL):
     """Decorator to declare a wire protocol command.
 
     ``name`` is the name of the wire protocol command being provided.
 
     ``args`` is a space-delimited list of named arguments that the command
     accepts. ``*`` is a special value that says to accept all arguments.
 
     ``transportpolicy`` is a POLICY_* constant denoting which transports
     this wire protocol command should be exposed to. By default, commands
     are exposed to all wire protocol transports.
     """
     if transportpolicy == POLICY_ALL:
         transports = set(wireprototypes.TRANSPORTS)
     elif transportpolicy == POLICY_V1_ONLY:
         transports = {k for k, v in wireprototypes.TRANSPORTS.items()
                       if v['version'] == 1}
     elif transportpolicy == POLICY_V2_ONLY:
         transports = {k for k, v in wireprototypes.TRANSPORTS.items()
                       if v['version'] == 2}
     else:
         raise error.Abort(_('invalid transport policy value: %s') %
                           transportpolicy)
 
     def register(func):
         commands[name] = commandentry(func, args=args, transports=transports)
         return func
     return register
 
+# TODO define a more appropriate permissions type to use for this.
+permissions['batch'] = 'pull'
 @wireprotocommand('batch', 'cmds *')
 def batch(repo, proto, cmds, others):
     repo = repo.filtered("served")
     res = []
     for pair in cmds.split(';'):
         op, args = pair.split(' ', 1)
         vals = {}
         for a in args.split(','):
             if a:
                 n, v = a.split('=')
                 vals[unescapearg(n)] = unescapearg(v)
         func, spec = commands[op]
+
+        # If the protocol supports permissions checking, perform that
+        # checking on each batched command.
+        # TODO formalize permission checking as part of protocol interface.
+        if util.safehasattr(proto, 'checkperm'):
+            # Assume commands with no defined permissions are writes / for
+            # pushes. This is the safest from a security perspective because
+            # it doesn't allow commands with undefined semantics from
+            # bypassing permissions checks.
+            proto.checkperm(permissions.get(op, 'push'))
+
         if spec:
             keys = spec.split()
             data = {}
             for k in keys:
                 if k == '*':
                     star = {}
                     for key in vals.keys():
                         if key not in keys:
                             star[key] = vals[key]
                     data['*'] = star
                 else:
                     data[k] = vals[k]
             result = func(repo, proto, *[data[k] for k in keys])
         else:
             result = func(repo, proto)
         if isinstance(result, ooberror):
             return result
 
         # For now, all batchable commands must return bytesresponse or
         # raw bytes (for backwards compatibility).
         assert isinstance(result, (bytesresponse, bytes))
         if isinstance(result, bytesresponse):
             result = result.data
         res.append(escapearg(result))
 
     return bytesresponse(';'.join(res))
 
+permissions['between'] = 'pull'
 @wireprotocommand('between', 'pairs', transportpolicy=POLICY_V1_ONLY)
 def between(repo, proto, pairs):
     pairs = [decodelist(p, '-') for p in pairs.split(" ")]
     r = []
     for b in repo.between(pairs):
         r.append(encodelist(b) + "\n")
 
     return bytesresponse(''.join(r))
 
+permissions['branchmap'] = 'pull'
 @wireprotocommand('branchmap')
 def branchmap(repo, proto):
     branchmap = repo.branchmap()
     heads = []
     for branch, nodes in branchmap.iteritems():
         branchname = urlreq.quote(encoding.fromlocal(branch))
         branchnodes = encodelist(nodes)
         heads.append('%s %s' % (branchname, branchnodes))
 
     return bytesresponse('\n'.join(heads))
 
+permissions['branches'] = 'pull'
 @wireprotocommand('branches', 'nodes', transportpolicy=POLICY_V1_ONLY)
 def branches(repo, proto, nodes):
     nodes = decodelist(nodes)
     r = []
     for b in repo.branches(nodes):
         r.append(encodelist(b) + "\n")
 
     return bytesresponse(''.join(r))
 
+permissions['clonebundles'] = 'pull'
 @wireprotocommand('clonebundles', '')
 def clonebundles(repo, proto):
     """Server command for returning info for available bundles to seed clones.
 
     Clients will parse this response and determine what bundle to fetch.
 
     Extensions may wrap this command to filter or dynamically emit data
     depending on the request. e.g. you could advertise URLs for the closest
     data center given the client's IP address.
     """
     return bytesresponse(repo.vfs.tryread('clonebundles.manifest'))
 
 wireprotocaps = ['lookup', 'branchmap', 'pushkey',
                  'known', 'getbundle', 'unbundlehash', 'batch']
 
 def _capabilities(repo, proto):
     """return a list of capabilities for a repo
 
     This function exists to allow extensions to easily wrap capabilities
     computation
 
     - returns a lists: easy to alter
     - change done here will be propagated to both `capabilities` and `hello`
       command without any other action needed.
     """
     # copy to prevent modification of the global list
     caps = list(wireprotocaps)
 
     # Command of same name as capability isn't exposed to version 1 of
     # transports. So conditionally add it.
     if commands.commandavailable('changegroupsubset', proto):
         caps.append('changegroupsubset')
 
     if streamclone.allowservergeneration(repo):
         if repo.ui.configbool('server', 'preferuncompressed'):
             caps.append('stream-preferred')
         requiredformats = repo.requirements & repo.supportedformats
         # if our local revlogs are just revlogv1, add 'stream' cap
         if not requiredformats - {'revlogv1'}:
             caps.append('stream')
         # otherwise, add 'streamreqs' detailing our local revlog format
         else:
             caps.append('streamreqs=%s' % ','.join(sorted(requiredformats)))
     if repo.ui.configbool('experimental', 'bundle2-advertise'):
         capsblob = bundle2.encodecaps(bundle2.getrepocaps(repo, role='server'))
         caps.append('bundle2=' + urlreq.quote(capsblob))
     caps.append('unbundle=%s' % ','.join(bundle2.bundlepriority))
 
     return proto.addcapabilities(repo, caps)
 
 # If you are writing an extension and consider wrapping this function. Wrap
 # `_capabilities` instead.
+permissions['capabilities'] = 'pull'
 @wireprotocommand('capabilities')
 def capabilities(repo, proto):
     return bytesresponse(' '.join(_capabilities(repo, proto)))
 
+permissions['changegroup'] = 'pull'
 @wireprotocommand('changegroup', 'roots', transportpolicy=POLICY_V1_ONLY)
 def changegroup(repo, proto, roots):
     nodes = decodelist(roots)
     outgoing = discovery.outgoing(repo, missingroots=nodes,
                                   missingheads=repo.heads())
     cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve')
     gen = iter(lambda: cg.read(32768), '')
     return streamres(gen=gen)
 
+permissions['changegroupsubset'] = 'pull'
 @wireprotocommand('changegroupsubset', 'bases heads',
                   transportpolicy=POLICY_V1_ONLY)
 def changegroupsubset(repo, proto, bases, heads):
     bases = decodelist(bases)
     heads = decodelist(heads)
     outgoing = discovery.outgoing(repo, missingroots=bases,
                                   missingheads=heads)
     cg = changegroupmod.makechangegroup(repo, outgoing, '01', 'serve')
     gen = iter(lambda: cg.read(32768), '')
     return streamres(gen=gen)
 
+permissions['debugwireargs'] = 'pull'
 @wireprotocommand('debugwireargs', 'one two *')
 def debugwireargs(repo, proto, one, two, others):
     # only accept optional args from the known set
     opts = options('debugwireargs', ['three', 'four'], others)
     return bytesresponse(repo.debugwireargs(one, two,
                                             **pycompat.strkwargs(opts)))
 
+permissions['getbundle'] = 'pull'
 @wireprotocommand('getbundle', '*')
 def getbundle(repo, proto, others):
     opts = options('getbundle', gboptsmap.keys(), others)
     for k, v in opts.iteritems():
         keytype = gboptsmap[k]
         if keytype == 'nodes':
             opts[k] = decodelist(v)
         elif keytype == 'csv':
             opts[k] = list(v.split(','))
         elif keytype == 'scsv':
             opts[k] = set(v.split(','))
         elif keytype == 'boolean':
             # Client should serialize False as '0', which is a non-empty string
             # so it evaluates as a True bool.
             if v == '0':
                 opts[k] = False
             else:
                 opts[k] = bool(v)
         elif keytype != 'plain':
             raise KeyError('unknown getbundle option type %s'
                            % keytype)
 
     if not bundle1allowed(repo, 'pull'):
         if not exchange.bundle2requested(opts.get('bundlecaps')):
             if proto.name == 'http-v1':
                 return ooberror(bundle2required)
             raise error.Abort(bundle2requiredmain,
                               hint=bundle2requiredhint)
 
     prefercompressed = True
 
     try:
         if repo.ui.configbool('server', 'disablefullbundle'):
             # Check to see if this is a full clone.
             clheads = set(repo.changelog.heads())
             changegroup = opts.get('cg', True)
             heads = set(opts.get('heads', set()))
             common = set(opts.get('common', set()))
             common.discard(nullid)
             if changegroup and not common and clheads == heads:
                 raise error.Abort(
                     _('server has pull-based clones disabled'),
                     hint=_('remove --pull if specified or upgrade Mercurial'))
 
         info, chunks = exchange.getbundlechunks(repo, 'serve',
                                                 **pycompat.strkwargs(opts))
         prefercompressed = info.get('prefercompressed', True)
     except error.Abort as exc:
         # cleanly forward Abort error to the client
         if not exchange.bundle2requested(opts.get('bundlecaps')):
             if proto.name == 'http-v1':
                 return ooberror(pycompat.bytestr(exc) + '\n')
             raise # cannot do better for bundle1 + ssh
         # bundle2 request expect a bundle2 reply
         bundler = bundle2.bundle20(repo.ui)
         manargs = [('message', pycompat.bytestr(exc))]
         advargs = []
         if exc.hint is not None:
             advargs.append(('hint', exc.hint))
         bundler.addpart(bundle2.bundlepart('error:abort',
                                            manargs, advargs))
         chunks = bundler.getchunks()
         prefercompressed = False
 
     return streamres(gen=chunks, prefer_uncompressed=not prefercompressed)
 
+permissions['heads'] = 'pull'
 @wireprotocommand('heads')
 def heads(repo, proto):
     h = repo.heads()
     return bytesresponse(encodelist(h) + '\n')
 
+permissions['hello'] = 'pull'
 @wireprotocommand('hello')
 def hello(repo, proto):
     """Called as part of SSH handshake to obtain server info.
 
     Returns a list of lines describing interesting things about the
     server, in an RFC822-like format.
 
     Currently, the only one defined is ``capabilities``, which consists of a
     line of space separated tokens describing server abilities:
 
         capabilities: <token0> <token1> <token2>
     """
     caps = capabilities(repo, proto).data
     return bytesresponse('capabilities: %s\n' % caps)
 
+permissions['listkeys'] = 'pull'
 @wireprotocommand('listkeys', 'namespace')
 def listkeys(repo, proto, namespace):
     d = sorted(repo.listkeys(encoding.tolocal(namespace)).items())
     return bytesresponse(pushkeymod.encodekeys(d))
 
+permissions['lookup'] = 'pull'
 @wireprotocommand('lookup', 'key')
 def lookup(repo, proto, key):
     try:
         k = encoding.tolocal(key)
         c = repo[k]
         r = c.hex()
         success = 1
     except Exception as inst:
         r = util.forcebytestr(inst)
         success = 0
     return bytesresponse('%d %s\n' % (success, r))
 
+permissions['known'] = 'pull'
 @wireprotocommand('known', 'nodes *')
 def known(repo, proto, nodes, others):
     v = ''.join(b and '1' or '0' for b in repo.known(decodelist(nodes)))
     return bytesresponse(v)
 
+permissions['pushkey'] = 'push'
 @wireprotocommand('pushkey', 'namespace key old new')
 def pushkey(repo, proto, namespace, key, old, new):
     # compatibility with pre-1.8 clients which were accidentally
     # sending raw binary nodes rather than utf-8-encoded hex
     if len(new) == 20 and util.escapestr(new) != new:
         # looks like it could be a binary node
         try:
             new.decode('utf-8')
             new = encoding.tolocal(new) # but cleanly decodes as UTF-8
         except UnicodeDecodeError:
             pass # binary, leave unmodified
     else:
         new = encoding.tolocal(new) # normal path
 
     with proto.mayberedirectstdio() as output:
         r = repo.pushkey(encoding.tolocal(namespace), encoding.tolocal(key),
                          encoding.tolocal(old), new) or False
 
     output = output.getvalue() if output else ''
     return bytesresponse('%d\n%s' % (int(r), output))
 
+permissions['stream_out'] = 'pull'
 @wireprotocommand('stream_out')
 def stream(repo, proto):
     '''If the server supports streaming clone, it advertises the "stream"
     capability with a value representing the version and flags of the repo
     it is serving. Client checks to see if it understands the format.
     '''
     return streamres_legacy(streamclone.generatev1wireproto(repo))
 
+permissions['unbundle'] = 'push'
 @wireprotocommand('unbundle', 'heads')
 def unbundle(repo, proto, heads):
     their_heads = decodelist(heads)
 
     with proto.mayberedirectstdio() as output:
         try:
             exchange.check_heads(repo, their_heads, 'preparing changes')
 
             # write bundle data to temporary file because it can be big
             fd, tempname = tempfile.mkstemp(prefix='hg-unbundle-')
             fp = os.fdopen(fd, pycompat.sysstr('wb+'))
             r = 0
             try:
                 proto.forwardpayload(fp)
                 fp.seek(0)
                 gen = exchange.readbundle(repo.ui, fp, None)
                 if (isinstance(gen, changegroupmod.cg1unpacker)
                     and not bundle1allowed(repo, 'push')):
                     if proto.name == 'http-v1':
                         # need to special case http because stderr do not get to
                         # the http client on failed push so we need to abuse
                         # some other error type to make sure the message get to
                         # the user.
                         return ooberror(bundle2required)
                     raise error.Abort(bundle2requiredmain,
                                       hint=bundle2requiredhint)
 
                 r = exchange.unbundle(repo, gen, their_heads, 'serve',
                                       proto.client())
                 if util.safehasattr(r, 'addpart'):
                     # The return looks streamable, we are in the bundle2 case
                     # and should return a stream.
                     return streamres_legacy(gen=r.getchunks())
                 return pushres(r, output.getvalue() if output else '')
 
             finally:
                 fp.close()
                 os.unlink(tempname)
 
         except (error.BundleValueError, error.Abort, error.PushRaced) as exc:
             # handle non-bundle2 case first
             if not getattr(exc, 'duringunbundle2', False):
                 try:
                     raise
                 except error.Abort:
                     # The old code we moved used util.stderr directly.
                     # We did not change it to minimise code change.
                     # This need to be moved to something proper.
                     # Feel free to do it.
                     util.stderr.write("abort: %s\n" % exc)
                     if exc.hint is not None:
                         util.stderr.write("(%s)\n" % exc.hint)
                     return pushres(0, output.getvalue() if output else '')
                 except error.PushRaced:
                     return pusherr(pycompat.bytestr(exc),
                                    output.getvalue() if output else '')
 
             bundler = bundle2.bundle20(repo.ui)
             for out in getattr(exc, '_bundle2salvagedoutput', ()):
                 bundler.addpart(out)
             try:
                 try:
                     raise
                 except error.PushkeyFailed as exc:
                     # check client caps
                     remotecaps = getattr(exc, '_replycaps', None)
                     if (remotecaps is not None
                             and 'pushkey' not in remotecaps.get('error', ())):
                         # no support remote side, fallback to Abort handler.
                         raise
                     part = bundler.newpart('error:pushkey')
                     part.addparam('in-reply-to', exc.partid)
                     if exc.namespace is not None:
                         part.addparam('namespace', exc.namespace,
                                       mandatory=False)
                     if exc.key is not None:
                         part.addparam('key', exc.key, mandatory=False)
                     if exc.new is not None:
                         part.addparam('new', exc.new, mandatory=False)
                     if exc.old is not None:
                         part.addparam('old', exc.old, mandatory=False)
                     if exc.ret is not None:
                         part.addparam('ret', exc.ret, mandatory=False)
             except error.BundleValueError as exc:
                 errpart = bundler.newpart('error:unsupportedcontent')
                 if exc.parttype is not None:
                     errpart.addparam('parttype', exc.parttype)
                 if exc.params:
                     errpart.addparam('params', '\0'.join(exc.params))
             except error.Abort as exc:
                 manargs = [('message', util.forcebytestr(exc))]
                 advargs = []
                 if exc.hint is not None:
                     advargs.append(('hint', exc.hint))
                 bundler.addpart(bundle2.bundlepart('error:abort',
                                                    manargs, advargs))
             except error.PushRaced as exc:
                 bundler.newpart('error:pushraced',
                                 [('message', util.forcebytestr(exc))])
             return streamres_legacy(gen=bundler.getchunks())

tests/drawdag.py

@@ -1,434 +1,435 b''
 # drawdag.py - convert ASCII revision DAG to actual changesets
 #
 # Copyright 2016 Facebook, Inc.
 #
 # This software may be used and distributed according to the terms of the
 # GNU General Public License version 2 or any later version.
 """
 create changesets from an ASCII graph for testing purpose.
 
 For example, given the following input::
 
     c d
     |/
     b
     |
     a
 
 4 changesets and 4 local tags will be created.
 `hg log -G -T "{rev} {desc} (tag: {tags})"` will output::
 
     o  3 d (tag: d tip)
     |
     | o  2 c (tag: c)
     |/
     o  1 b (tag: b)
     |
     o  0 a (tag: a)
 
 For root nodes (nodes without parents) in the graph, they can be revsets
 pointing to existing nodes.  The ASCII graph could also have disconnected
 components with same names referring to the same changeset.
 
 Therefore, given the repo having the 4 changesets (and tags) above, with the
 following ASCII graph as input::
 
     foo    bar       bar  foo
      |     /          |    |
     ancestor(c,d)     a   baz
 
 The result (`hg log -G -T "{desc}"`) will look like::
 
     o    foo
     |\
     +---o  bar
     | | |
     | o |  baz
     |  /
     +---o  d
     | |
     +---o  c
     | |
     o |  b
     |/
     o  a
 
 Note that if you take the above `hg log` output directly as input. It will work
 as expected - the result would be an isomorphic graph::
 
     o    foo
     |\
     | | o  d
     | |/
     | | o  c
     | |/
     | | o  bar
     | |/|
     | o |  b
     | |/
     o /  baz
      /
     o  a
 
 This is because 'o' is specially handled in the input: instead of using 'o' as
 the node name, the word to the right will be used.
 
 Some special comments could have side effects:
 
     - Create obsmarkers
       # replace: A -> B -> C -> D  # chained 1 to 1 replacements
       # split: A -> B, C           # 1 to many
       # prune: A, B, C             # many to nothing
 """
 from __future__ import absolute_import, print_function
 
 import collections
 import itertools
 import re
 
 from mercurial.i18n import _
 from mercurial import (
     context,
     error,
     node,
     obsolete,
     pycompat,
     registrar,
     scmutil,
     tags as tagsmod,
 )
 
 cmdtable = {}
 command = registrar.command(cmdtable)
 
 _pipechars = b'\\/+-|'
 _nonpipechars = b''.join(pycompat.bytechr(i) for i in range(33, 127)
                          if pycompat.bytechr(i) not in _pipechars)
 
 def _isname(ch):
     """char -> bool. return True if ch looks like part of a name, False
     otherwise"""
     return ch in _nonpipechars
 
 def _parseasciigraph(text):
     r"""str -> {str : [str]}. convert the ASCII graph to edges
 
     >>> import pprint
     >>> pprint.pprint({pycompat.sysstr(k): [pycompat.sysstr(vv) for vv in v]
     ...  for k, v in _parseasciigraph(br'''
     ...        G
     ...        |
     ...  I D C F   # split: B -> E, F, G
     ...   \ \| |   # replace: C -> D -> H
     ...    H B E   # prune: F, I
     ...     \|/
     ...      A
     ... ''').items()})
     {'A': [],
      'B': ['A'],
      'C': ['B'],
      'D': ['B'],
      'E': ['A'],
      'F': ['E'],
      'G': ['F'],
      'H': ['A'],
      'I': ['H']}
     >>> pprint.pprint({pycompat.sysstr(k): [pycompat.sysstr(vv) for vv in v]
     ...  for k, v in _parseasciigraph(br'''
     ...  o    foo
     ...  |\
     ...  +---o  bar
     ...  | | |
     ...  | o |  baz
     ...  |  /
     ...  +---o  d
     ...  | |
     ...  +---o  c
     ...  | |
     ...  o |  b
     ...  |/
     ...  o  a
     ... ''').items()})
     {'a': [],
      'b': ['a'],
      'bar': ['b', 'a'],
      'baz': [],
      'c': ['b'],
      'd': ['b'],
      'foo': ['baz', 'b']}
     """
     lines = text.splitlines()
     edges = collections.defaultdict(list)  # {node: []}
 
     def get(y, x):
         """(int, int) -> char. give a coordinate, return the char. return a
         space for anything out of range"""
         if x < 0 or y < 0:
             return b' '
         try:
             return lines[y][x:x + 1] or b' '
         except IndexError:
             return b' '
 
     def getname(y, x):
         """(int, int) -> str. like get(y, x) but concatenate left and right
         parts. if name is an 'o', try to replace it to the right"""
         result = b''
         for i in itertools.count(0):
             ch = get(y, x - i)
             if not _isname(ch):
                 break
             result = ch + result
         for i in itertools.count(1):
             ch = get(y, x + i)
             if not _isname(ch):
                 break
             result += ch
         if result == b'o':
             # special handling, find the name to the right
             result = b''
             for i in itertools.count(2):
                 ch = get(y, x + i)
                 if ch == b' ' or ch in _pipechars:
                     if result or x + i >= len(lines[y]):
                         break
                 else:
                     result += ch
             return result or b'o'
         return result
 
     def parents(y, x):
         """(int, int) -> [str]. follow the ASCII edges at given position,
         return a list of parents"""
         visited = {(y, x)}
         visit = []
         result = []
 
         def follow(y, x, expected):
             """conditionally append (y, x) to visit array, if it's a char
             in excepted. 'o' in expected means an '_isname' test.
             if '-' (or '+') is not in excepted, and get(y, x) is '-' (or '+'),
             the next line (y + 1, x) will be checked instead."""
             ch = get(y, x)
             if any(ch == c and c not in expected for c in (b'-', b'+')):
                 y += 1
                 return follow(y + 1, x, expected)
             if ch in expected or (b'o' in expected and _isname(ch)):
                 visit.append((y, x))
 
         #  -o-  # starting point:
         #  /|\ # follow '-' (horizontally), and '/|\' (to the bottom)
         follow(y + 1, x, b'|')
         follow(y + 1, x - 1, b'/')
         follow(y + 1, x + 1, b'\\')
         follow(y, x - 1, b'-')
         follow(y, x + 1, b'-')
 
         while visit:
             y, x = visit.pop()
             if (y, x) in visited:
                 continue
             visited.add((y, x))
             ch = get(y, x)
             if _isname(ch):
                 result.append(getname(y, x))
                 continue
             elif ch == b'|':
                 follow(y + 1, x, b'/|o')
                 follow(y + 1, x - 1, b'/')
                 follow(y + 1, x + 1, b'\\')
             elif ch == b'+':
                 follow(y, x - 1, b'-')
                 follow(y, x + 1, b'-')
                 follow(y + 1, x - 1, b'/')
                 follow(y + 1, x + 1, b'\\')
                 follow(y + 1, x, b'|')
             elif ch == b'\\':
                 follow(y + 1, x + 1, b'\\|o')
             elif ch == b'/':
                 follow(y + 1, x - 1, b'/|o')
             elif ch == b'-':
                 follow(y, x - 1, b'-+o')
                 follow(y, x + 1, b'-+o')
         return result
 
     for y, line in enumerate(lines):
         for x, ch in enumerate(pycompat.bytestr(line)):
             if ch == b'#':  # comment
                 break
             if _isname(ch):
                 edges[getname(y, x)] += parents(y, x)
 
     return dict(edges)
 
 class simplefilectx(object):
     def __init__(self, path, data):
         self._data = data
         self._path = path
 
     def data(self):
         return self._data
 
     def filenode(self):
         return None
 
     def path(self):
         return self._path
 
     def renamed(self):
         return None
 
     def flags(self):
         return b''
 
 class simplecommitctx(context.committablectx):
     def __init__(self, repo, name, parentctxs, added):
         opts = {
             'changes': scmutil.status([], list(added), [], [], [], [], []),
             'date': b'0 0',
             'extra': {b'branch': b'default'},
         }
         super(simplecommitctx, self).__init__(self, name, **opts)
         self._repo = repo
         self._added = added
         self._parents = parentctxs
         while len(self._parents) < 2:
             self._parents.append(repo[node.nullid])
 
     def filectx(self, key):
         return simplefilectx(key, self._added[key])
 
     def commit(self):
         return self._repo.commitctx(self)
 
 def _walkgraph(edges):
     """yield node, parents in topologically order"""
     visible = set(edges.keys())
     remaining = {}  # {str: [str]}
     for k, vs in edges.items():
         for v in vs:
             if v not in remaining:
                 remaining[v] = []
         remaining[k] = vs[:]
     while remaining:
         leafs = [k for k, v in remaining.items() if not v]
         if not leafs:
             raise error.Abort(_('the graph has cycles'))
         for leaf in sorted(leafs):
             if leaf in visible:
                 yield leaf, edges[leaf]
             del remaining[leaf]
             for k, v in remaining.items():
                 if leaf in v:
                     v.remove(leaf)
 
 def _getcomments(text):
     """
     >>> [pycompat.sysstr(s) for s in _getcomments(br'''
     ...        G
     ...        |
     ...  I D C F   # split: B -> E, F, G
     ...   \ \| |   # replace: C -> D -> H
     ...    H B E   # prune: F, I
     ...     \|/
     ...      A
     ... ''')]
     ['split: B -> E, F, G', 'replace: C -> D -> H', 'prune: F, I']
     """
     for line in text.splitlines():
         if b' # ' not in line:
             continue
         yield line.split(b' # ', 1)[1].split(b' # ')[0].strip()
 
 @command(b'debugdrawdag', [])
 def debugdrawdag(ui, repo, **opts):
     """read an ASCII graph from stdin and create changesets
 
     The ASCII graph is like what :hg:`log -G` outputs, with each `o` replaced
     to the name of the node. The command will create dummy changesets and local
     tags with those names to make the dummy changesets easier to be referred
     to.
 
     If the name of a node is a single character 'o', It will be replaced by the
     word to the right. This makes it easier to reuse
     :hg:`log -G -T '{desc}'` outputs.
 
     For root (no parents) nodes, revset can be used to query existing repo.
     Note that the revset cannot have confusing characters which can be seen as
     the part of the graph edges, like `|/+-\`.
     """
     text = ui.fin.read()
 
     # parse the graph and make sure len(parents) <= 2 for each node
     edges = _parseasciigraph(text)
     for k, v in edges.items():
         if len(v) > 2:
             raise error.Abort(_('%s: too many parents: %s')
                               % (k, b' '.join(v)))
 
     # parse comments to get extra file content instructions
     files = collections.defaultdict(dict) # {(name, path): content}
     comments = list(_getcomments(text))
     filere = re.compile(br'^(\w+)/([\w/]+)\s*=\s*(.*)$', re.M)
     for name, path, content in filere.findall(b'\n'.join(comments)):
-        files[name][path] = content.replace(br'\n', b'\n')
+        content = content.replace(br'\n', b'\n').replace(br'\1', b'\1')
+        files[name][path] = content
 
     committed = {None: node.nullid}  # {name: node}
 
     # for leaf nodes, try to find existing nodes in repo
     for name, parents in edges.items():
         if len(parents) == 0:
             try:
                 committed[name] = scmutil.revsingle(repo, name)
             except error.RepoLookupError:
                 pass
 
     # commit in topological order
     for name, parents in _walkgraph(edges):
         if name in committed:
             continue
         pctxs = [repo[committed[n]] for n in parents]
         pctxs.sort(key=lambda c: c.node())
         added = {}
         if len(parents) > 1:
             # If it's a merge, take the files and contents from the parents
             for f in pctxs[1].manifest():
                 if f not in pctxs[0].manifest():
                     added[f] = pctxs[1][f].data()
         else:
             # If it's not a merge, add a single file
             added[name] = name
         # add extra file contents in comments
         for path, content in files.get(name, {}).items():
             added[path] = content
         ctx = simplecommitctx(repo, name, pctxs, added)
         n = ctx.commit()
         committed[name] = n
         tagsmod.tag(repo, [name], n, message=None, user=None, date=None,
                     local=True)
 
     # handle special comments
     with repo.wlock(), repo.lock(), repo.transaction(b'drawdag'):
         getctx = lambda x: repo.unfiltered()[committed[x.strip()]]
         for comment in comments:
             rels = [] # obsolete relationships
             args = comment.split(b':', 1)
             if len(args) <= 1:
                 continue
 
             cmd = args[0].strip()
             arg = args[1].strip()
 
             if cmd in (b'replace', b'rebase', b'amend'):
                 nodes = [getctx(m) for m in arg.split(b'->')]
                 for i in range(len(nodes) - 1):
                     rels.append((nodes[i], (nodes[i + 1],)))
             elif cmd in (b'split',):
                 pre, succs = arg.split(b'->')
                 succs = succs.split(b',')
                 rels.append((getctx(pre), (getctx(s) for s in succs)))
             elif cmd in (b'prune',):
                 for n in arg.split(b','):
                     rels.append((getctx(n), ()))
             if rels:
                 obsolete.createmarkers(repo, rels, date=(0, 0), operation=cmd)

tests/test-annotate.t

@@ -1,1035 +1,1041 b''
   $ HGMERGE=true; export HGMERGE
 
 init
 
   $ hg init repo
   $ cd repo
 
 commit
 
   $ echo 'a' > a
   $ hg ci -A -m test -u nobody -d '1 0'
   adding a
 
 annotate -c
 
   $ hg annotate -c a
   8435f90966e4: a
 
 annotate -cl
 
   $ hg annotate -cl a
   8435f90966e4:1: a
 
 annotate -d
 
   $ hg annotate -d a
   Thu Jan 01 00:00:01 1970 +0000: a
 
 annotate -n
 
   $ hg annotate -n a
   0: a
 
 annotate -nl
 
   $ hg annotate -nl a
   0:1: a
 
 annotate -u
 
   $ hg annotate -u a
   nobody: a
 
 annotate -cdnu
 
   $ hg annotate -cdnu a
   nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000: a
 
 annotate -cdnul
 
   $ hg annotate -cdnul a
   nobody 0 8435f90966e4 Thu Jan 01 00:00:01 1970 +0000:1: a
 
 annotate (JSON)
 
   $ hg annotate -Tjson a
   [
    {
     "abspath": "a",
     "lines": [{"line": "a\n", "rev": 0}],
     "path": "a"
    }
   ]
 
   $ hg annotate -Tjson -cdfnul a
   [
    {
     "abspath": "a",
     "lines": [{"date": [1.0, 0], "file": "a", "line": "a\n", "line_number": 1, "node": "8435f90966e442695d2ded29fdade2bac5ad8065", "rev": 0, "user": "nobody"}],
     "path": "a"
    }
   ]
 
   $ cat <<EOF >>a
   > a
   > a
   > EOF
   $ hg ci -ma1 -d '1 0'
   $ hg cp a b
   $ hg ci -mb -d '1 0'
   $ cat <<EOF >> b
   > b4
   > b5
   > b6
   > EOF
   $ hg ci -mb2 -d '2 0'
 
 annotate multiple files (JSON)
 
   $ hg annotate -Tjson a b
   [
    {
     "abspath": "a",
     "lines": [{"line": "a\n", "rev": 0}, {"line": "a\n", "rev": 1}, {"line": "a\n", "rev": 1}],
     "path": "a"
    },
    {
     "abspath": "b",
     "lines": [{"line": "a\n", "rev": 0}, {"line": "a\n", "rev": 1}, {"line": "a\n", "rev": 1}, {"line": "b4\n", "rev": 3}, {"line": "b5\n", "rev": 3}, {"line": "b6\n", "rev": 3}],
     "path": "b"
    }
   ]
 
 annotate multiple files (template)
 
   $ hg annotate -T'== {abspath} ==\n{lines % "{rev}: {line}"}' a b
   == a ==
   0: a
   1: a
   1: a
   == b ==
   0: a
   1: a
   1: a
   3: b4
   3: b5
   3: b6
 
 annotate -n b
 
   $ hg annotate -n b
   0: a
   1: a
   1: a
   3: b4
   3: b5
   3: b6
 
 annotate --no-follow b
 
   $ hg annotate --no-follow b
   2: a
   2: a
   2: a
   3: b4
   3: b5
   3: b6
 
 annotate -nl b
 
   $ hg annotate -nl b
   0:1: a
   1:2: a
   1:3: a
   3:4: b4
   3:5: b5
   3:6: b6
 
 annotate -nf b
 
   $ hg annotate -nf b
   0 a: a
   1 a: a
   1 a: a
   3 b: b4
   3 b: b5
   3 b: b6
 
 annotate -nlf b
 
   $ hg annotate -nlf b
   0 a:1: a
   1 a:2: a
   1 a:3: a
   3 b:4: b4
   3 b:5: b5
   3 b:6: b6
 
   $ hg up -C 2
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cat <<EOF >> b
   > b4
   > c
   > b5
   > EOF
   $ hg ci -mb2.1 -d '2 0'
   created new head
   $ hg merge
   merging b
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -mmergeb -d '3 0'
 
 annotate after merge
 
   $ hg annotate -nf b
   0 a: a
   1 a: a
   1 a: a
   3 b: b4
   4 b: c
   3 b: b5
 
 annotate after merge with -l
 
   $ hg annotate -nlf b
   0 a:1: a
   1 a:2: a
   1 a:3: a
   3 b:4: b4
   4 b:5: c
   3 b:5: b5
 
   $ hg up -C 1
   0 files updated, 0 files merged, 1 files removed, 0 files unresolved
   $ hg cp a b
   $ cat <<EOF > b
   > a
   > z
   > a
   > EOF
   $ hg ci -mc -d '3 0'
   created new head
   $ hg merge
   merging b
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ cat <<EOF >> b
   > b4
   > c
   > b5
   > EOF
   $ echo d >> b
   $ hg ci -mmerge2 -d '4 0'
 
 annotate after rename merge
 
   $ hg annotate -nf b
   0 a: a
   6 b: z
   1 a: a
   3 b: b4
   4 b: c
   3 b: b5
   7 b: d
 
 annotate after rename merge with -l
 
   $ hg annotate -nlf b
   0 a:1: a
   6 b:2: z
   1 a:3: a
   3 b:4: b4
   4 b:5: c
   3 b:5: b5
   7 b:7: d
 
 --skip nothing (should be the same as no --skip at all)
 
   $ hg annotate -nlf b --skip '1::0'
   0 a:1: a
   6 b:2: z
   1 a:3: a
   3 b:4: b4
   4 b:5: c
   3 b:5: b5
   7 b:7: d
 
 --skip a modified line. Note a slight behavior difference in pure - this is
 because the pure code comes up with slightly different deltas internally.
 
   $ hg annotate -nlf b --skip 6
   0 a:1: a
   1 a:2* z (no-pure !)
   0 a:1* z (pure !)
   1 a:3: a
   3 b:4: b4
   4 b:5: c
   3 b:5: b5
   7 b:7: d
 
 --skip added lines (and test multiple skip)
 
   $ hg annotate -nlf b --skip 3
   0 a:1: a
   6 b:2: z
   1 a:3: a
   1 a:3* b4
   4 b:5: c
   1 a:3* b5
   7 b:7: d
 
   $ hg annotate -nlf b --skip 4
   0 a:1: a
   6 b:2: z
   1 a:3: a
   3 b:4: b4
   1 a:3* c
   3 b:5: b5
   7 b:7: d
 
   $ hg annotate -nlf b --skip 3 --skip 4
   0 a:1: a
   6 b:2: z
   1 a:3: a
   1 a:3* b4
   1 a:3* c
   1 a:3* b5
   7 b:7: d
 
   $ hg annotate -nlf b --skip 'merge()'
   0 a:1: a
   6 b:2: z
   1 a:3: a
   3 b:4: b4
   4 b:5: c
   3 b:5: b5
   3 b:5* d
 
 --skip everything -- use the revision the file was introduced in
 
   $ hg annotate -nlf b --skip 'all()'
   0 a:1: a
   0 a:1* z
   0 a:1* a
   0 a:1* b4
   0 a:1* c
   0 a:1* b5
   0 a:1* d
 
 Issue2807: alignment of line numbers with -l
 
   $ echo more >> b
   $ hg ci -mmore -d '5 0'
   $ echo more >> b
   $ hg ci -mmore -d '6 0'
   $ echo more >> b
   $ hg ci -mmore -d '7 0'
   $ hg annotate -nlf b
    0 a: 1: a
    6 b: 2: z
    1 a: 3: a
    3 b: 4: b4
    4 b: 5: c
    3 b: 5: b5
    7 b: 7: d
    8 b: 8: more
    9 b: 9: more
   10 b:10: more
 
 linkrev vs rev
 
   $ hg annotate -r tip -n a
   0: a
   1: a
   1: a
 
 linkrev vs rev with -l
 
   $ hg annotate -r tip -nl a
   0:1: a
   1:2: a
   1:3: a
 
 Issue589: "undelete" sequence leads to crash
 
 annotate was crashing when trying to --follow something
 
 like A -> B -> A
 
 generate ABA rename configuration
 
   $ echo foo > foo
   $ hg add foo
   $ hg ci -m addfoo
   $ hg rename foo bar
   $ hg ci -m renamefoo
   $ hg rename bar foo
   $ hg ci -m renamebar
 
 annotate after ABA with follow
 
   $ hg annotate --follow foo
   foo: foo
 
 missing file
 
   $ hg ann nosuchfile
   abort: nosuchfile: no such file in rev e9e6b4fa872f
   [255]
 
 annotate file without '\n' on last line
 
   $ printf "" > c
   $ hg ci -A -m test -u nobody -d '1 0'
   adding c
   $ hg annotate c
   $ printf "a\nb" > c
   $ hg ci -m test
   $ hg annotate c
   [0-9]+: a (re)
   [0-9]+: b (re)
 
 Issue3841: check annotation of the file of which filelog includes
 merging between the revision and its ancestor
 
 to reproduce the situation with recent Mercurial, this script uses (1)
 "hg debugsetparents" to merge without ancestor check by "hg merge",
 and (2) the extension to allow filelog merging between the revision
 and its ancestor by overriding "repo._filecommit".
 
   $ cat > ../legacyrepo.py <<EOF
   > from __future__ import absolute_import
   > from mercurial import error, node
   > def reposetup(ui, repo):
   >     class legacyrepo(repo.__class__):
   >         def _filecommit(self, fctx, manifest1, manifest2,
   >                         linkrev, tr, changelist):
   >             fname = fctx.path()
   >             text = fctx.data()
   >             flog = self.file(fname)
   >             fparent1 = manifest1.get(fname, node.nullid)
   >             fparent2 = manifest2.get(fname, node.nullid)
   >             meta = {}
   >             copy = fctx.renamed()
   >             if copy and copy[0] != fname:
   >                 raise error.Abort('copying is not supported')
   >             if fparent2 != node.nullid:
   >                 changelist.append(fname)
   >                 return flog.add(text, meta, tr, linkrev,
   >                                 fparent1, fparent2)
   >             raise error.Abort('only merging is supported')
   >     repo.__class__ = legacyrepo
   > EOF
 
   $ cat > baz <<EOF
   > 1
   > 2
   > 3
   > 4
   > 5
   > EOF
   $ hg add baz
   $ hg commit -m "baz:0"
 
   $ cat > baz <<EOF
   > 1 baz:1
   > 2
   > 3
   > 4
   > 5
   > EOF
   $ hg commit -m "baz:1"
 
   $ cat > baz <<EOF
   > 1 baz:1
   > 2 baz:2
   > 3
   > 4
   > 5
   > EOF
   $ hg debugsetparents 17 17
   $ hg --config extensions.legacyrepo=../legacyrepo.py  commit -m "baz:2"
   $ hg debugindexdot .hg/store/data/baz.i
   digraph G {
   	-1 -> 0
   	0 -> 1
   	1 -> 2
   	1 -> 2
   }
   $ hg annotate baz
   17: 1 baz:1
   18: 2 baz:2
   16: 3
   16: 4
   16: 5
 
   $ cat > baz <<EOF
   > 1 baz:1
   > 2 baz:2
   > 3 baz:3
   > 4
   > 5
   > EOF
   $ hg commit -m "baz:3"
 
   $ cat > baz <<EOF
   > 1 baz:1
   > 2 baz:2
   > 3 baz:3
   > 4 baz:4
   > 5
   > EOF
   $ hg debugsetparents 19 18
   $ hg --config extensions.legacyrepo=../legacyrepo.py  commit -m "baz:4"
   $ hg debugindexdot .hg/store/data/baz.i
   digraph G {
   	-1 -> 0
   	0 -> 1
   	1 -> 2
   	1 -> 2
   	2 -> 3
   	3 -> 4
   	2 -> 4
   }
   $ hg annotate baz
   17: 1 baz:1
   18: 2 baz:2
   19: 3 baz:3
   20: 4 baz:4
   16: 5
 
 annotate clean file
 
   $ hg annotate -ncr "wdir()" foo
   11 472b18db256d : foo
 
 annotate modified file
 
   $ echo foofoo >> foo
   $ hg annotate -r "wdir()" foo
   11 : foo
   20+: foofoo
 
   $ hg annotate -cr "wdir()" foo
   472b18db256d : foo
   b6bedd5477e7+: foofoo
 
   $ hg annotate -ncr "wdir()" foo
   11 472b18db256d : foo
   20 b6bedd5477e7+: foofoo
 
   $ hg annotate --debug -ncr "wdir()" foo
   11 472b18db256d1e8282064eab4bfdaf48cbfe83cd : foo
   20 b6bedd5477e797f25e568a6402d4697f3f895a72+: foofoo
 
   $ hg annotate -udr "wdir()" foo
   test Thu Jan 01 00:00:00 1970 +0000: foo
   test [A-Za-z0-9:+ ]+: foofoo (re)
 
   $ hg annotate -ncr "wdir()" -Tjson foo
   [
    {
     "abspath": "foo",
     "lines": [{"line": "foo\n", "node": "472b18db256d1e8282064eab4bfdaf48cbfe83cd", "rev": 11}, {"line": "foofoo\n", "node": null, "rev": null}],
     "path": "foo"
    }
   ]
 
 annotate added file
 
   $ echo bar > bar
   $ hg add bar
   $ hg annotate -ncr "wdir()" bar
   20 b6bedd5477e7+: bar
 
 annotate renamed file
 
   $ hg rename foo renamefoo2
   $ hg annotate -ncr "wdir()" renamefoo2
   11 472b18db256d : foo
   20 b6bedd5477e7+: foofoo
 
 annotate missing file
 
   $ rm baz
 
   $ hg annotate -ncr "wdir()" baz
   abort: $TESTTMP\repo\baz: $ENOENT$ (windows !)
   abort: $ENOENT$: $TESTTMP/repo/baz (no-windows !)
   [255]
 
 annotate removed file
 
   $ hg rm baz
 
   $ hg annotate -ncr "wdir()" baz
   abort: $TESTTMP\repo\baz: $ENOENT$ (windows !)
   abort: $ENOENT$: $TESTTMP/repo/baz (no-windows !)
   [255]
 
   $ hg revert --all --no-backup --quiet
   $ hg id -n
   20
 
 Test followlines() revset; we usually check both followlines(pat, range) and
 followlines(pat, range, descend=True) to make sure both give the same result
 when they should.
 
   $ echo a >> foo
   $ hg ci -m 'foo: add a'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5)'
   16: baz:0
   19: baz:3
   20: baz:4
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=20)'
   16: baz:0
   19: baz:3
   20: baz:4
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19)'
   16: baz:0
   19: baz:3
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19, descend=True)'
   19: baz:3
   20: baz:4
   $ printf "0\n0\n" | cat - baz > baz1
   $ mv baz1 baz
   $ hg ci -m 'added two lines with 0'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, descend=true, startrev=19)'
   19: baz:3
   20: baz:4
   $ echo 6 >> baz
   $ hg ci -m 'added line 8'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=19, descend=1)'
   19: baz:3
   20: baz:4
   $ sed 's/3/3+/' baz > baz.new
   $ mv baz.new baz
   $ hg ci -m 'baz:3->3+'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, descend=0)'
   16: baz:0
   19: baz:3
   20: baz:4
   24: baz:3->3+
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:5, startrev=17, descend=True)'
   19: baz:3
   20: baz:4
   24: baz:3->3+
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 1:2, descend=false)'
   22: added two lines with 0
 
 file patterns are okay
   $ hg log -T '{rev}: {desc}\n' -r 'followlines("path:baz", 1:2)'
   22: added two lines with 0
 
 renames are followed
   $ hg mv baz qux
   $ sed 's/4/4+/' qux > qux.new
   $ mv qux.new qux
   $ hg ci -m 'qux:4->4+'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   24: baz:3->3+
   25: qux:4->4+
 
 but are missed when following children
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, startrev=22, descend=True)'
   24: baz:3->3+
 
 merge
   $ hg up 24 --quiet
   $ echo 7 >> baz
   $ hg ci -m 'one more line, out of line range'
   created new head
   $ sed 's/3+/3-/' baz > baz.new
   $ mv baz.new baz
   $ hg ci -m 'baz:3+->3-'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   24: baz:3->3+
   27: baz:3+->3-
   $ hg merge 25
   merging baz and qux to qux
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m merge
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   24: baz:3->3+
   25: qux:4->4+
   27: baz:3+->3-
   28: merge
   $ hg up 25 --quiet
   $ hg merge 27
   merging qux and baz to qux
   0 files updated, 1 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m 'merge from other side'
   created new head
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(qux, 5:7)'
   16: baz:0
   19: baz:3
   20: baz:4
   24: baz:3->3+
   25: qux:4->4+
   27: baz:3+->3-
   29: merge from other side
   $ hg up 24 --quiet
 
 we are missing the branch with rename when following children
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 5:7, startrev=26, descend=True)'
   27: baz:3+->3-
 
 we follow all branches in descending direction
   $ hg up 23 --quiet
   $ sed 's/3/+3/' baz > baz.new
   $ mv baz.new baz
   $ hg ci -m 'baz:3->+3'
   created new head
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 2:5, startrev=16, descend=True)' --graph
   @  30: baz:3->+3
   :
   : o  27: baz:3+->3-
   : :
   : o  24: baz:3->3+
   :/
   o    20: baz:4
   |\
   | o  19: baz:3
   |/
   o  18: baz:2
   :
   o  16: baz:0
   |
   ~
 
 Issue5595: on a merge changeset with different line ranges depending on
 parent, be conservative and use the surrounding interval to avoid loosing
 track of possible further descendants in specified range.
 
   $ hg up 23 --quiet
   $ hg cat baz -r 24
   0
   0
   1 baz:1
   2 baz:2
   3+ baz:3
   4 baz:4
   5
   6
   $ cat > baz << EOF
   > 0
   > 0
   > a
   > b
   > 3+ baz:3
   > 4 baz:4
   > y
   > z
   > EOF
   $ hg ci -m 'baz: mostly rewrite with some content from 24'
   created new head
   $ hg merge --tool :merge-other 24
   merging baz
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   (branch merge, don't forget to commit)
   $ hg ci -m 'merge forgetting about baz rewrite'
   $ cat > baz << EOF
   > 0
   > 0
   > 1 baz:1
   > 2+ baz:2
   > 3+ baz:3
   > 4 baz:4
   > 5
   > 6
   > EOF
   $ hg ci -m 'baz: narrow change (2->2+)'
   $ hg log -T '{rev}: {desc}\n' -r 'followlines(baz, 3:4, startrev=20, descend=True)' --graph
   @  33: baz: narrow change (2->2+)
   |
   o    32: merge forgetting about baz rewrite
   |\
   | o  31: baz: mostly rewrite with some content from 24
   | :
   | : o  30: baz:3->+3
   | :/
   +---o  27: baz:3+->3-
   | :
   o :  24: baz:3->3+
   :/
   o    20: baz:4
   |\
   ~ ~
 
 check error cases
   $ hg up 24 --quiet
   $ hg log -r 'followlines()'
   hg: parse error: followlines takes at least 1 positional arguments
   [255]
   $ hg log -r 'followlines(baz)'
   hg: parse error: followlines requires a line range
   [255]
   $ hg log -r 'followlines(baz, 1)'
   hg: parse error: followlines expects a line range
   [255]
   $ hg log -r 'followlines(baz, 1:2, startrev=desc("b"))'
   hg: parse error: followlines expects exactly one revision
   [255]
   $ hg log -r 'followlines("glob:*", 1:2)'
   hg: parse error: followlines expects exactly one file
   [255]
   $ hg log -r 'followlines(baz, 1:)'
   hg: parse error: line range bounds must be integers
   [255]
   $ hg log -r 'followlines(baz, :1)'
   hg: parse error: line range bounds must be integers
   [255]
   $ hg log -r 'followlines(baz, x:4)'
   hg: parse error: line range bounds must be integers
   [255]
   $ hg log -r 'followlines(baz, 5:4)'
   hg: parse error: line range must be positive
   [255]
   $ hg log -r 'followlines(baz, 0:4)'
   hg: parse error: fromline must be strictly positive
   [255]
   $ hg log -r 'followlines(baz, 2:40)'
   abort: line range exceeds file size
   [255]
   $ hg log -r 'followlines(baz, 2:4, startrev=20, descend=[1])'
   hg: parse error at 43: not a prefix: [
   (followlines(baz, 2:4, startrev=20, descend=[1])
                                               ^ here)
   [255]
   $ hg log -r 'followlines(baz, 2:4, startrev=20, descend=a)'
   hg: parse error: descend argument must be a boolean
   [255]
 
 Test empty annotate output
 
   $ printf '\0' > binary
   $ touch empty
   $ hg ci -qAm 'add binary and empty files'
 
   $ hg annotate binary empty
   binary: binary file
 
   $ hg annotate -Tjson binary empty
   [
    {
     "abspath": "binary",
     "path": "binary"
    },
    {
     "abspath": "empty",
     "lines": [],
     "path": "empty"
    }
   ]
 
 Test annotate with whitespace options
 
   $ cd ..
   $ hg init repo-ws
   $ cd repo-ws
   $ cat > a <<EOF
   > aa
   > 
   > b b
   > EOF
   $ hg ci -Am "adda"
   adding a
   $ sed 's/EOL$//g' > a <<EOF
   > a  a
   > 
   >  EOL
   > b  b
   > EOF
   $ hg ci -m "changea"
 
 Annotate with no option
 
   $ hg annotate a
   1: a  a
   0: 
   1:  
   1: b  b
 
 Annotate with --ignore-space-change
 
   $ hg annotate --ignore-space-change a
   1: a  a
   1: 
   0:  
   0: b  b
 
 Annotate with --ignore-all-space
 
   $ hg annotate --ignore-all-space a
   0: a  a
   0: 
   1:  
   0: b  b
 
 Annotate with --ignore-blank-lines (similar to no options case)
 
   $ hg annotate --ignore-blank-lines a
   1: a  a
   0: 
   1:  
   1: b  b
 
   $ cd ..
 
 Annotate with orphaned CR (issue5798)
 -------------------------------------
 
   $ hg init repo-cr
   $ cd repo-cr
 
-  $ substcr() {
-  > sed 's/\r/[CR]/g'
-  > }
+  $ cat <<'EOF' >> "$TESTTMP/substcr.py"
+  > import sys
+  > from mercurial import util
+  > util.setbinary(sys.stdin)
+  > util.setbinary(sys.stdout)
+  > stdin = getattr(sys.stdin, 'buffer', sys.stdin)
+  > stdout = getattr(sys.stdout, 'buffer', sys.stdout)
+  > stdout.write(stdin.read().replace(b'\r', b'[CR]'))
+  > EOF
 
   >>> with open('a', 'wb') as f:
   ...     f.write(b'0a\r0b\r\n0c\r0d\r\n0e\n0f\n0g')
   $ hg ci -qAm0
   >>> with open('a', 'wb') as f:
   ...     f.write(b'0a\r0b\r\n1c\r1d\r\n0e\n1f\n0g')
   $ hg ci -m1
 
-  $ hg annotate -r0 a | substcr
+  $ hg annotate -r0 a | $PYTHON "$TESTTMP/substcr.py"
   0: 0a[CR]0b[CR]
   0: 0c[CR]0d[CR]
   0: 0e
   0: 0f
   0: 0g
-  $ hg annotate -r1 a | substcr
+  $ hg annotate -r1 a | $PYTHON "$TESTTMP/substcr.py"
   0: 0a[CR]0b[CR]
   1: 1c[CR]1d[CR]
   0: 0e
   1: 1f
   0: 0g
 
   $ cd ..
 
 Annotate with linkrev pointing to another branch
 ------------------------------------------------
 
 create history with a filerev whose linkrev points to another branch
 
   $ hg init branchedlinkrev
   $ cd branchedlinkrev
   $ echo A > a
   $ hg commit -Am 'contentA'
   adding a
   $ echo B >> a
   $ hg commit -m 'contentB'
   $ hg up --rev 'desc(contentA)'
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ echo unrelated > unrelated
   $ hg commit -Am 'unrelated'
   adding unrelated
   created new head
   $ hg graft -r 'desc(contentB)'
   grafting 1:fd27c222e3e6 "contentB"
   $ echo C >> a
   $ hg commit -m 'contentC'
   $ echo W >> a
   $ hg log -G
   @  changeset:   4:072f1e8df249
   |  tag:         tip
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     contentC
   |
   o  changeset:   3:ff38df03cc4b
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     contentB
   |
   o  changeset:   2:62aaf3f6fc06
   |  parent:      0:f0932f74827e
   |  user:        test
   |  date:        Thu Jan 01 00:00:00 1970 +0000
   |  summary:     unrelated
   |
   | o  changeset:   1:fd27c222e3e6
   |/   user:        test
   |    date:        Thu Jan 01 00:00:00 1970 +0000
   |    summary:     contentB
   |
   o  changeset:   0:f0932f74827e
      user:        test
      date:        Thu Jan 01 00:00:00 1970 +0000
      summary:     contentA
   
 
 Annotate should list ancestor of starting revision only
 
   $ hg annotate a
   0: A
   3: B
   4: C
 
   $ hg annotate a -r 'wdir()'
   0 : A
   3 : B
   4 : C
   4+: W
 
 Even when the starting revision is the linkrev-shadowed one:
 
   $ hg annotate a -r 3
   0: A
   3: B
 
   $ cd ..
 
 Issue5360: Deleted chunk in p1 of a merge changeset
 
   $ hg init repo-5360
   $ cd repo-5360
   $ echo 1 > a
   $ hg commit -A a -m 1
   $ echo 2 >> a
   $ hg commit -m 2
   $ echo a > a
   $ hg commit -m a
   $ hg update '.^' -q
   $ echo 3 >> a
   $ hg commit -m 3 -q
   $ hg merge 2 -q
   $ cat > a << EOF
   > b
   > 1
   > 2
   > 3
   > a
   > EOF
   $ hg resolve --mark -q
   $ hg commit -m m
   $ hg annotate a
   4: b
   0: 1
   1: 2
   3: 3
   2: a
 
   $ cd ..

tests/test-http-bundle1.t

@@ -1,412 +1,404 b''
 #require serve
 
 This test is a duplicate of 'test-http.t', feel free to factor out
 parts that are not bundle1/bundle2 specific.
 
   $ cat << EOF >> $HGRCPATH
   > [devel]
   > # This test is dedicated to interaction through old bundle
   > legacy.exchange = bundle1
   > EOF
 
   $ hg init test
   $ cd test
   $ echo foo>foo
   $ mkdir foo.d foo.d/bAr.hg.d foo.d/baR.d.hg
   $ echo foo>foo.d/foo
   $ echo bar>foo.d/bAr.hg.d/BaR
   $ echo bar>foo.d/baR.d.hg/bAR
   $ hg commit -A -m 1
   adding foo
   adding foo.d/bAr.hg.d/BaR
   adding foo.d/baR.d.hg/bAR
   adding foo.d/foo
   $ hg serve -p $HGPORT -d --pid-file=../hg1.pid -E ../error.log
   $ hg serve --config server.uncompressed=False -p $HGPORT1 -d --pid-file=../hg2.pid
 
 Test server address cannot be reused
 
   $ hg serve -p $HGPORT1 2>&1
   abort: cannot start server at 'localhost:$HGPORT1': $EADDRINUSE$
   [255]
 
   $ cd ..
   $ cat hg1.pid hg2.pid >> $DAEMON_PIDS
 
 clone via stream
 
   $ hg clone --stream http://localhost:$HGPORT/ copy 2>&1
   streaming all changes
   6 files to transfer, 606 bytes of data
   transferred * bytes in * seconds (*/sec) (glob)
   searching for changes
   no changes found
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg verify -R copy
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   4 files, 1 changesets, 4 total revisions
 
 try to clone via stream, should use pull instead
 
   $ hg clone --stream http://localhost:$HGPORT1/ copy2
   warning: stream clone requested but server has them disabled
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 try to clone via stream but missing requirements, so should use pull instead
 
   $ cat > $TESTTMP/removesupportedformat.py << EOF
   > from mercurial import localrepo
   > def extsetup(ui):
   >     localrepo.localrepository.supportedformats.remove(b'generaldelta')
   > EOF
 
   $ hg clone --config extensions.rsf=$TESTTMP/removesupportedformat.py --stream http://localhost:$HGPORT/ copy3
   warning: stream clone requested but client is missing requirements: generaldelta
   (see https://www.mercurial-scm.org/wiki/MissingRequirement for more information)
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 clone via pull
 
   $ hg clone http://localhost:$HGPORT1/ copy-pull
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg verify -R copy-pull
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   4 files, 1 changesets, 4 total revisions
   $ cd test
   $ echo bar > bar
   $ hg commit -A -d '1 0' -m 2
   adding bar
   $ cd ..
 
 clone over http with --update
 
   $ hg clone http://localhost:$HGPORT1/ updated --update 0
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 5 changes to 5 files
   new changesets 8b6053c928fe:5fed3813f7f5
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg log -r . -R updated
   changeset:   0:8b6053c928fe
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     1
   
   $ rm -rf updated
 
 incoming via HTTP
 
   $ hg clone http://localhost:$HGPORT1/ --rev 0 partial
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd partial
   $ touch LOCAL
   $ hg ci -qAm LOCAL
   $ hg incoming http://localhost:$HGPORT1/ --template '{desc}\n'
   comparing with http://localhost:$HGPORT1/
   searching for changes
   2
   $ cd ..
 
 pull
 
   $ cd copy-pull
   $ cat >> .hg/hgrc <<EOF
   > [hooks]
   > changegroup = sh -c "printenv.py changegroup"
   > EOF
   $ hg pull
   pulling from http://localhost:$HGPORT1/
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 5fed3813f7f5
   changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=5fed3813f7f5e1824344fdc9cf8f63bb662c292d HG_NODE_LAST=5fed3813f7f5e1824344fdc9cf8f63bb662c292d HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=http://localhost:$HGPORT1/
   (run 'hg update' to get a working copy)
   $ cd ..
 
 clone from invalid URL
 
   $ hg clone http://localhost:$HGPORT/bad
   abort: HTTP Error 404: Not Found
   [255]
 
 test http authentication
 + use the same server to test server side streaming preference
 
   $ cd test
   $ cat << EOT > userpass.py
   > import base64
   > from mercurial.hgweb import common
   > def perform_authentication(hgweb, req, op):
   >     auth = req.env.get('HTTP_AUTHORIZATION')
   >     if not auth:
   >         raise common.ErrorResponse(common.HTTP_UNAUTHORIZED, 'who',
   >                 [('WWW-Authenticate', 'Basic Realm="mercurial"')])
   >     if base64.b64decode(auth.split()[1]).split(b':', 1) != [b'user',
   >                                                             b'pass']:
   >         raise common.ErrorResponse(common.HTTP_FORBIDDEN, 'no')
   > def extsetup():
   >     common.permhooks.insert(0, perform_authentication)
   > EOT
   $ hg serve --config extensions.x=userpass.py -p $HGPORT2 -d --pid-file=pid \
   >    --config server.preferuncompressed=True \
   >    --config web.push_ssl=False --config web.allow_push=* -A ../access.log
   $ cat pid >> $DAEMON_PIDS
 
   $ cat << EOF > get_pass.py
   > import getpass
   > def newgetpass(arg):
   >   return "pass"
   > getpass.getpass = newgetpass
   > EOF
 
   $ hg id http://localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id http://localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id --config ui.interactive=true --config extensions.getpass=get_pass.py http://user@localhost:$HGPORT2/
   http authorization required for http://localhost:$HGPORT2/
   realm: mercurial
   user: user
   password: 5fed3813f7f5
   $ hg id http://user:pass@localhost:$HGPORT2/
   5fed3813f7f5
   $ echo '[auth]' >> .hg/hgrc
   $ echo 'l.schemes=http' >> .hg/hgrc
   $ echo 'l.prefix=lo' >> .hg/hgrc
   $ echo 'l.username=user' >> .hg/hgrc
   $ echo 'l.password=pass' >> .hg/hgrc
   $ hg id http://localhost:$HGPORT2/
   5fed3813f7f5
   $ hg id http://localhost:$HGPORT2/
   5fed3813f7f5
   $ hg id http://user@localhost:$HGPORT2/
   5fed3813f7f5
   $ hg clone http://user:pass@localhost:$HGPORT2/ dest 2>&1
   streaming all changes
   7 files to transfer, 916 bytes of data
   transferred * bytes in * seconds (*/sec) (glob)
   searching for changes
   no changes found
   updating to branch default
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
 --pull should override server's preferuncompressed
   $ hg clone --pull http://user:pass@localhost:$HGPORT2/ dest-pull 2>&1
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 5 changes to 5 files
   new changesets 8b6053c928fe:5fed3813f7f5
   updating to branch default
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ hg id http://user2@localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id http://user:pass2@localhost:$HGPORT2/
   abort: HTTP Error 403: no
   [255]
 
   $ hg -R dest tag -r tip top
   $ hg -R dest push http://user:pass@localhost:$HGPORT2/
   pushing to http://user:***@localhost:$HGPORT2/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   $ hg rollback -q
 
   $ sed 's/.*] "/"/' < ../access.log
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=stream_out HTTP/1.1" 401 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=stream_out HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 403 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=686173686564+5eb5abfefeea63c80dd7553bcc3783f37e0c5524* (glob)
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
 
   $ cd ..
 
 clone of serve with repo in root and unserved subrepo (issue2970)
 
   $ hg --cwd test init sub
   $ echo empty > test/sub/empty
   $ hg --cwd test/sub add empty
   $ hg --cwd test/sub commit -qm 'add empty'
   $ hg --cwd test/sub tag -r 0 something
   $ echo sub = sub > test/.hgsub
   $ hg --cwd test add .hgsub
   $ hg --cwd test commit -qm 'add subrepo'
   $ hg clone http://localhost:$HGPORT noslash-clone
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 7 changes to 7 files
   new changesets 8b6053c928fe:56f9bc90cce6
   updating to branch default
   abort: HTTP Error 404: Not Found
   [255]
   $ hg clone http://localhost:$HGPORT/ slash-clone
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 7 changes to 7 files
   new changesets 8b6053c928fe:56f9bc90cce6
   updating to branch default
   abort: HTTP Error 404: Not Found
   [255]
 
 check error log
 
   $ cat error.log
 
 Check error reporting while pulling/cloning
 
   $ $RUNTESTDIR/killdaemons.py
   $ hg serve -R test -p $HGPORT -d --pid-file=hg3.pid -E error.log --config extensions.crash=${TESTDIR}/crashgetbundler.py
   $ cat hg3.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT/ abort-clone
   requesting all changes
   abort: remote error:
   this is an exercise
   [255]
   $ cat error.log
 
 disable pull-based clones
 
   $ hg serve -R test -p $HGPORT1 -d --pid-file=hg4.pid -E error.log --config server.disablefullbundle=True
   $ cat hg4.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT1/ disable-pull-clone
   requesting all changes
   abort: remote error:
   server has pull-based clones disabled
   [255]
 
 ... but keep stream clones working
 
   $ hg clone --stream --noupdate http://localhost:$HGPORT1/ test-stream-clone
   streaming all changes
   * files to transfer, * of data (glob)
   transferred * in * seconds (* KB/sec) (glob)
   searching for changes
   no changes found
 
 ... and also keep partial clones and pulls working
   $ hg clone http://localhost:$HGPORT1 --rev 0 test-partial-clone
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg pull -R test-partial-clone
   pulling from http://localhost:$HGPORT1/
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 3 changes to 3 files
   new changesets 5fed3813f7f5:56f9bc90cce6
   (run 'hg update' to get a working copy)
 
   $ cat error.log

tests/test-http.t

@@ -1,560 +1,552 b''
 #require killdaemons serve
 
   $ hg init test
   $ cd test
   $ echo foo>foo
   $ mkdir foo.d foo.d/bAr.hg.d foo.d/baR.d.hg
   $ echo foo>foo.d/foo
   $ echo bar>foo.d/bAr.hg.d/BaR
   $ echo bar>foo.d/baR.d.hg/bAR
   $ hg commit -A -m 1
   adding foo
   adding foo.d/bAr.hg.d/BaR
   adding foo.d/baR.d.hg/bAR
   adding foo.d/foo
   $ hg serve -p $HGPORT -d --pid-file=../hg1.pid -E ../error.log
   $ hg serve --config server.uncompressed=False -p $HGPORT1 -d --pid-file=../hg2.pid
 
 Test server address cannot be reused
 
   $ hg serve -p $HGPORT1 2>&1
   abort: cannot start server at 'localhost:$HGPORT1': $EADDRINUSE$
   [255]
 
   $ cd ..
   $ cat hg1.pid hg2.pid >> $DAEMON_PIDS
 
 clone via stream
 
   $ hg clone --stream http://localhost:$HGPORT/ copy 2>&1
   streaming all changes
   6 files to transfer, 606 bytes of data
   transferred * bytes in * seconds (*/sec) (glob)
   searching for changes
   no changes found
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg verify -R copy
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   4 files, 1 changesets, 4 total revisions
 
 try to clone via stream, should use pull instead
 
   $ hg clone --stream http://localhost:$HGPORT1/ copy2
   warning: stream clone requested but server has them disabled
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 try to clone via stream but missing requirements, so should use pull instead
 
   $ cat > $TESTTMP/removesupportedformat.py << EOF
   > from mercurial import localrepo
   > def extsetup(ui):
   >     localrepo.localrepository.supportedformats.remove('generaldelta')
   > EOF
 
   $ hg clone --config extensions.rsf=$TESTTMP/removesupportedformat.py --stream http://localhost:$HGPORT/ copy3
   warning: stream clone requested but client is missing requirements: generaldelta
   (see https://www.mercurial-scm.org/wiki/MissingRequirement for more information)
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 clone via pull
 
   $ hg clone http://localhost:$HGPORT1/ copy-pull
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg verify -R copy-pull
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   4 files, 1 changesets, 4 total revisions
   $ cd test
   $ echo bar > bar
   $ hg commit -A -d '1 0' -m 2
   adding bar
   $ cd ..
 
 clone over http with --update
 
   $ hg clone http://localhost:$HGPORT1/ updated --update 0
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 5 changes to 5 files
   new changesets 8b6053c928fe:5fed3813f7f5
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg log -r . -R updated
   changeset:   0:8b6053c928fe
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     1
   
   $ rm -rf updated
 
 incoming via HTTP
 
   $ hg clone http://localhost:$HGPORT1/ --rev 0 partial
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd partial
   $ touch LOCAL
   $ hg ci -qAm LOCAL
   $ hg incoming http://localhost:$HGPORT1/ --template '{desc}\n'
   comparing with http://localhost:$HGPORT1/
   searching for changes
   2
   $ cd ..
 
 pull
 
   $ cd copy-pull
   $ cat >> .hg/hgrc <<EOF
   > [hooks]
   > changegroup = sh -c "printenv.py changegroup"
   > EOF
   $ hg pull
   pulling from http://localhost:$HGPORT1/
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 5fed3813f7f5
   changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=5fed3813f7f5e1824344fdc9cf8f63bb662c292d HG_NODE_LAST=5fed3813f7f5e1824344fdc9cf8f63bb662c292d HG_SOURCE=pull HG_TXNID=TXN:$ID$ HG_URL=http://localhost:$HGPORT1/
   (run 'hg update' to get a working copy)
   $ cd ..
 
 clone from invalid URL
 
   $ hg clone http://localhost:$HGPORT/bad
   abort: HTTP Error 404: Not Found
   [255]
 
 test http authentication
 + use the same server to test server side streaming preference
 
   $ cd test
   $ cat << EOT > userpass.py
   > import base64
   > from mercurial.hgweb import common
   > def perform_authentication(hgweb, req, op):
   >     auth = req.env.get('HTTP_AUTHORIZATION')
   >     if not auth:
   >         raise common.ErrorResponse(common.HTTP_UNAUTHORIZED, 'who',
   >                 [('WWW-Authenticate', 'Basic Realm="mercurial"')])
   >     if base64.b64decode(auth.split()[1]).split(':', 1) != ['user', 'pass']:
   >         raise common.ErrorResponse(common.HTTP_FORBIDDEN, 'no')
   > def extsetup():
   >     common.permhooks.insert(0, perform_authentication)
   > EOT
   $ hg serve --config extensions.x=userpass.py -p $HGPORT2 -d --pid-file=pid \
   >    --config server.preferuncompressed=True \
   >    --config web.push_ssl=False --config web.allow_push=* -A ../access.log
   $ cat pid >> $DAEMON_PIDS
 
   $ cat << EOF > get_pass.py
   > import getpass
   > def newgetpass(arg):
   >   return "pass"
   > getpass.getpass = newgetpass
   > EOF
 
   $ hg id http://localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id http://localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id --config ui.interactive=true --config extensions.getpass=get_pass.py http://user@localhost:$HGPORT2/
   http authorization required for http://localhost:$HGPORT2/
   realm: mercurial
   user: user
   password: 5fed3813f7f5
   $ hg id http://user:pass@localhost:$HGPORT2/
   5fed3813f7f5
   $ echo '[auth]' >> .hg/hgrc
   $ echo 'l.schemes=http' >> .hg/hgrc
   $ echo 'l.prefix=lo' >> .hg/hgrc
   $ echo 'l.username=user' >> .hg/hgrc
   $ echo 'l.password=pass' >> .hg/hgrc
   $ hg id http://localhost:$HGPORT2/
   5fed3813f7f5
   $ hg id http://localhost:$HGPORT2/
   5fed3813f7f5
   $ hg id http://user@localhost:$HGPORT2/
   5fed3813f7f5
   $ hg clone http://user:pass@localhost:$HGPORT2/ dest 2>&1
   streaming all changes
   7 files to transfer, 916 bytes of data
   transferred * bytes in * seconds (*/sec) (glob)
   searching for changes
   no changes found
   updating to branch default
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
 --pull should override server's preferuncompressed
   $ hg clone --pull http://user:pass@localhost:$HGPORT2/ dest-pull 2>&1
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 5 changes to 5 files
   new changesets 8b6053c928fe:5fed3813f7f5
   updating to branch default
   5 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ hg id http://user2@localhost:$HGPORT2/
   abort: http authorization required for http://localhost:$HGPORT2/
   [255]
   $ hg id http://user:pass2@localhost:$HGPORT2/
   abort: HTTP Error 403: no
   [255]
 
   $ hg -R dest tag -r tip top
   $ hg -R dest push http://user:pass@localhost:$HGPORT2/
   pushing to http://user:***@localhost:$HGPORT2/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   $ hg rollback -q
   $ hg -R dest push http://user:pass@localhost:$HGPORT2/ --debug --config devel.debug.peer-request=yes
   pushing to http://user:***@localhost:$HGPORT2/
   using http://localhost:$HGPORT2/
   http auth: user user, password ****
   sending capabilities command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=capabilities
+  http auth: user user, password ****
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   query 1; heads
   sending batch command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=batch
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   68 bytes of commands arguments in headers
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   searching for changes
   all remote heads known locally
   preparing listkeys for "phases"
   sending listkeys command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=listkeys
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   16 bytes of commands arguments in headers
-  http auth: user user, password ****
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   received listkey for "phases": 58 bytes
   checking for updated bookmarks
   preparing listkeys for "bookmarks"
   sending listkeys command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=listkeys
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   19 bytes of commands arguments in headers
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   received listkey for "bookmarks": 0 bytes
   sending branchmap command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=branchmap
   devel-peer-request:   Vary X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   sending branchmap command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=branchmap
   devel-peer-request:   Vary X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   preparing listkeys for "bookmarks"
   sending listkeys command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=listkeys
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   19 bytes of commands arguments in headers
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   received listkey for "bookmarks": 0 bytes
   1 changesets found
   list of changesets:
   7f4e523d01f2cc3765ac8934da3d14db775ff872
   bundle2-output-bundle: "HG20", 5 parts total
   bundle2-output-part: "replycaps" 188 bytes payload
   bundle2-output-part: "check:phases" 24 bytes payload
   bundle2-output-part: "check:heads" streamed payload
   bundle2-output-part: "changegroup" (params: 1 mandatory) streamed payload
   bundle2-output-part: "phase-heads" 24 bytes payload
   sending unbundle command
   sending 996 bytes
   devel-peer-request: POST http://localhost:$HGPORT2/?cmd=unbundle
   devel-peer-request:   Content-length 996
   devel-peer-request:   Content-type application/mercurial-0.1
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   16 bytes of commands arguments in headers
   devel-peer-request:   996 bytes of data
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   bundle2-input-bundle: no-transaction
   bundle2-input-part: "reply:changegroup" (advisory) (params: 0 advisory) supported
   bundle2-input-part: "output" (advisory) (params: 0 advisory) supported
   bundle2-input-part: total payload size 100
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   bundle2-input-part: "output" (advisory) supported
   bundle2-input-bundle: 2 parts total
   preparing listkeys for "phases"
   sending listkeys command
   devel-peer-request: GET http://localhost:$HGPORT2/?cmd=listkeys
   devel-peer-request:   Vary X-HgArg-1,X-HgProto-1
   devel-peer-request:   X-hgproto-1 0.1 0.2 comp=$USUAL_COMPRESSIONS$
   devel-peer-request:   16 bytes of commands arguments in headers
   devel-peer-request:   finished in *.???? seconds (200) (glob)
   received listkey for "phases": 15 bytes
   $ hg rollback -q
 
   $ sed 's/.*] "/"/' < ../access.log
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=stream_out HTTP/1.1" 401 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=stream_out HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D5fed3813f7f5e1824344fdc9cf8f63bb662c292d x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&$USUAL_BUNDLE_CAPS$&cg=0&common=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=getbundle HTTP/1.1" 401 - x-hgarg-1:bookmarks=1&$USUAL_BUNDLE_CAPS$&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=getbundle HTTP/1.1" 200 - x-hgarg-1:bookmarks=1&$USUAL_BUNDLE_CAPS$&cg=1&common=0000000000000000000000000000000000000000&heads=5fed3813f7f5e1824344fdc9cf8f63bb662c292d&listkeys=bookmarks&phases=1 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=capabilities HTTP/1.1" 200 -
-  "GET /?cmd=lookup HTTP/1.1" 200 - x-hgarg-1:key=tip x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 403 - x-hgarg-1:namespace=namespaces x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
+  "GET /?cmd=capabilities HTTP/1.1" 403 -
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=666f726365* (glob)
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
+  "GET /?cmd=capabilities HTTP/1.1" 401 -
   "GET /?cmd=capabilities HTTP/1.1" 200 -
   "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=heads+%3Bknown+nodes%3D7f4e523d01f2cc3765ac8934da3d14db775ff872 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
-  "GET /?cmd=listkeys HTTP/1.1" 401 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=branchmap HTTP/1.1" 200 - x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=bookmarks x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "POST /?cmd=unbundle HTTP/1.1" 200 - x-hgarg-1:heads=666f726365 x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
   "GET /?cmd=listkeys HTTP/1.1" 200 - x-hgarg-1:namespace=phases x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$
 
   $ cd ..
 
 clone of serve with repo in root and unserved subrepo (issue2970)
 
   $ hg --cwd test init sub
   $ echo empty > test/sub/empty
   $ hg --cwd test/sub add empty
   $ hg --cwd test/sub commit -qm 'add empty'
   $ hg --cwd test/sub tag -r 0 something
   $ echo sub = sub > test/.hgsub
   $ hg --cwd test add .hgsub
   $ hg --cwd test commit -qm 'add subrepo'
   $ hg clone http://localhost:$HGPORT noslash-clone
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 7 changes to 7 files
   new changesets 8b6053c928fe:56f9bc90cce6
   updating to branch default
   abort: HTTP Error 404: Not Found
   [255]
   $ hg clone http://localhost:$HGPORT/ slash-clone
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 7 changes to 7 files
   new changesets 8b6053c928fe:56f9bc90cce6
   updating to branch default
   abort: HTTP Error 404: Not Found
   [255]
 
 check error log
 
   $ cat error.log
 
 check abort error reporting while pulling/cloning
 
   $ $RUNTESTDIR/killdaemons.py
   $ hg serve -R test -p $HGPORT -d --pid-file=hg3.pid -E error.log --config extensions.crash=${TESTDIR}/crashgetbundler.py
   $ cat hg3.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT/ abort-clone
   requesting all changes
   remote: abort: this is an exercise
   abort: pull failed on remote
   [255]
   $ cat error.log
 
 disable pull-based clones
 
   $ hg serve -R test -p $HGPORT1 -d --pid-file=hg4.pid -E error.log --config server.disablefullbundle=True
   $ cat hg4.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT1/ disable-pull-clone
   requesting all changes
   remote: abort: server has pull-based clones disabled
   abort: pull failed on remote
   (remove --pull if specified or upgrade Mercurial)
   [255]
 
 ... but keep stream clones working
 
   $ hg clone --stream --noupdate http://localhost:$HGPORT1/ test-stream-clone
   streaming all changes
   * files to transfer, * of data (glob)
   transferred * in * seconds (*/sec) (glob)
   searching for changes
   no changes found
   $ cat error.log
 
 ... and also keep partial clones and pulls working
   $ hg clone http://localhost:$HGPORT1 --rev 0 test-partial-clone
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 4 changes to 4 files
   new changesets 8b6053c928fe
   updating to branch default
   4 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg pull -R test-partial-clone
   pulling from http://localhost:$HGPORT1/
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 3 changes to 3 files
   new changesets 5fed3813f7f5:56f9bc90cce6
   (run 'hg update' to get a working copy)
 
 corrupt cookies file should yield a warning
 
   $ cat > $TESTTMP/cookies.txt << EOF
   > bad format
   > EOF
 
   $ hg --config auth.cookiefile=$TESTTMP/cookies.txt id http://localhost:$HGPORT/
   (error loading cookie file $TESTTMP/cookies.txt: '*/cookies.txt' does not look like a Netscape format cookies file; continuing without cookies) (glob)
   56f9bc90cce6
 
   $ killdaemons.py
 
 Create dummy authentication handler that looks for cookies. It doesn't do anything
 useful. It just raises an HTTP 500 with details about the Cookie request header.
 We raise HTTP 500 because its message is printed in the abort message.
 
   $ cat > cookieauth.py << EOF
   > from mercurial import util
   > from mercurial.hgweb import common
   > def perform_authentication(hgweb, req, op):
   >     cookie = req.env.get('HTTP_COOKIE')
   >     if not cookie:
   >         raise common.ErrorResponse(common.HTTP_SERVER_ERROR, 'no-cookie')
   >     raise common.ErrorResponse(common.HTTP_SERVER_ERROR, 'Cookie: %s' % cookie)
   > def extsetup():
   >     common.permhooks.insert(0, perform_authentication)
   > EOF
 
   $ hg serve --config extensions.cookieauth=cookieauth.py -R test -p $HGPORT -d --pid-file=pid
   $ cat pid > $DAEMON_PIDS
 
 Request without cookie sent should fail due to lack of cookie
 
   $ hg id http://localhost:$HGPORT
   abort: HTTP Error 500: no-cookie
   [255]
 
 Populate a cookies file
 
   $ cat > cookies.txt << EOF
   > # HTTP Cookie File
   > # Expiration is 2030-01-01 at midnight
   > .example.com	TRUE	/	FALSE	1893456000	hgkey	examplevalue
   > EOF
 
 Should not send a cookie for another domain
 
   $ hg --config auth.cookiefile=cookies.txt id http://localhost:$HGPORT/
   abort: HTTP Error 500: no-cookie
   [255]
 
 Add a cookie entry for our test server and verify it is sent
 
   $ cat >> cookies.txt << EOF
   > localhost.local	FALSE	/	FALSE	1893456000	hgkey	localhostvalue
   > EOF
 
   $ hg --config auth.cookiefile=cookies.txt id http://localhost:$HGPORT/
   abort: HTTP Error 500: Cookie: hgkey=localhostvalue
   [255]

tests/test-largefiles-wireproto.t

@@ -1,464 +1,464 b''
 #testcases sshv1 sshv2
 
 #if sshv2
   $ cat >> $HGRCPATH << EOF
   > [experimental]
   > sshpeer.advertise-v2 = true
   > sshserver.support-v2 = true
   > EOF
 #endif
 
 This file contains testcases that tend to be related to the wire protocol part
 of largefiles.
 
   $ USERCACHE="$TESTTMP/cache"; export USERCACHE
   $ mkdir "${USERCACHE}"
   $ cat >> $HGRCPATH <<EOF
   > [extensions]
   > largefiles=
   > purge=
   > rebase=
   > transplant=
   > [phases]
   > publish=False
   > [largefiles]
   > minsize=2
   > patterns=glob:**.dat
   > usercache=${USERCACHE}
   > [web]
   > allow_archive = zip
   > [hooks]
   > precommit=sh -c "echo \\"Invoking status precommit hook\\"; hg status"
   > EOF
 
 
 #if serve
 vanilla clients not locked out from largefiles servers on vanilla repos
   $ mkdir r1
   $ cd r1
   $ hg init
   $ echo c1 > f1
   $ hg add f1
   $ hg commit -m "m1"
   Invoking status precommit hook
   A f1
   $ cd ..
   $ hg serve -R r1 -d -p $HGPORT --pid-file hg.pid
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg --config extensions.largefiles=! clone http://localhost:$HGPORT r2
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets b6eb3a2e2efe
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 largefiles clients still work with vanilla servers
   $ hg serve --config extensions.largefiles=! -R r1 -d -p $HGPORT1 --pid-file hg.pid
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT1 r3
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets b6eb3a2e2efe
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 #endif
 
 vanilla clients locked out from largefiles http repos
   $ mkdir r4
   $ cd r4
   $ hg init
   $ echo c1 > f1
   $ hg add --large f1
   $ hg commit -m "m1"
   Invoking status precommit hook
   A f1
   $ cd ..
 
 largefiles can be pushed locally (issue3583)
   $ hg init dest
   $ cd r4
   $ hg outgoing ../dest
   comparing with ../dest
   searching for changes
   changeset:   0:639881c12b4c
   tag:         tip
   user:        test
   date:        Thu Jan 01 00:00:00 1970 +0000
   summary:     m1
   
   $ hg push ../dest
   pushing to ../dest
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
 
 exit code with nothing outgoing (issue3611)
   $ hg outgoing ../dest
   comparing with ../dest
   searching for changes
   no changes found
   [1]
   $ cd ..
 
 #if serve
   $ hg serve -R r4 -d -p $HGPORT2 --pid-file hg.pid
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg --config extensions.largefiles=! clone http://localhost:$HGPORT2 r5
   abort: remote error:
   
   This repository uses the largefiles extension.
   
   Please enable it in your Mercurial config file.
   [255]
 
 used all HGPORTs, kill all daemons
   $ killdaemons.py
 #endif
 
 vanilla clients locked out from largefiles ssh repos
   $ hg --config extensions.largefiles=! clone -e "\"$PYTHON\" \"$TESTDIR/dummyssh\"" ssh://user@dummy/r4 r5
   remote: 
   remote: This repository uses the largefiles extension.
   remote: 
   remote: Please enable it in your Mercurial config file.
   remote: 
   remote: -
   abort: remote error
   (check previous remote output)
   [255]
 
 #if serve
 
 largefiles clients refuse to push largefiles repos to vanilla servers
   $ mkdir r6
   $ cd r6
   $ hg init
   $ echo c1 > f1
   $ hg add f1
   $ hg commit -m "m1"
   Invoking status precommit hook
   A f1
   $ cat >> .hg/hgrc <<!
   > [web]
   > push_ssl = false
   > allow_push = *
   > !
   $ cd ..
   $ hg clone r6 r7
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd r7
   $ echo c2 > f2
   $ hg add --large f2
   $ hg commit -m "m2"
   Invoking status precommit hook
   A f2
   $ hg verify --large
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 2 changesets, 2 total revisions
   searching 1 changesets for largefiles
   verified existence of 1 revisions of 1 largefiles
   $ hg serve --config extensions.largefiles=! -R ../r6 -d -p $HGPORT --pid-file ../hg.pid
   $ cat ../hg.pid >> $DAEMON_PIDS
   $ hg push http://localhost:$HGPORT
   pushing to http://localhost:$HGPORT/
   searching for changes
   abort: http://localhost:$HGPORT/ does not appear to be a largefile store
   [255]
   $ cd ..
 
 putlfile errors are shown (issue3123)
 Corrupt the cached largefile in r7 and move it out of the servers usercache
   $ mv r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8 .
   $ echo 'client side corruption' > r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8
   $ rm "$USERCACHE/4cdac4d8b084d0b599525cf732437fb337d422a8"
   $ hg init empty
   $ hg serve -R empty -d -p $HGPORT1 --pid-file hg.pid \
   >   --config 'web.allow_push=*' --config web.push_ssl=False
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg push -R r7 http://localhost:$HGPORT1
   pushing to http://localhost:$HGPORT1/
   searching for changes
   remote: largefiles: failed to put 4cdac4d8b084d0b599525cf732437fb337d422a8 into store: largefile contents do not match hash
   abort: remotestore: could not put $TESTTMP/r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8 to remote store http://localhost:$HGPORT1/
   [255]
   $ mv 4cdac4d8b084d0b599525cf732437fb337d422a8 r7/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8
 Push of file that exists on server but is corrupted - magic healing would be nice ... but too magic
   $ echo "server side corruption" > empty/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8
   $ hg push -R r7 http://localhost:$HGPORT1
   pushing to http://localhost:$HGPORT1/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 2 changesets with 2 changes to 2 files
   $ cat empty/.hg/largefiles/4cdac4d8b084d0b599525cf732437fb337d422a8
   server side corruption
   $ rm -rf empty
 
 Push a largefiles repository to a served empty repository
   $ hg init r8
   $ echo c3 > r8/f1
   $ hg add --large r8/f1 -R r8
   $ hg commit -m "m1" -R r8
   Invoking status precommit hook
   A f1
   $ hg init empty
   $ hg serve -R empty -d -p $HGPORT2 --pid-file hg.pid \
   >   --config 'web.allow_push=*' --config web.push_ssl=False
   $ cat hg.pid >> $DAEMON_PIDS
   $ rm "${USERCACHE}"/*
   $ hg push -R r8 http://localhost:$HGPORT2/#default
   pushing to http://localhost:$HGPORT2/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   $ [ -f "${USERCACHE}"/02a439e5c31c526465ab1a0ca1f431f76b827b90 ]
   $ [ -f empty/.hg/largefiles/02a439e5c31c526465ab1a0ca1f431f76b827b90 ]
 
 Clone over http, no largefiles pulled on clone.
 
   $ hg clone http://localhost:$HGPORT2/#default http-clone -U
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets cf03e5bb9936
 
 Archive contains largefiles
   >>> import os
   >>> import urllib2
   >>> u = 'http://localhost:%s/archive/default.zip' % os.environ['HGPORT2']
   >>> with open('archive.zip', 'w') as f:
   ...     f.write(urllib2.urlopen(u).read())
   $ unzip -t archive.zip
   Archive:  archive.zip
       testing: empty-default/.hg_archival.txt*OK (glob)
       testing: empty-default/f1*OK (glob)
   No errors detected in compressed data of archive.zip.
 
 test 'verify' with remotestore:
 
   $ rm "${USERCACHE}"/02a439e5c31c526465ab1a0ca1f431f76b827b90
   $ mv empty/.hg/largefiles/02a439e5c31c526465ab1a0ca1f431f76b827b90 .
   $ hg -R http-clone verify --large --lfa
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   1 files, 1 changesets, 1 total revisions
   searching 1 changesets for largefiles
   changeset 0:cf03e5bb9936: f1 missing
   verified existence of 1 revisions of 1 largefiles
   [1]
   $ mv 02a439e5c31c526465ab1a0ca1f431f76b827b90 empty/.hg/largefiles/
   $ hg -R http-clone -q verify --large --lfa
 
 largefiles pulled on update - a largefile missing on the server:
   $ mv empty/.hg/largefiles/02a439e5c31c526465ab1a0ca1f431f76b827b90 .
   $ hg -R http-clone up --config largefiles.usercache=http-clone-usercache
   getting changed largefiles
   f1: largefile 02a439e5c31c526465ab1a0ca1f431f76b827b90 not available from http://localhost:$HGPORT2/
   0 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R http-clone st
   ! f1
   $ hg -R http-clone up -Cqr null
 
 largefiles pulled on update - a largefile corrupted on the server:
   $ echo corruption > empty/.hg/largefiles/02a439e5c31c526465ab1a0ca1f431f76b827b90
   $ hg -R http-clone up --config largefiles.usercache=http-clone-usercache
   getting changed largefiles
   f1: data corruption (expected 02a439e5c31c526465ab1a0ca1f431f76b827b90, got 6a7bb2556144babe3899b25e5428123735bb1e27)
   0 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R http-clone st
   ! f1
   $ [ ! -f http-clone/.hg/largefiles/02a439e5c31c526465ab1a0ca1f431f76b827b90 ]
   $ [ ! -f http-clone/f1 ]
   $ [ ! -f http-clone-usercache ]
   $ hg -R http-clone verify --large --lfc
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   1 files, 1 changesets, 1 total revisions
   searching 1 changesets for largefiles
   verified contents of 1 revisions of 1 largefiles
   $ hg -R http-clone up -Cqr null
 
 largefiles pulled on update - no server side problems:
   $ mv 02a439e5c31c526465ab1a0ca1f431f76b827b90 empty/.hg/largefiles/
   $ hg -R http-clone --debug up --config largefiles.usercache=http-clone-usercache --config progress.debug=true
   resolving manifests
    branchmerge: False, force: False, partial: False
    ancestor: 000000000000, local: 000000000000+, remote: cf03e5bb9936
    .hglf/f1: remote created -> g
   getting .hglf/f1
   updating: .hglf/f1 1/1 files (100.00%)
   getting changed largefiles
   using http://localhost:$HGPORT2/
   sending capabilities command
   sending batch command
   getting largefiles: 0/1 files (0.00%)
   getting f1:02a439e5c31c526465ab1a0ca1f431f76b827b90
   sending getlfile command
   found 02a439e5c31c526465ab1a0ca1f431f76b827b90 in store
   1 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ ls http-clone-usercache/*
   http-clone-usercache/02a439e5c31c526465ab1a0ca1f431f76b827b90
 
   $ rm -rf empty http-clone*
 
 used all HGPORTs, kill all daemons
   $ killdaemons.py
 
 largefiles should batch verify remote calls
 
   $ hg init batchverifymain
   $ cd batchverifymain
   $ echo "aaa" >> a
   $ hg add --large a
   $ hg commit -m "a"
   Invoking status precommit hook
   A a
   $ echo "bbb" >> b
   $ hg add --large b
   $ hg commit -m "b"
   Invoking status precommit hook
   A b
   $ cd ..
   $ hg serve -R batchverifymain -d -p $HGPORT --pid-file hg.pid \
   > -A access.log
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg clone --noupdate http://localhost:$HGPORT batchverifyclone
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 2 files
   new changesets 567253b0f523:04d19c27a332
   $ hg -R batchverifyclone verify --large --lfa
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   2 files, 2 changesets, 2 total revisions
   searching 2 changesets for largefiles
   verified existence of 2 revisions of 2 largefiles
   $ tail -1 access.log
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3D972a1a11f19934401291cc99117ec614933374ce%3Bstatlfile+sha%3Dc801c9cfe94400963fcb683246217d5db77f9a9a x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ (glob)
   $ hg -R batchverifyclone update
   getting changed largefiles
   2 largefiles updated, 0 removed
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 Clear log file before next test
 
   $ printf "" > access.log
 
 Verify should check file on remote server only when file is not
 available locally.
 
   $ echo "ccc" >> batchverifymain/c
   $ hg -R batchverifymain status
   ? c
   $ hg -R batchverifymain add --large batchverifymain/c
   $ hg -R batchverifymain commit -m "c"
   Invoking status precommit hook
   A c
   $ hg -R batchverifyclone pull
   pulling from http://localhost:$HGPORT/
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 6bba8cb6935d
   (run 'hg update' to get a working copy)
   $ hg -R batchverifyclone verify --lfa
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   3 files, 3 changesets, 3 total revisions
   searching 3 changesets for largefiles
   verified existence of 3 revisions of 3 largefiles
   $ tail -1 access.log
   $LOCALIP - - [$LOGDATE$] "GET /?cmd=batch HTTP/1.1" 200 - x-hgarg-1:cmds=statlfile+sha%3Dc8559c3c9cfb42131794b7d8009230403b9b454c x-hgproto-1:0.1 0.2 comp=$USUAL_COMPRESSIONS$ (glob)
 
   $ killdaemons.py
 
 largefiles should not ask for password again after successful authorization
 
   $ hg init credentialmain
   $ cd credentialmain
   $ echo "aaa" >> a
   $ hg add --large a
   $ hg commit -m "a"
   Invoking status precommit hook
   A a
 
 Before running server clear the user cache to force clone to download
 a large file from the server rather than to get it from the cache
 
   $ rm "${USERCACHE}"/*
 
   $ cd ..
   $ cat << EOT > userpass.py
   > import base64
   > from mercurial.hgweb import common
   > def perform_authentication(hgweb, req, op):
   >     auth = req.env.get('HTTP_AUTHORIZATION')
   >     if not auth:
   >         raise common.ErrorResponse(common.HTTP_UNAUTHORIZED, 'who',
   >                 [('WWW-Authenticate', 'Basic Realm="mercurial"')])
   >     if base64.b64decode(auth.split()[1]).split(':', 1) != ['user', 'pass']:
   >         raise common.ErrorResponse(common.HTTP_FORBIDDEN, 'no')
   > def extsetup():
   >     common.permhooks.insert(0, perform_authentication)
   > EOT
   $ hg serve --config extensions.x=userpass.py -R credentialmain \
   >          -d -p $HGPORT --pid-file hg.pid -A access.log
   $ cat hg.pid >> $DAEMON_PIDS
   $ cat << EOF > get_pass.py
   > import getpass
   > def newgetpass(arg):
   >   return "pass"
   > getpass.getpass = newgetpass
   > EOF
   $ hg clone --config ui.interactive=true --config extensions.getpass=get_pass.py \
   >          http://user@localhost:$HGPORT credentialclone
-  requesting all changes
   http authorization required for http://localhost:$HGPORT/
   realm: mercurial
   user: user
-  password: adding changesets
+  password: requesting all changes
+  adding changesets
   adding manifests
   adding file changes
   added 1 changesets with 1 changes to 1 files
   new changesets 567253b0f523
   updating to branch default
   getting changed largefiles
   1 largefiles updated, 0 removed
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
   $ killdaemons.py
   $ rm hg.pid access.log
 
 #endif

tests/test-lfs.t

@@ -1,1102 +1,1102 b''
 # Initial setup
 
   $ cat >> $HGRCPATH << EOF
   > [extensions]
   > lfs=
   > [lfs]
   > # Test deprecated config
   > threshold=1000B
   > EOF
 
   $ LONG=AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
 
 # Prepare server and enable extension
   $ hg init server
   $ hg clone -q server client
   $ cd client
 
 # Commit small file
   $ echo s > smallfile
   $ echo '**.py = LF' > .hgeol
   $ hg --config lfs.track='"size(\">1000B\")"' commit -Aqm "add small file"
   hg: parse error: unsupported file pattern: size(">1000B")
   (paths must be prefixed with "path:")
   [255]
   $ hg --config lfs.track='size(">1000B")' commit -Aqm "add small file"
 
 # Commit large file
   $ echo $LONG > largefile
   $ grep lfs .hg/requires
   [1]
   $ hg commit --traceback -Aqm "add large file"
   $ grep lfs .hg/requires
   lfs
 
 # Ensure metadata is stored
   $ hg debugdata largefile 0
   version https://git-lfs.github.com/spec/v1
   oid sha256:f11e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
   size 1501
   x-is-binary 0
 
 # Check the blobstore is populated
   $ find .hg/store/lfs/objects | sort
   .hg/store/lfs/objects
   .hg/store/lfs/objects/f1
   .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
 
 # Check the blob stored contains the actual contents of the file
   $ cat .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
   AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
 
 # Push changes to the server
 
   $ hg push
   pushing to $TESTTMP/server
   searching for changes
   abort: lfs.url needs to be configured
   [255]
 
   $ cat >> $HGRCPATH << EOF
   > [lfs]
   > url=file:$TESTTMP/dummy-remote/
   > EOF
 
 Push to a local non-lfs repo with the extension enabled will add the
 lfs requirement
 
   $ grep lfs $TESTTMP/server/.hg/requires
   [1]
   $ hg push -v | egrep -v '^(uncompressed| )'
   pushing to $TESTTMP/server
   searching for changes
   lfs: found f11e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b in the local lfs store
   2 changesets found
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 3 changes to 3 files
   calling hook pretxnchangegroup.lfs: hgext.lfs.checkrequireslfs
   $ grep lfs $TESTTMP/server/.hg/requires
   lfs
 
 # Unknown URL scheme
 
   $ hg push --config lfs.url=ftp://foobar
   abort: lfs: unknown url scheme: ftp
   [255]
 
   $ cd ../
 
 # Initialize new client (not cloning) and setup extension
   $ hg init client2
   $ cd client2
   $ cat >> .hg/hgrc <<EOF
   > [paths]
   > default = $TESTTMP/server
   > EOF
 
 # Pull from server
 
 Pulling a local lfs repo into a local non-lfs repo with the extension
 enabled adds the lfs requirement
 
   $ grep lfs .hg/requires $TESTTMP/server/.hg/requires
   $TESTTMP/server/.hg/requires:lfs
   $ hg pull default
   pulling from $TESTTMP/server
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 3 changes to 3 files
   new changesets 0ead593177f7:b88141481348
   (run 'hg update' to get a working copy)
   $ grep lfs .hg/requires $TESTTMP/server/.hg/requires
   .hg/requires:lfs
   $TESTTMP/server/.hg/requires:lfs
 
 # Check the blobstore is not yet populated
   $ [ -d .hg/store/lfs/objects ]
   [1]
 
 # Update to the last revision containing the large file
   $ hg update
   3 files updated, 0 files merged, 0 files removed, 0 files unresolved
 
 # Check the blobstore has been populated on update
   $ find .hg/store/lfs/objects | sort
   .hg/store/lfs/objects
   .hg/store/lfs/objects/f1
   .hg/store/lfs/objects/f1/1e77c257047a398492d8d6cb9f6acf3aa7c4384bb23080b43546053e183e4b
 
 # Check the contents of the file are fetched from blobstore when requested
   $ hg cat -r . largefile
   AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
 
 # Check the file has been copied in the working copy
   $ cat largefile
   AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAABBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
 
   $ cd ..
 
 # Check rename, and switch between large and small files
 
   $ hg init repo3
   $ cd repo3
   $ cat >> .hg/hgrc << EOF
   > [lfs]
   > track=size(">10B")
   > EOF
 
   $ echo LONGER-THAN-TEN-BYTES-WILL-TRIGGER-LFS > large
   $ echo SHORTER > small
   $ hg add . -q
   $ hg commit -m 'commit with lfs content'
 
   $ hg files -r . 'set:added()'
   large
   small
   $ hg files -r . 'set:added() & lfs()'
   large
 
   $ hg mv large l
   $ hg mv small s
   $ hg status 'set:removed()'
   R large
   R small
   $ hg status 'set:removed() & lfs()'
   R large
   $ hg commit -m 'renames'
 
   $ hg files -r . 'set:copied()'
   l
   s
   $ hg files -r . 'set:copied() & lfs()'
   l
   $ hg status --change . 'set:removed()'
   R large
   R small
   $ hg status --change . 'set:removed() & lfs()'
   R large
 
   $ echo SHORT > l
   $ echo BECOME-LARGER-FROM-SHORTER > s
   $ hg commit -m 'large to small, small to large'
 
   $ echo 1 >> l
   $ echo 2 >> s
   $ hg commit -m 'random modifications'
 
   $ echo RESTORE-TO-BE-LARGE > l
   $ echo SHORTER > s
   $ hg commit -m 'switch large and small again'
 
 # Test lfs_files template
 
   $ hg log -r 'all()' -T '{rev} {join(lfs_files, ", ")}\n'
   0 large
   1 l, large
   2 s
   3 s
   4 l
 
 # Push and pull the above repo
 
   $ hg --cwd .. init repo4
   $ hg push ../repo4
   pushing to ../repo4
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 5 changesets with 10 changes to 4 files
 
   $ hg --cwd .. init repo5
   $ hg --cwd ../repo5 pull ../repo3
   pulling from ../repo3
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 5 changesets with 10 changes to 4 files
   new changesets fd47a419c4f7:5adf850972b9
   (run 'hg update' to get a working copy)
 
   $ cd ..
 
 # Test clone
 
   $ hg init repo6
   $ cd repo6
   $ cat >> .hg/hgrc << EOF
   > [lfs]
   > track=size(">30B")
   > EOF
 
   $ echo LARGE-BECAUSE-IT-IS-MORE-THAN-30-BYTES > large
   $ echo SMALL > small
   $ hg commit -Aqm 'create a lfs file' large small
   $ hg debuglfsupload -r 'all()' -v
   lfs: found 8e92251415339ae9b148c8da89ed5ec665905166a1ab11b09dca8fad83344738 in the local lfs store
 
   $ cd ..
 
   $ hg clone repo6 repo7
   updating to branch default
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd repo7
   $ hg config extensions --debug | grep lfs
   $TESTTMP/repo7/.hg/hgrc:*: extensions.lfs= (glob)
   $ cat large
   LARGE-BECAUSE-IT-IS-MORE-THAN-30-BYTES
   $ cat small
   SMALL
 
   $ cd ..
 
   $ hg --config extensions.share= share repo7 sharedrepo
   updating working directory
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R sharedrepo config extensions --debug | grep lfs
   $TESTTMP/sharedrepo/.hg/hgrc:*: extensions.lfs= (glob)
 
 # Test rename and status
 
   $ hg init repo8
   $ cd repo8
   $ cat >> .hg/hgrc << EOF
   > [lfs]
   > track=size(">10B")
   > EOF
 
   $ echo THIS-IS-LFS-BECAUSE-10-BYTES > a1
   $ echo SMALL > a2
   $ hg commit -m a -A a1 a2
   $ hg status
   $ hg mv a1 b1
   $ hg mv a2 a1
   $ hg mv b1 a2
   $ hg commit -m b
   $ hg status
   >>> with open('a2', 'wb') as f:
   ...     f.write(b'\1\nSTART-WITH-HG-FILELOG-METADATA')
   >>> with open('a1', 'wb') as f:
   ...     f.write(b'\1\nMETA\n')
   $ hg commit -m meta
   $ hg status
   $ hg log -T '{rev}: {file_copies} | {file_dels} | {file_adds}\n'
   2:  |  | 
   1: a1 (a2)a2 (a1) |  | 
   0:  |  | a1 a2
 
   $ for n in a1 a2; do
   >   for r in 0 1 2; do
   >     printf '\n%s @ %s\n' $n $r
   >     hg debugdata $n $r
   >   done
   > done
   
   a1 @ 0
   version https://git-lfs.github.com/spec/v1
   oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   size 29
   x-is-binary 0
   
   a1 @ 1
   \x01 (esc)
   copy: a2
   copyrev: 50470ad23cf937b1f4b9f80bfe54df38e65b50d9
   \x01 (esc)
   SMALL
   
   a1 @ 2
   \x01 (esc)
   \x01 (esc)
   \x01 (esc)
   META
   
   a2 @ 0
   SMALL
   
   a2 @ 1
   version https://git-lfs.github.com/spec/v1
   oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   size 29
   x-hg-copy a1
   x-hg-copyrev be23af27908a582af43e5cda209a5a9b319de8d4
   x-is-binary 0
   
   a2 @ 2
   version https://git-lfs.github.com/spec/v1
   oid sha256:876dadc86a8542f9798048f2c47f51dbf8e4359aed883e8ec80c5db825f0d943
   size 32
   x-is-binary 0
 
 # Verify commit hashes include rename metadata
 
   $ hg log -T '{rev}:{node|short} {desc}\n'
   2:0fae949de7fa meta
   1:9cd6bdffdac0 b
   0:7f96794915f7 a
 
   $ cd ..
 
 # Test bundle
 
   $ hg init repo9
   $ cd repo9
   $ cat >> .hg/hgrc << EOF
   > [lfs]
   > track=size(">10B")
   > [diff]
   > git=1
   > EOF
 
   $ for i in 0 single two three 4; do
   >   echo 'THIS-IS-LFS-'$i > a
   >   hg commit -m a-$i -A a
   > done
 
   $ hg update 2 -q
   $ echo 'THIS-IS-LFS-2-CHILD' > a
   $ hg commit -m branching -q
 
   $ hg bundle --base 1 bundle.hg -v
   lfs: found 5ab7a3739a5feec94a562d070a14f36dba7cad17e5484a4a89eea8e5f3166888 in the local lfs store
   lfs: found a9c7d1cd6ce2b9bbdf46ed9a862845228717b921c089d0d42e3bcaed29eb612e in the local lfs store
   lfs: found f693890c49c409ec33673b71e53f297681f76c1166daf33b2ad7ebf8b1d3237e in the local lfs store
   lfs: found fda198fea753eb66a252e9856915e1f5cddbe41723bd4b695ece2604ad3c9f75 in the local lfs store
   4 changesets found
   uncompressed size of bundle content:
        * (changelog) (glob)
        * (manifests) (glob)
-       *  a (glob)
+      * a (glob)
   $ hg --config extensions.strip= strip -r 2 --no-backup --force -q
   $ hg -R bundle.hg log -p -T '{rev} {desc}\n' a
   5 branching
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-two
   +THIS-IS-LFS-2-CHILD
   
   4 a-4
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-three
   +THIS-IS-LFS-4
   
   3 a-three
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-two
   +THIS-IS-LFS-three
   
   2 a-two
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-single
   +THIS-IS-LFS-two
   
   1 a-single
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-0
   +THIS-IS-LFS-single
   
   0 a-0
   diff --git a/a b/a
   new file mode 100644
   --- /dev/null
   +++ b/a
   @@ -0,0 +1,1 @@
   +THIS-IS-LFS-0
   
   $ hg bundle -R bundle.hg --base 1 bundle-again.hg -q
   $ hg -R bundle-again.hg log -p -T '{rev} {desc}\n' a
   5 branching
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-two
   +THIS-IS-LFS-2-CHILD
   
   4 a-4
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-three
   +THIS-IS-LFS-4
   
   3 a-three
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-two
   +THIS-IS-LFS-three
   
   2 a-two
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-single
   +THIS-IS-LFS-two
   
   1 a-single
   diff --git a/a b/a
   --- a/a
   +++ b/a
   @@ -1,1 +1,1 @@
   -THIS-IS-LFS-0
   +THIS-IS-LFS-single
   
   0 a-0
   diff --git a/a b/a
   new file mode 100644
   --- /dev/null
   +++ b/a
   @@ -0,0 +1,1 @@
   +THIS-IS-LFS-0
   
   $ cd ..
 
 # Test isbinary
 
   $ hg init repo10
   $ cd repo10
   $ cat >> .hg/hgrc << EOF
   > [extensions]
   > lfs=
   > [lfs]
   > track=all()
   > EOF
   $ $PYTHON <<'EOF'
   > def write(path, content):
   >     with open(path, 'wb') as f:
   >         f.write(content)
   > write('a', b'\0\0')
   > write('b', b'\1\n')
   > write('c', b'\1\n\0')
   > write('d', b'xx')
   > EOF
   $ hg add a b c d
   $ hg diff --stat
    a |  Bin 
    b |    1 +
    c |  Bin 
    d |    1 +
    4 files changed, 2 insertions(+), 0 deletions(-)
   $ hg commit -m binarytest
   $ cat > $TESTTMP/dumpbinary.py << EOF
   > def reposetup(ui, repo):
   >     for n in 'abcd':
   >         ui.write(('%s: binary=%s\n') % (n, repo['.'][n].isbinary()))
   > EOF
   $ hg --config extensions.dumpbinary=$TESTTMP/dumpbinary.py id --trace
   a: binary=True
   b: binary=False
   c: binary=True
   d: binary=False
   b55353847f02 tip
 
   $ cd ..
 
 # Test fctx.cmp fastpath - diff without LFS blobs
 
   $ hg init repo12
   $ cd repo12
   $ cat >> .hg/hgrc <<EOF
   > [lfs]
   > threshold=1
   > EOF
   $ cat > ../patch.diff <<EOF
   > # HG changeset patch
   > 2
   > 
   > diff --git a/a b/a
   > old mode 100644
   > new mode 100755
   > EOF
 
   $ for i in 1 2 3; do
   >     cp ../repo10/a a
   >     if [ $i = 3 ]; then
   >         # make a content-only change
   >         hg import -q --bypass ../patch.diff
   >         hg update -q
   >         rm ../patch.diff
   >     else
   >         echo $i >> a
   >         hg commit -m $i -A a
   >     fi
   > done
   $ [ -d .hg/store/lfs/objects ]
 
   $ cd ..
 
   $ hg clone repo12 repo13 --noupdate
   $ cd repo13
   $ hg log --removed -p a -T '{desc}\n' --config diff.nobinary=1 --git
   2
   diff --git a/a b/a
   old mode 100644
   new mode 100755
   
   2
   diff --git a/a b/a
   Binary file a has changed
   
   1
   diff --git a/a b/a
   new file mode 100644
   Binary file a has changed
   
   $ [ -d .hg/store/lfs/objects ]
   [1]
 
   $ cd ..
 
 # Test filter
 
   $ hg init repo11
   $ cd repo11
   $ cat >> .hg/hgrc << EOF
   > [lfs]
   > track=(**.a & size(">5B")) | (**.b & !size(">5B"))
   >      | (**.c & "path:d" & !"path:d/c.c") | size(">10B")
   > EOF
 
   $ mkdir a
   $ echo aaaaaa > a/1.a
   $ echo a > a/2.a
   $ echo aaaaaa > 1.b
   $ echo a > 2.b
   $ echo a > 1.c
   $ mkdir d
   $ echo a > d/c.c
   $ echo a > d/d.c
   $ echo aaaaaaaaaaaa > x
   $ hg add . -q
   $ hg commit -m files
 
   $ for p in a/1.a a/2.a 1.b 2.b 1.c d/c.c d/d.c x; do
   >   if hg debugdata $p 0 2>&1 | grep git-lfs >/dev/null; then
   >     echo "${p}: is lfs"
   >   else
   >     echo "${p}: not lfs"
   >   fi
   > done
   a/1.a: is lfs
   a/2.a: not lfs
   1.b: not lfs
   2.b: is lfs
   1.c: not lfs
   d/c.c: not lfs
   d/d.c: is lfs
   x: is lfs
 
   $ cd ..
 
 # Verify the repos
 
   $ cat > $TESTTMP/dumpflog.py << EOF
   > # print raw revision sizes, flags, and hashes for certain files
   > import hashlib
   > from mercurial.node import short
   > from mercurial import revlog
   > def hash(rawtext):
   >     h = hashlib.sha512()
   >     h.update(rawtext)
   >     return h.hexdigest()[:4]
   > def reposetup(ui, repo):
   >     # these 2 files are interesting
   >     for name in ['l', 's']:
   >         fl = repo.file(name)
   >         if len(fl) == 0:
   >             continue
   >         sizes = [revlog.revlog.rawsize(fl, i) for i in fl]
   >         texts = [fl.revision(i, raw=True) for i in fl]
   >         flags = [int(fl.flags(i)) for i in fl]
   >         hashes = [hash(t) for t in texts]
   >         print('  %s: rawsizes=%r flags=%r hashes=%r'
   >               % (name, sizes, flags, hashes))
   > EOF
 
   $ for i in client client2 server repo3 repo4 repo5 repo6 repo7 repo8 repo9 \
   >          repo10; do
   >   echo 'repo:' $i
   >   hg --cwd $i verify --config extensions.dumpflog=$TESTTMP/dumpflog.py -q
   > done
   repo: client
   repo: client2
   repo: server
   repo: repo3
     l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
     s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
   repo: repo4
     l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
     s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
   repo: repo5
     l: rawsizes=[211, 6, 8, 141] flags=[8192, 0, 0, 8192] hashes=['d2b8', '948c', 'cc88', '724d']
     s: rawsizes=[74, 141, 141, 8] flags=[0, 8192, 8192, 0] hashes=['3c80', 'fce0', '874a', '826b']
   repo: repo6
   repo: repo7
   repo: repo8
   repo: repo9
   repo: repo10
 
 repo13 doesn't have any cached lfs files and its source never pushed its
 files.  Therefore, the files don't exist in the remote store.  Use the files in
 the user cache.
 
   $ test -d $TESTTMP/repo13/.hg/store/lfs/objects
   [1]
 
   $ hg --config extensions.share= share repo13 repo14
   updating working directory
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R repo14 -q verify
 
   $ hg clone repo13 repo15
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ hg -R repo15 -q verify
 
 If the source repo doesn't have the blob (maybe it was pulled or cloned with
 --noupdate), the blob is still accessible via the global cache to send to the
 remote store.
 
   $ rm -rf $TESTTMP/repo15/.hg/store/lfs
   $ hg init repo16
   $ hg -R repo15 push repo16
   pushing to repo16
   searching for changes
   adding changesets
   adding manifests
   adding file changes
   added 3 changesets with 2 changes to 1 files
   $ hg -R repo15 -q verify
 
 Test damaged file scenarios.  (This also damages the usercache because of the
 hardlinks.)
 
   $ echo 'damage' >> repo5/.hg/store/lfs/objects/66/100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
 
 Repo with damaged lfs objects in any revision will fail verification.
 
   $ hg -R repo5 verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    l@1: unpacking 46a2f24864bc: integrity check failed on data/l.i:0
    large@0: unpacking 2c531e0992ff: integrity check failed on data/large.i:0
   4 files, 5 changesets, 10 total revisions
   2 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]
 
 Updates work after cloning a damaged repo, if the damaged lfs objects aren't in
 the update destination.  Those objects won't be added to the new repo's store
 because they aren't accessed.
 
   $ hg clone -v repo5 fromcorrupt
   updating to branch default
   resolving manifests
   getting l
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the usercache
   getting s
   2 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ test -f fromcorrupt/.hg/store/lfs/objects/66/100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
   [1]
 
 Verify will copy/link all lfs objects into the local store that aren't already
 present.  Bypass the corrupted usercache to show that verify works when fed by
 the (uncorrupted) remote store.
 
   $ hg -R fromcorrupt --config lfs.usercache=emptycache verify -v
   repository uses revlog format 1
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   lfs: adding 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e to the usercache
   lfs: found 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e in the local lfs store
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the local lfs store
   lfs: found 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e in the local lfs store
   lfs: adding 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 to the usercache
   lfs: found 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 in the local lfs store
   lfs: adding b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c to the usercache
   lfs: found b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c in the local lfs store
   4 files, 5 changesets, 10 total revisions
 
 Verify will not copy/link a corrupted file from the usercache into the local
 store, and poison it.  (The verify with a good remote now works.)
 
   $ rm -r fromcorrupt/.hg/store/lfs/objects/66/100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
   $ hg -R fromcorrupt verify -v
   repository uses revlog format 1
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    l@1: unpacking 46a2f24864bc: integrity check failed on data/l.i:0
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the local lfs store
    large@0: unpacking 2c531e0992ff: integrity check failed on data/large.i:0
   lfs: found 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 in the local lfs store
   lfs: found b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c in the local lfs store
   4 files, 5 changesets, 10 total revisions
   2 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]
   $ hg -R fromcorrupt --config lfs.usercache=emptycache verify -v
   repository uses revlog format 1
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
   lfs: found 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e in the usercache
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the local lfs store
   lfs: found 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e in the local lfs store
   lfs: found 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 in the local lfs store
   lfs: found b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c in the local lfs store
   4 files, 5 changesets, 10 total revisions
 
 Damaging a file required by the update destination fails the update.
 
   $ echo 'damage' >> $TESTTMP/dummy-remote/22/f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   $ hg --config lfs.usercache=emptycache clone -v repo5 fromcorrupt2
   updating to branch default
   resolving manifests
   abort: corrupt remote lfs object: 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   [255]
 
 A corrupted lfs blob is not transferred from a file://remotestore to the
 usercache or local store.
 
   $ test -f emptycache/22/f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   [1]
   $ test -f fromcorrupt2/.hg/store/lfs/objects/22/f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   [1]
 
   $ hg -R fromcorrupt2 verify
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    l@1: unpacking 46a2f24864bc: integrity check failed on data/l.i:0
    large@0: unpacking 2c531e0992ff: integrity check failed on data/large.i:0
   4 files, 5 changesets, 10 total revisions
   2 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]
 
 Corrupt local files are not sent upstream.  (The alternate dummy remote
 avoids the corrupt lfs object in the original remote.)
 
   $ mkdir $TESTTMP/dummy-remote2
   $ hg init dest
   $ hg -R fromcorrupt2 --config lfs.url=file:///$TESTTMP/dummy-remote2 push -v dest
   pushing to dest
   searching for changes
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the local lfs store
   lfs: found 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 in the local lfs store
   lfs: found b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c in the local lfs store
   abort: detected corrupt lfs object: 66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
   (run hg verify)
   [255]
 
   $ hg -R fromcorrupt2 --config lfs.url=file:///$TESTTMP/dummy-remote2 verify -v
   repository uses revlog format 1
   checking changesets
   checking manifests
   crosschecking files in changesets and manifests
   checking files
    l@1: unpacking 46a2f24864bc: integrity check failed on data/l.i:0
   lfs: found 22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b in the local lfs store
    large@0: unpacking 2c531e0992ff: integrity check failed on data/large.i:0
   lfs: found 89b6070915a3d573ff3599d1cda305bc5e38549b15c4847ab034169da66e1ca8 in the local lfs store
   lfs: found b1a6ea88da0017a0e77db139a54618986e9a2489bee24af9fe596de9daac498c in the local lfs store
   4 files, 5 changesets, 10 total revisions
   2 integrity errors encountered!
   (first damaged changeset appears to be 0)
   [1]
 
   $ cat $TESTTMP/dummy-remote2/22/f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b | $TESTDIR/f --sha256
   sha256=22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   $ cat fromcorrupt2/.hg/store/lfs/objects/22/f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b | $TESTDIR/f --sha256
   sha256=22f66a3fc0b9bf3f012c814303995ec07099b3a9ce02a7af84b5970811074a3b
   $ test -f $TESTTMP/dummy-remote2/66/100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
   [1]
 
 Accessing a corrupt file will complain
 
   $ hg --cwd fromcorrupt2 cat -r 0 large
   abort: integrity check failed on data/large.i:0!
   [255]
 
 lfs -> normal -> lfs round trip conversions are possible.  The 'none()'
 predicate on the command line will override whatever is configured globally and
 locally, and ensures everything converts to a regular file.  For lfs -> normal,
 there's no 'lfs' destination repo requirement.  For normal -> lfs, there is.
 
   $ hg --config extensions.convert= --config 'lfs.track=none()' \
   >    convert repo8 convert_normal
   initializing destination convert_normal repository
   scanning source...
   sorting...
   converting...
   2 a
   1 b
   0 meta
   $ grep 'lfs' convert_normal/.hg/requires
   [1]
   $ hg --cwd convert_normal cat a1 -r 0 -T '{rawdata}'
   THIS-IS-LFS-BECAUSE-10-BYTES
 
   $ hg --config extensions.convert= --config lfs.threshold=10B \
   >    convert convert_normal convert_lfs
   initializing destination convert_lfs repository
   scanning source...
   sorting...
   converting...
   2 a
   1 b
   0 meta
 
   $ hg --cwd convert_lfs cat -r 0 a1 -T '{rawdata}'
   version https://git-lfs.github.com/spec/v1
   oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   size 29
   x-is-binary 0
   $ hg --cwd convert_lfs debugdata a1 0
   version https://git-lfs.github.com/spec/v1
   oid sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   size 29
   x-is-binary 0
   $ hg --cwd convert_lfs log -r 0 -T "{lfs_files % '{lfspointer % '{key}={value}\n'}'}"
   version=https://git-lfs.github.com/spec/v1
   oid=sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   size=29
   x-is-binary=0
   $ hg --cwd convert_lfs log -r 0 \
   >    -T '{lfs_files % "{get(lfspointer, "oid")}\n"}{lfs_files % "{lfspointer.oid}\n"}'
   sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   $ hg --cwd convert_lfs log -r 0 -T '{lfs_files % "{lfspointer}\n"}'
   version=https://git-lfs.github.com/spec/v1 oid=sha256:5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024 size=29 x-is-binary=0
   $ hg --cwd convert_lfs \
   >     log -r 'all()' -T '{rev}: {lfs_files % "{file}: {lfsoid}\n"}'
   0: a1: 5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   1: a2: 5bb8341bee63b3649f222b2215bde37322bea075a30575aa685d8f8d21c77024
   2: a2: 876dadc86a8542f9798048f2c47f51dbf8e4359aed883e8ec80c5db825f0d943
 
   $ grep 'lfs' convert_lfs/.hg/requires
   lfs
 
 The hashes in all stages of the conversion are unchanged.
 
   $ hg -R repo8 log -T '{node|short}\n'
   0fae949de7fa
   9cd6bdffdac0
   7f96794915f7
   $ hg -R convert_normal log -T '{node|short}\n'
   0fae949de7fa
   9cd6bdffdac0
   7f96794915f7
   $ hg -R convert_lfs log -T '{node|short}\n'
   0fae949de7fa
   9cd6bdffdac0
   7f96794915f7
 
 This convert is trickier, because it contains deleted files (via `hg mv`)
 
   $ hg --config extensions.convert= --config lfs.threshold=1000M \
   >    convert repo3 convert_normal2
   initializing destination convert_normal2 repository
   scanning source...
   sorting...
   converting...
   4 commit with lfs content
   3 renames
   2 large to small, small to large
   1 random modifications
   0 switch large and small again
   $ grep 'lfs' convert_normal2/.hg/requires
   [1]
   $ hg --cwd convert_normal2 debugdata large 0
   LONGER-THAN-TEN-BYTES-WILL-TRIGGER-LFS
 
   $ hg --config extensions.convert= --config lfs.threshold=10B \
   >    convert convert_normal2 convert_lfs2
   initializing destination convert_lfs2 repository
   scanning source...
   sorting...
   converting...
   4 commit with lfs content
   3 renames
   2 large to small, small to large
   1 random modifications
   0 switch large and small again
   $ grep 'lfs' convert_lfs2/.hg/requires
   lfs
   $ hg --cwd convert_lfs2 debugdata large 0
   version https://git-lfs.github.com/spec/v1
   oid sha256:66100b384bf761271b407d79fc30cdd0554f3b2c5d944836e936d584b88ce88e
   size 39
   x-is-binary 0
 
   $ hg -R convert_lfs2 config --debug extensions | grep lfs
   $TESTTMP/convert_lfs2/.hg/hgrc:*: extensions.lfs= (glob)
 
 Committing deleted files works:
 
   $ hg init $TESTTMP/repo-del
   $ cd $TESTTMP/repo-del
   $ echo 1 > A
   $ hg commit -m 'add A' -A A
   $ hg rm A
   $ hg commit -m 'rm A'
 
 Bad .hglfs files will block the commit with a useful message
 
   $ cat > .hglfs << EOF
   > [track]
   > **.test = size(">5B")
   > bad file ... no commit
   > EOF
 
   $ echo x > file.txt
   $ hg ci -Aqm 'should fail'
   hg: parse error at .hglfs:3: bad file ... no commit
   [255]
 
   $ cat > .hglfs << EOF
   > [track]
   > **.test = size(">5B")
   > ** = nonexistent()
   > EOF
 
   $ hg ci -Aqm 'should fail'
   abort: parse error in .hglfs: unknown identifier: nonexistent
   [255]
 
 '**' works out to mean all files.
 
   $ cat > .hglfs << EOF
   > [track]
   > path:.hglfs = none()
   > **.test = size(">5B")
   > **.exclude = none()
   > ** = size(">10B")
   > EOF
 
 The LFS policy takes effect without tracking the .hglfs file
 
   $ echo 'largefile' > lfs.test
   $ echo '012345678901234567890' > nolfs.exclude
   $ echo '01234567890123456' > lfs.catchall
   $ hg add *
   $ hg ci -qm 'before add .hglfs'
   $ hg log -r . -T '{rev}: {lfs_files % "{file}: {lfsoid}\n"}\n'
   2: lfs.catchall: d4ec46c2869ba22eceb42a729377432052d9dd75d82fc40390ebaadecee87ee9
   lfs.test: 5489e6ced8c36a7b267292bde9fd5242a5f80a7482e8f23fa0477393dfaa4d6c
   
 The .hglfs file works when tracked
 
   $ echo 'largefile2' > lfs.test
   $ echo '012345678901234567890a' > nolfs.exclude
   $ echo '01234567890123456a' > lfs.catchall
   $ hg ci -Aqm 'after adding .hglfs'
   $ hg log -r . -T '{rev}: {lfs_files % "{file}: {lfsoid}\n"}\n'
   3: lfs.catchall: 31f43b9c62b540126b0ad5884dc013d21a61c9329b77de1fceeae2fc58511573
   lfs.test: 8acd23467967bc7b8cc5a280056589b0ba0b17ff21dbd88a7b6474d6290378a6
   
 The LFS policy stops when the .hglfs is gone
 
   $ mv .hglfs .hglfs_
   $ echo 'largefile3' > lfs.test
   $ echo '012345678901234567890abc' > nolfs.exclude
   $ echo '01234567890123456abc' > lfs.catchall
   $ hg ci -qm 'file test' -X .hglfs
   $ hg log -r . -T '{rev}: {lfs_files % "{file}: {lfsoid}\n"}\n'
   4: 
 
   $ mv .hglfs_ .hglfs
   $ echo '012345678901234567890abc' > lfs.test
   $ hg ci -m 'back to lfs'
   $ hg rm lfs.test
   $ hg ci -qm 'remove lfs'
 
 {lfs_files} will list deleted files too
 
   $ hg log -T "{lfs_files % '{rev} {file}: {lfspointer.oid}\n'}"
   6 lfs.test: 
   5 lfs.test: sha256:43f8f41171b6f62a6b61ba4ce98a8a6c1649240a47ebafd43120aa215ac9e7f6
   3 lfs.catchall: sha256:31f43b9c62b540126b0ad5884dc013d21a61c9329b77de1fceeae2fc58511573
   3 lfs.test: sha256:8acd23467967bc7b8cc5a280056589b0ba0b17ff21dbd88a7b6474d6290378a6
   2 lfs.catchall: sha256:d4ec46c2869ba22eceb42a729377432052d9dd75d82fc40390ebaadecee87ee9
   2 lfs.test: sha256:5489e6ced8c36a7b267292bde9fd5242a5f80a7482e8f23fa0477393dfaa4d6c
 
   $ hg log -r 'file("set:lfs()")' -T '{rev} {join(lfs_files, ", ")}\n'
   2 lfs.catchall, lfs.test
   3 lfs.catchall, lfs.test
   5 lfs.test
   6 lfs.test
 
   $ cd ..
 
 Unbundling adds a requirement to a non-lfs repo, if necessary.
 
   $ hg bundle -R $TESTTMP/repo-del -qr 0 --base null nolfs.hg
   $ hg bundle -R convert_lfs2 -qr tip --base null lfs.hg
   $ hg init unbundle
   $ hg pull -R unbundle -q nolfs.hg
   $ grep lfs unbundle/.hg/requires
   [1]
   $ hg pull -R unbundle -q lfs.hg
   $ grep lfs unbundle/.hg/requires
   lfs
 
   $ hg init no_lfs
   $ cat >> no_lfs/.hg/hgrc <<EOF
   > [experimental]
   > changegroup3 = True
   > [extensions]
   > lfs=!
   > EOF
   $ cp -R no_lfs no_lfs2
 
 Pushing from a local lfs repo to a local repo without an lfs requirement and
 with lfs disabled, fails.
 
   $ hg push -R convert_lfs2 no_lfs
   pushing to no_lfs
   abort: required features are not supported in the destination: lfs
   [255]
   $ grep lfs no_lfs/.hg/requires
   [1]
 
 Pulling from a local lfs repo to a local repo without an lfs requirement and
 with lfs disabled, fails.
 
   $ hg pull -R no_lfs2 convert_lfs2
   pulling from convert_lfs2
   abort: required features are not supported in the destination: lfs
   [255]
   $ grep lfs no_lfs2/.hg/requires
   [1]

tests/test-pull-http.t

@@ -1,81 +1,79 b''
 #require killdaemons
 
   $ hg init test
   $ cd test
   $ echo a > a
   $ hg ci -Ama
   adding a
   $ cd ..
   $ hg clone test test2
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd test2
   $ echo a >> a
   $ hg ci -mb
 
 Cloning with a password in the URL should not save the password in .hg/hgrc:
 
   $ hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg clone http://foo:xyzzy@localhost:$HGPORT/ test3
   requesting all changes
   adding changesets
   adding manifests
   adding file changes
   added 2 changesets with 2 changes to 1 files
   new changesets cb9a9f314b8b:ba677d0156c1
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cat test3/.hg/hgrc
   # example repository config (see 'hg help config' for more info)
   [paths]
   default = http://foo@localhost:$HGPORT/
   
   # path aliases to other clones of this repo in URLs or filesystem paths
   # (see 'hg help config.paths' for more info)
   #
   # default:pushurl = ssh://[e-mail]/hg/jdoes-fork
   # my-fork         = ssh://[e-mail]/hg/jdoes-fork
   # my-clone        = /home/jdoe/jdoes-clone
   
   [ui]
   # name and email (local to this repository, optional), e.g.
   # username = Jane Doe <[e-mail]>
   $ killdaemons.py
 
 expect error, cloning not allowed
 
   $ echo '[web]' > .hg/hgrc
   $ echo 'allowpull = false' >> .hg/hgrc
   $ hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
   $ cat hg.pid >> $DAEMON_PIDS
   $ hg clone http://localhost:$HGPORT/ test4 # bundle2+
-  requesting all changes
   abort: authorization failed
   [255]
   $ hg clone http://localhost:$HGPORT/ test4 --config devel.legacy.exchange=bundle1
   abort: authorization failed
   [255]
   $ killdaemons.py
 
 serve errors
 
   $ cat errors.log
   $ req() {
   >     hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
   >     cat hg.pid >> $DAEMON_PIDS
   >     hg --cwd ../test pull http://localhost:$HGPORT/
   >     killdaemons.py hg.pid
   >     echo % serve errors
   >     cat errors.log
   > }
 
 expect error, pulling not allowed
 
   $ req
   pulling from http://localhost:$HGPORT/
-  searching for changes
   abort: authorization failed
   % serve errors
 
   $ cd ..

tests/test-push-http.t

@@ -1,352 +1,330 b''
 #require killdaemons
 
 #testcases bundle1 bundle2
 
 #if bundle1
   $ cat << EOF >> $HGRCPATH
   > [devel]
   > # This test is dedicated to interaction through old bundle
   > legacy.exchange = bundle1
   > EOF
 #endif
 
   $ hg init test
   $ cd test
   $ echo a > a
   $ hg ci -Ama
   adding a
   $ cd ..
   $ hg clone test test2
   updating to branch default
   1 files updated, 0 files merged, 0 files removed, 0 files unresolved
   $ cd test2
   $ echo a >> a
   $ hg ci -mb
   $ req() {
   >     hg serve -p $HGPORT -d --pid-file=hg.pid -E errors.log
   >     cat hg.pid >> $DAEMON_PIDS
   >     hg --cwd ../test2 push http://localhost:$HGPORT/
   >     exitstatus=$?
   >     killdaemons.py
   >     echo % serve errors
   >     cat errors.log
   >     return $exitstatus
   > }
   $ cd ../test
 
 expect ssl error
 
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   abort: HTTP Error 403: ssl required
   % serve errors
   [255]
 
 expect authorization error
 
   $ echo '[web]' > .hg/hgrc
   $ echo 'push_ssl = false' >> .hg/hgrc
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   abort: authorization failed
   % serve errors
   [255]
 
 expect authorization error: must have authorized user
 
   $ echo 'allow_push = unperson' >> .hg/hgrc
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   abort: authorization failed
   % serve errors
   [255]
 
 expect success
 
   $ cat > $TESTTMP/hook.sh <<'EOF'
   > echo "phase-move: $HG_NODE:  $HG_OLDPHASE -> $HG_PHASE"
   > EOF
 
   $ cat >> .hg/hgrc <<EOF
   > allow_push = *
   > [hooks]
   > changegroup = sh -c "printenv.py changegroup 0"
   > pushkey = sh -c "printenv.py pushkey 0"
   > txnclose-phase.test = sh $TESTTMP/hook.sh 
   > EOF
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: phase-move: cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b:  draft -> public
   remote: phase-move: ba677d0156c1196c1a699fa53f390dcfc3ce3872:   -> public
   remote: changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle1 !)
   remote: changegroup hook: HG_BUNDLE2=1 HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle2 !)
   % serve errors
   $ hg rollback
   repository tip rolled back to revision 0 (undo serve)
 
 expect success, server lacks the httpheader capability
 
   $ CAP=httpheader
   $ . "$TESTDIR/notcapable"
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: phase-move: cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b:  draft -> public
   remote: phase-move: ba677d0156c1196c1a699fa53f390dcfc3ce3872:   -> public
   remote: changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle1 !)
   remote: changegroup hook: HG_BUNDLE2=1 HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle2 !)
   % serve errors
   $ hg rollback
   repository tip rolled back to revision 0 (undo serve)
 
 expect success, server lacks the unbundlehash capability
 
   $ CAP=unbundlehash
   $ . "$TESTDIR/notcapable"
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: phase-move: cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b:  draft -> public
   remote: phase-move: ba677d0156c1196c1a699fa53f390dcfc3ce3872:   -> public
   remote: changegroup hook: HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle1 !)
   remote: changegroup hook: HG_BUNDLE2=1 HG_HOOKNAME=changegroup HG_HOOKTYPE=changegroup HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob) (bundle2 !)
   % serve errors
   $ hg rollback
   repository tip rolled back to revision 0 (undo serve)
 
 expect success, pre-d1b16a746db6 server supports the unbundle capability, but
 has no parameter
 
   $ cat <<EOF > notcapable-unbundleparam.py
   > from mercurial import extensions, httppeer
   > def capable(orig, self, name):
   >     if name == 'unbundle':
   >         return True
   >     return orig(self, name)
   > def uisetup(ui):
   >     extensions.wrapfunction(httppeer.httppeer, 'capable', capable)
   > EOF
   $ cp $HGRCPATH $HGRCPATH.orig
   $ cat <<EOF >> $HGRCPATH
   > [extensions]
   > notcapable-unbundleparam = `pwd`/notcapable-unbundleparam.py
   > EOF
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: phase-move: cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b:  draft -> public
   remote: phase-move: ba677d0156c1196c1a699fa53f390dcfc3ce3872:   -> public
   remote: changegroup hook: * (glob)
   % serve errors
   $ hg rollback
   repository tip rolled back to revision 0 (undo serve)
   $ mv $HGRCPATH.orig $HGRCPATH
 
 Test pushing to a publishing repository with a failing prepushkey hook
 
   $ cat > .hg/hgrc <<EOF
   > [web]
   > push_ssl = false
   > allow_push = *
   > [hooks]
   > prepushkey = sh -c "printenv.py prepushkey 1"
   > [devel]
   > legacy.exchange=phases
   > EOF
 
 #if bundle1
 Bundle1 works because a) phases are updated as part of changegroup application
 and b) client checks phases after the "unbundle" command. Since it sees no
 phase changes are necessary, it doesn't send the "pushkey" command and the
 prepushkey hook never has to fire.
 
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   % serve errors
 
 #endif
 
 #if bundle2
 Bundle2 sends a "pushkey" bundle2 part. This runs as part of the transaction
 and fails the entire push.
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: prepushkey hook: HG_BUNDLE2=1 HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_OLD=1 HG_PENDING=$TESTTMP/test HG_PHASES_MOVED=1 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob)
   remote: pushkey-abort: prepushkey hook exited with status 1
   remote: transaction abort!
   remote: rollback completed
   abort: updating ba677d0156c1 to public failed
   % serve errors
   [255]
 
 #endif
 
 Now remove the failing prepushkey hook.
 
   $ cat >> .hg/hgrc <<EOF
   > [hooks]
   > prepushkey = sh -c "printenv.py prepushkey 0"
   > EOF
 
 We don't need to test bundle1 because it succeeded above.
 
 #if bundle2
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: prepushkey hook: HG_BUNDLE2=1 HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_OLD=1 HG_PENDING=$TESTTMP/test HG_PHASES_MOVED=1 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob)
   % serve errors
 #endif
 
   $ hg --config extensions.strip= strip -r 1:
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/ba677d0156c1-eea704d7-backup.hg
 
 Now do a variant of the above, except on a non-publishing repository
 
   $ cat >> .hg/hgrc <<EOF
   > [phases]
   > publish = false
   > [hooks]
   > prepushkey = sh -c "printenv.py prepushkey 1"
   > EOF
 
 #if bundle1
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: prepushkey hook: HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_OLD=1
   remote: pushkey-abort: prepushkey hook exited with status 1
   updating ba677d0156c1 to public failed!
   % serve errors
 #endif
 
 #if bundle2
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: prepushkey hook: HG_BUNDLE2=1 HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_OLD=1 HG_PENDING=$TESTTMP/test HG_PHASES_MOVED=1 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob)
   remote: pushkey-abort: prepushkey hook exited with status 1
   remote: transaction abort!
   remote: rollback completed
   abort: updating ba677d0156c1 to public failed
   % serve errors
   [255]
 #endif
 
 Make phases updates work
 
   $ cat >> .hg/hgrc <<EOF
   > [hooks]
   > prepushkey = sh -c "printenv.py prepushkey 0"
   > EOF
 
 #if bundle1
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   no changes found
   remote: prepushkey hook: HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_OLD=1
   % serve errors
   [1]
 #endif
 
 #if bundle2
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   remote: prepushkey hook: HG_BUNDLE2=1 HG_HOOKNAME=prepushkey HG_HOOKTYPE=prepushkey HG_KEY=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NAMESPACE=phases HG_NEW=0 HG_NODE=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_NODE_LAST=ba677d0156c1196c1a699fa53f390dcfc3ce3872 HG_OLD=1 HG_PENDING=$TESTTMP/test HG_PHASES_MOVED=1 HG_SOURCE=serve HG_TXNID=TXN:$ID$ HG_URL=remote:http:$LOCALIP: (glob)
   % serve errors
 #endif
 
   $ hg --config extensions.strip= strip -r 1:
   saved backup bundle to $TESTTMP/test/.hg/strip-backup/ba677d0156c1-eea704d7-backup.hg
 
-expect authorization error: all users denied
-
-  $ echo '[web]' > .hg/hgrc
-  $ echo 'push_ssl = false' >> .hg/hgrc
-  $ echo 'deny_push = *' >> .hg/hgrc
-  $ req
-  pushing to http://localhost:$HGPORT/
-  searching for changes
-  abort: authorization failed
-  % serve errors
-  [255]
-
-expect authorization error: some users denied, users must be authenticated
-
-  $ echo 'deny_push = unperson' >> .hg/hgrc
-  $ req
-  pushing to http://localhost:$HGPORT/
-  searching for changes
-  abort: authorization failed
-  % serve errors
-  [255]
-
 #if bundle2
 
   $ cat > .hg/hgrc <<EOF
   > [web]
   > push_ssl = false
   > allow_push = *
   > [experimental]
   > httppostargs=true
   > EOF
   $ req
   pushing to http://localhost:$HGPORT/
   searching for changes
   remote: adding changesets
   remote: adding manifests
   remote: adding file changes
   remote: added 1 changesets with 1 changes to 1 files
   % serve errors
 
 #endif
 
   $ cd ..

tests/test-revlog-raw.py

@@ -1,315 +1,320 b''
 # test revlog interaction about raw data (flagprocessor)
 
 from __future__ import absolute_import, print_function
 
 import sys
 
 from mercurial import (
     encoding,
     node,
     revlog,
     transaction,
     vfs,
 )
 
 # TESTTMP is optional. This makes it convenient to run without run-tests.py
 tvfs = vfs.vfs(encoding.environ.get('TESTTMP', b'/tmp'))
 
 # Enable generaldelta otherwise revlog won't use delta as expected by the test
 tvfs.options = {'generaldelta': True, 'revlogv1': True}
 
 # The test wants to control whether to use delta explicitly, based on
 # "storedeltachains".
 revlog.revlog._isgooddeltainfo = lambda self, d, textlen: self.storedeltachains
 
 def abort(msg):
     print('abort: %s' % msg)
     # Return 0 so run-tests.py could compare the output.
     sys.exit()
 
 # Register a revlog processor for flag EXTSTORED.
 #
 # It simply prepends a fixed header, and replaces '1' to 'i'. So it has
 # insertion and replacement, and may be interesting to test revlog's line-based
 # deltas.
 _extheader = b'E\n'
 
 def readprocessor(self, rawtext):
     # True: the returned text could be used to verify hash
     text = rawtext[len(_extheader):].replace(b'i', b'1')
     return text, True
 
 def writeprocessor(self, text):
     # False: the returned rawtext shouldn't be used to verify hash
     rawtext = _extheader + text.replace(b'1', b'i')
     return rawtext, False
 
 def rawprocessor(self, rawtext):
     # False: do not verify hash. Only the content returned by "readprocessor"
     # can be used to verify hash.
     return False
 
 revlog.addflagprocessor(revlog.REVIDX_EXTSTORED,
                         (readprocessor, writeprocessor, rawprocessor))
 
 # Utilities about reading and appending revlog
 
 def newtransaction():
     # A transaction is required to write revlogs
     report = lambda msg: None
     return transaction.transaction(report, tvfs, {'plain': tvfs}, b'journal')
 
 def newrevlog(name=b'_testrevlog.i', recreate=False):
     if recreate:
         tvfs.tryunlink(name)
     rlog = revlog.revlog(tvfs, name)
     return rlog
 
 def appendrev(rlog, text, tr, isext=False, isdelta=True):
     '''Append a revision. If isext is True, set the EXTSTORED flag so flag
     processor will be used (and rawtext is different from text). If isdelta is
     True, force the revision to be a delta, otherwise it's full text.
     '''
     nextrev = len(rlog)
     p1 = rlog.node(nextrev - 1)
     p2 = node.nullid
     if isext:
         flags = revlog.REVIDX_EXTSTORED
     else:
         flags = revlog.REVIDX_DEFAULT_FLAGS
     # Change storedeltachains temporarily, to override revlog's delta decision
     rlog.storedeltachains = isdelta
     try:
         rlog.addrevision(text, tr, nextrev, p1, p2, flags=flags)
         return nextrev
     except Exception as ex:
         abort('rev %d: failed to append: %s' % (nextrev, ex))
     finally:
         # Restore storedeltachains. It is always True, see revlog.__init__
         rlog.storedeltachains = True
 
 def addgroupcopy(rlog, tr, destname=b'_destrevlog.i', optimaldelta=True):
     '''Copy revlog to destname using revlog.addgroup. Return the copied revlog.
 
     This emulates push or pull. They use changegroup. Changegroup requires
     repo to work. We don't have a repo, so a dummy changegroup is used.
 
     If optimaldelta is True, use optimized delta parent, so the destination
     revlog could probably reuse it. Otherwise it builds sub-optimal delta, and
     the destination revlog needs more work to use it.
 
     This exercises some revlog.addgroup (and revlog._addrevision(text=None))
     code path, which is not covered by "appendrev" alone.
     '''
     class dummychangegroup(object):
         @staticmethod
         def deltachunk(pnode):
             pnode = pnode or node.nullid
             parentrev = rlog.rev(pnode)
             r = parentrev + 1
             if r >= len(rlog):
                 return {}
             if optimaldelta:
                 deltaparent = parentrev
             else:
                 # suboptimal deltaparent
                 deltaparent = min(0, parentrev)
+            if not rlog.candelta(deltaparent, r):
+                deltaparent = -1
             return {'node': rlog.node(r), 'p1': pnode, 'p2': node.nullid,
                     'cs': rlog.node(rlog.linkrev(r)), 'flags': rlog.flags(r),
                     'deltabase': rlog.node(deltaparent),
                     'delta': rlog.revdiff(deltaparent, r)}
 
         def deltaiter(self):
             chain = None
             for chunkdata in iter(lambda: self.deltachunk(chain), {}):
                 node = chunkdata['node']
                 p1 = chunkdata['p1']
                 p2 = chunkdata['p2']
                 cs = chunkdata['cs']
                 deltabase = chunkdata['deltabase']
                 delta = chunkdata['delta']
                 flags = chunkdata['flags']
 
                 chain = node
 
                 yield (node, p1, p2, cs, deltabase, delta, flags)
 
     def linkmap(lnode):
         return rlog.rev(lnode)
 
     dlog = newrevlog(destname, recreate=True)
     dummydeltas = dummychangegroup().deltaiter()
     dlog.addgroup(dummydeltas, linkmap, tr)
     return dlog
 
 def lowlevelcopy(rlog, tr, destname=b'_destrevlog.i'):
     '''Like addgroupcopy, but use the low level revlog._addrevision directly.
 
     It exercises some code paths that are hard to reach easily otherwise.
     '''
     dlog = newrevlog(destname, recreate=True)
     for r in rlog:
         p1 = rlog.node(r - 1)
         p2 = node.nullid
-        if r == 0:
+        if r == 0 or (rlog.flags(r) & revlog.REVIDX_EXTSTORED):
             text = rlog.revision(r, raw=True)
             cachedelta = None
         else:
-            # deltaparent is more interesting if it has the EXTSTORED flag.
-            deltaparent = max([0] + [p for p in range(r - 2) if rlog.flags(p)])
+            # deltaparent cannot have EXTSTORED flag.
+            deltaparent = max([-1] +
+                              [p for p in range(r)
+                               if rlog.flags(p) & revlog.REVIDX_EXTSTORED == 0])
             text = None
             cachedelta = (deltaparent, rlog.revdiff(deltaparent, r))
         flags = rlog.flags(r)
         ifh = dfh = None
         try:
             ifh = dlog.opener(dlog.indexfile, 'a+')
             if not dlog._inline:
                 dfh = dlog.opener(dlog.datafile, 'a+')
             dlog._addrevision(rlog.node(r), text, tr, r, p1, p2, flags,
                               cachedelta, ifh, dfh)
         finally:
             if dfh is not None:
                 dfh.close()
             if ifh is not None:
                 ifh.close()
     return dlog
 
 # Utilities to generate revisions for testing
 
 def genbits(n):
     '''Given a number n, generate (2 ** (n * 2) + 1) numbers in range(2 ** n).
     i.e. the generated numbers have a width of n bits.
 
     The combination of two adjacent numbers will cover all possible cases.
     That is to say, given any x, y where both x, and y are in range(2 ** n),
     there is an x followed immediately by y in the generated sequence.
     '''
     m = 2 ** n
 
     # Gray Code. See https://en.wikipedia.org/wiki/Gray_code
     gray = lambda x: x ^ (x >> 1)
     reversegray = dict((gray(i), i) for i in range(m))
 
     # Generate (n * 2) bit gray code, yield lower n bits as X, and look for
     # the next unused gray code where higher n bits equal to X.
 
     # For gray codes whose higher bits are X, a[X] of them have been used.
     a = [0] * m
 
     # Iterate from 0.
     x = 0
     yield x
     for i in range(m * m):
         x = reversegray[x]
         y = gray(a[x] + x * m) & (m - 1)
         assert a[x] < m
         a[x] += 1
         x = y
         yield x
 
 def gentext(rev):
     '''Given a revision number, generate dummy text'''
     return b''.join(b'%d\n' % j for j in range(-1, rev % 5))
 
 def writecases(rlog, tr):
     '''Write some revisions interested to the test.
 
     The test is interested in 3 properties of a revision:
 
         - Is it a delta or a full text? (isdelta)
           This is to catch some delta application issues.
         - Does it have a flag of EXTSTORED? (isext)
           This is to catch some flag processor issues. Especially when
           interacted with revlog deltas.
         - Is its text empty? (isempty)
           This is less important. It is intended to try to catch some careless
           checks like "if text" instead of "if text is None". Note: if flag
           processor is involved, raw text may be not empty.
 
     Write 65 revisions. So that all combinations of the above flags for
     adjacent revisions are covered. That is to say,
 
         len(set(
             (r.delta, r.ext, r.empty, (r+1).delta, (r+1).ext, (r+1).empty)
             for r in range(len(rlog) - 1)
            )) is 64.
 
     Where "r.delta", "r.ext", and "r.empty" are booleans matching properties
     mentioned above.
 
     Return expected [(text, rawtext)].
     '''
     result = []
     for i, x in enumerate(genbits(3)):
         isdelta, isext, isempty = bool(x & 1), bool(x & 2), bool(x & 4)
         if isempty:
             text = b''
         else:
             text = gentext(i)
         rev = appendrev(rlog, text, tr, isext=isext, isdelta=isdelta)
 
         # Verify text, rawtext, and rawsize
         if isext:
             rawtext = writeprocessor(None, text)[0]
         else:
             rawtext = text
         if rlog.rawsize(rev) != len(rawtext):
             abort('rev %d: wrong rawsize' % rev)
         if rlog.revision(rev, raw=False) != text:
             abort('rev %d: wrong text' % rev)
         if rlog.revision(rev, raw=True) != rawtext:
             abort('rev %d: wrong rawtext' % rev)
         result.append((text, rawtext))
 
         # Verify flags like isdelta, isext work as expected
-        if bool(rlog.deltaparent(rev) > -1) != isdelta:
-            abort('rev %d: isdelta is ineffective' % rev)
+        # isdelta can be overridden to False if this or p1 has isext set
+        if bool(rlog.deltaparent(rev) > -1) and not isdelta:
+            abort('rev %d: isdelta is unexpected' % rev)
         if bool(rlog.flags(rev)) != isext:
             abort('rev %d: isext is ineffective' % rev)
     return result
 
 # Main test and checking
 
 def checkrevlog(rlog, expected):
     '''Check if revlog has expected contents. expected is [(text, rawtext)]'''
     # Test using different access orders. This could expose some issues
     # depending on revlog caching (see revlog._cache).
     for r0 in range(len(rlog) - 1):
         r1 = r0 + 1
         for revorder in [[r0, r1], [r1, r0]]:
             for raworder in [[True], [False], [True, False], [False, True]]:
                 nlog = newrevlog()
                 for rev in revorder:
                     for raw in raworder:
                         t = nlog.revision(rev, raw=raw)
                         if t != expected[rev][int(raw)]:
                             abort('rev %d: corrupted %stext'
                                   % (rev, raw and 'raw' or ''))
 
 def maintest():
     expected = rl = None
     with newtransaction() as tr:
         rl = newrevlog(recreate=True)
         expected = writecases(rl, tr)
         checkrevlog(rl, expected)
         print('local test passed')
         # Copy via revlog.addgroup
         rl1 = addgroupcopy(rl, tr)
         checkrevlog(rl1, expected)
         rl2 = addgroupcopy(rl, tr, optimaldelta=False)
         checkrevlog(rl2, expected)
         print('addgroupcopy test passed')
         # Copy via revlog.clone
         rl3 = newrevlog(name='_destrevlog3.i', recreate=True)
         rl.clone(tr, rl3)
         checkrevlog(rl3, expected)
         print('clone test passed')
         # Copy via low-level revlog._addrevision
         rl4 = lowlevelcopy(rl, tr)
         checkrevlog(rl4, expected)
         print('lowlevelcopy test passed')
 
 try:
     maintest()
 except Exception as ex:
     abort('crashed: %s' % ex)