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test-push-race.t
1625 lines | 39.2 KiB | text/troff | Tads3Lexer
============================================================================================
Test cases where there are race condition between two clients pushing to the same repository
============================================================================================
This file tests cases where two clients push to a server at the same time. The
"raced" client is done preparing it push bundle when the "racing" client
perform its push. The "raced" client starts its actual push after the "racing"
client push is fully complete.
A set of extension and shell functions ensures this scheduling.
$ cat >> delaypush.py << EOF
> """small extension orchestrate push race
>
> Client with the extensions will create a file when ready and get stuck until
> a file is created."""
>
> import atexit
> import errno
> import os
> import time
>
> from mercurial import (
> exchange,
> extensions,
> )
>
> def delaypush(orig, pushop):
> # notify we are done preparing
> readypath = pushop.repo.ui.config('delaypush', 'ready-path', None)
> if readypath is not None:
> with open(readypath, 'w') as r:
> r.write('foo')
> pushop.repo.ui.status('wrote ready: %s\n' % readypath)
> # now wait for the other process to be done
> watchpath = pushop.repo.ui.config('delaypush', 'release-path', None)
> if watchpath is not None:
> pushop.repo.ui.status('waiting on: %s\n' % watchpath)
> limit = 100
> while 0 < limit and not os.path.exists(watchpath):
> limit -= 1
> time.sleep(0.1)
> if limit <= 0:
> repo.ui.warn('exiting without watchfile: %s' % watchpath)
> else:
> # delete the file at the end of the push
> def delete():
> try:
> os.unlink(watchpath)
> except OSError as exc:
> if exc.errno != errno.ENOENT:
> raise
> atexit.register(delete)
> return orig(pushop)
>
> def uisetup(ui):
> extensions.wrapfunction(exchange, '_pushbundle2', delaypush)
> EOF
$ waiton () {
> # wait for a file to be created (then delete it)
> count=100
> while [ ! -f $1 ] ;
> do
> sleep 0.1;
> count=`expr $count - 1`;
> if [ $count -lt 0 ];
> then
> break
> fi;
> done
> [ -f $1 ] || echo "ready file still missing: $1"
> rm -f $1
> }
$ release () {
> # create a file and wait for it be deleted
> count=100
> touch $1
> while [ -f $1 ] ;
> do
> sleep 0.1;
> count=`expr $count - 1`;
> if [ $count -lt 0 ];
> then
> break
> fi;
> done
> [ ! -f $1 ] || echo "delay file still exist: $1"
> }
$ cat >> $HGRCPATH << EOF
> [ui]
> ssh = python "$TESTDIR/dummyssh"
> # simplify output
> logtemplate = {node|short} {desc} ({branch})
> [phases]
> publish = no
> [experimental]
> evolution = all
> [alias]
> graph = log -G --rev 'sort(all(), "topo")'
> EOF
Setup
-----
create a repo with one root
$ hg init server
$ cd server
$ echo root > root
$ hg ci -Am "C-ROOT"
adding root
$ cd ..
clone it in two clients
$ hg clone ssh://user@dummy/server client-racy
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg clone ssh://user@dummy/server client-other
requesting all changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
updating to branch default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
setup one to allow race on push
$ cat >> client-racy/.hg/hgrc << EOF
> [extensions]
> delaypush = $TESTTMP/delaypush.py
> [delaypush]
> ready-path = $TESTTMP/readyfile
> release-path = $TESTTMP/watchfile
> EOF
Simple race, both try to push to the server at the same time
------------------------------------------------------------
Both try to replace the same head
# a
# | b
# |/
# *
Creating changesets
$ echo b > client-other/a
$ hg -R client-other/ add client-other/a
$ hg -R client-other/ commit -m "C-A"
$ echo b > client-racy/b
$ hg -R client-racy/ add client-racy/b
$ hg -R client-racy/ commit -m "C-B"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -r 'tip'
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o 98217d5a1659 C-A (default)
|
@ 842e2fac6304 C-ROOT (default)
Pushing on two different heads
------------------------------
Both try to replace a different head
# a b
# | |
# * *
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg -R server graph
o a9149a1428e2 C-B (default)
|
| o 98217d5a1659 C-A (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
$ echo aa >> client-other/a
$ hg -R client-other/ commit -m "C-C"
$ echo bb >> client-racy/b
$ hg -R client-racy/ commit -m "C-D"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -r 'tip'
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o 51c544a58128 C-C (default)
|
o 98217d5a1659 C-A (default)
|
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
Pushing while someone creates a new head
-----------------------------------------
Pushing a new changeset while someone creates a new branch.
# a (raced)
# |
# * b
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg -R server graph
o 59e76faf78bd C-D (default)
|
o a9149a1428e2 C-B (default)
|
| o 51c544a58128 C-C (default)
| |
| o 98217d5a1659 C-A (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
(new head)
$ hg -R client-other/ up 'desc("C-A")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ commit -m "C-E"
created new head
(children of existing head)
$ hg -R client-racy/ up 'desc("C-C")'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo bbb >> client-racy/a
$ hg -R client-racy/ commit -m "C-F"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip'
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files (+1 heads)
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o d603e2c0cdd7 C-E (default)
|
| o 51c544a58128 C-C (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
Pushing touching different named branch (same topo): new branch raced
---------------------------------------------------------------------
Pushing two children on the same head, one is a different named branch
# a (raced, branch-a)
# |
# | b (default branch)
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
(run 'hg update' to get a working copy)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R server graph
o d9e379a8c432 C-F (default)
|
o 51c544a58128 C-C (default)
|
| o d603e2c0cdd7 C-E (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
(update existing head)
$ hg -R client-other/ up 'desc("C-F")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ commit -m "C-G"
(new named branch from that existing head)
$ hg -R client-racy/ up 'desc("C-F")'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-racy/a
$ hg -R client-racy/ branch my-first-test-branch
marked working directory as branch my-first-test-branch
(branches are permanent and global, did you want a bookmark?)
$ hg -R client-racy/ commit -m "C-H"
Pushing
$ hg -R client-racy push -r 'tip' --new-branch > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip'
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o 75d69cba5402 C-G (default)
|
o d9e379a8c432 C-F (default)
|
o 51c544a58128 C-C (default)
|
| o d603e2c0cdd7 C-E (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
pushing touching different named branch (same topo): old branch raced
---------------------------------------------------------------------
Pushing two children on the same head, one is a different named branch
# a (raced, default-branch)
# |
# | b (new branch)
# |/
# * (default-branch)
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads)
$ hg -R server graph
o 833be552cfe6 C-H (my-first-test-branch)
|
| o 75d69cba5402 C-G (default)
|/
o d9e379a8c432 C-F (default)
|
o 51c544a58128 C-C (default)
|
| o d603e2c0cdd7 C-E (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
(new named branch from one head)
$ hg -R client-other/ up 'desc("C-G")'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ branch my-second-test-branch
marked working directory as branch my-second-test-branch
$ hg -R client-other/ commit -m "C-I"
(children "updating" that same head)
$ hg -R client-racy/ up 'desc("C-G")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-racy/a
$ hg -R client-racy/ commit -m "C-J"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o b35ed749f288 C-I (my-second-test-branch)
|
o 75d69cba5402 C-G (default)
|
| o 833be552cfe6 C-H (my-first-test-branch)
|/
o d9e379a8c432 C-F (default)
|
o 51c544a58128 C-C (default)
|
| o d603e2c0cdd7 C-E (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
pushing racing push touch multiple heads
----------------------------------------
There are multiple heads, but the racing push touch all of them
# a (raced)
# | b
# |/|
# * *
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R server graph
o 89420bf00fae C-J (default)
|
| o b35ed749f288 C-I (my-second-test-branch)
|/
o 75d69cba5402 C-G (default)
|
| o 833be552cfe6 C-H (my-first-test-branch)
|/
o d9e379a8c432 C-F (default)
|
o 51c544a58128 C-C (default)
|
| o d603e2c0cdd7 C-E (default)
|/
o 98217d5a1659 C-A (default)
|
| o 59e76faf78bd C-D (default)
| |
| o a9149a1428e2 C-B (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
(merges heads)
$ hg -R client-other/ up 'desc("C-E")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R client-other/ merge 'desc("C-D")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg -R client-other/ commit -m "C-K"
(update one head)
$ hg -R client-racy/ up 'desc("C-D")'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo bbb >> client-racy/b
$ hg -R client-racy/ commit -m "C-L"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 0 changes to 0 files (-1 heads)
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o be705100c623 C-K (default)
|\
| o d603e2c0cdd7 C-E (default)
| |
o | 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
| | o 51c544a58128 C-C (default)
| |/
o | a9149a1428e2 C-B (default)
| |
| o 98217d5a1659 C-A (default)
|/
@ 842e2fac6304 C-ROOT (default)
pushing raced push touch multiple heads
---------------------------------------
There are multiple heads, the raced push touch all of them
# b
# | a (raced)
# |/|
# * *
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
(run 'hg update' to get a working copy)
$ hg -R server graph
o cac2cead0ff0 C-L (default)
|
| o be705100c623 C-K (default)
|/|
| o d603e2c0cdd7 C-E (default)
| |
o | 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
| | o 51c544a58128 C-C (default)
| |/
o | a9149a1428e2 C-B (default)
| |
| o 98217d5a1659 C-A (default)
|/
@ 842e2fac6304 C-ROOT (default)
Creating changesets
(update existing head)
$ echo aaa >> client-other/a
$ hg -R client-other/ commit -m "C-M"
(merge heads)
$ hg -R client-racy/ merge 'desc("C-K")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg -R client-racy/ commit -m "C-N"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o 6fd3090135df C-M (default)
|
o be705100c623 C-K (default)
|\
| o d603e2c0cdd7 C-E (default)
| |
+---o cac2cead0ff0 C-L (default)
| |
o | 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
| | o 51c544a58128 C-C (default)
| |/
o | a9149a1428e2 C-B (default)
| |
| o 98217d5a1659 C-A (default)
|/
@ 842e2fac6304 C-ROOT (default)
racing commit push a new head behind another named branch
---------------------------------------------------------
non-continuous branch are valid case, we tests for them.
# b (branch default)
# |
# o (branch foo)
# |
# | a (raced, branch default)
# |/
# * (branch foo)
# |
# * (branch default)
(resync-all + other branch)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
(run 'hg update' to get a working copy)
(creates named branch on head)
$ hg -R ./server/ up 'desc("C-N")'
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg -R ./server/ branch other
marked working directory as branch other
$ hg -R ./server/ ci -m "C-Z"
$ hg -R ./server/ up null
0 files updated, 0 files merged, 3 files removed, 0 files unresolved
(sync client)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 0 changes to 0 files
(run 'hg update' to get a working copy)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R server graph
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
Creating changesets
(update default head through another named branch one)
$ hg -R client-other/ up 'desc("C-Z")'
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ commit -m "C-O"
$ echo aaa >> client-other/a
$ hg -R client-other/ branch --force default
marked working directory as branch default
$ hg -R client-other/ commit -m "C-P"
created new head
(update default head)
$ hg -R client-racy/ up 'desc("C-Z")'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-other/a
$ hg -R client-racy/ branch --force default
marked working directory as branch default
$ hg -R client-racy/ commit -m "C-Q"
created new head
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 2 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o 1b58ee3f79e5 C-P (default)
|
o d0a85b2252a9 C-O (other)
|
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
raced commit push a new head behind another named branch
---------------------------------------------------------
non-continuous branch are valid case, we tests for them.
# b (raced branch default)
# |
# o (branch foo)
# |
# | a (branch default)
# |/
# * (branch foo)
# |
# * (branch default)
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R server graph
o b0ee3d6f51bc C-Q (default)
|
| o 1b58ee3f79e5 C-P (default)
| |
| o d0a85b2252a9 C-O (other)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
Creating changesets
(update 'other' named branch head)
$ hg -R client-other/ up 'desc("C-P")'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ branch --force other
marked working directory as branch other
$ hg -R client-other/ commit -m "C-R"
created new head
(update 'other named brnach through a 'default' changeset')
$ hg -R client-racy/ up 'desc("C-P")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-racy/a
$ hg -R client-racy/ commit -m "C-S"
$ echo bbb >> client-racy/a
$ hg -R client-racy/ branch --force other
marked working directory as branch other
$ hg -R client-racy/ commit -m "C-T"
created new head
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 1 changes to 1 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server graph
o de7b9e2ba3f6 C-R (other)
|
o 1b58ee3f79e5 C-P (default)
|
o d0a85b2252a9 C-O (other)
|
| o b0ee3d6f51bc C-Q (default)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
raced commit push a new head obsoleting the one touched by the racing push
--------------------------------------------------------------------------
# b (racing)
# |
# ø⇠◔ a (raced)
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files (+1 heads)
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 2 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
(run 'hg heads' to see heads, 'hg merge' to merge)
$ hg -R server graph
o 3d57ed3c1091 C-T (other)
|
o 2efd43f7b5ba C-S (default)
|
| o de7b9e2ba3f6 C-R (other)
|/
o 1b58ee3f79e5 C-P (default)
|
o d0a85b2252a9 C-O (other)
|
| o b0ee3d6f51bc C-Q (default)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
Creating changesets and markers
(continue existing head)
$ hg -R client-other/ up 'desc("C-Q")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo aaa >> client-other/a
$ hg -R client-other/ commit -m "C-U"
(new topo branch obsoleting that same head)
$ hg -R client-racy/ up 'desc("C-Z")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-racy/a
$ hg -R client-racy/ branch --force default
marked working directory as branch default
$ hg -R client-racy/ commit -m "C-V"
created new head
$ ID_Q=`hg -R client-racy log -T '{node}\n' -r 'desc("C-Q")'`
$ ID_V=`hg -R client-racy log -T '{node}\n' -r 'desc("C-V")'`
$ hg -R client-racy debugobsolete $ID_Q $ID_V
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 0 changes to 0 files
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server debugobsolete
$ hg -R server graph
o a98a47d8b85b C-U (default)
|
o b0ee3d6f51bc C-Q (default)
|
| o 3d57ed3c1091 C-T (other)
| |
| o 2efd43f7b5ba C-S (default)
| |
| | o de7b9e2ba3f6 C-R (other)
| |/
| o 1b58ee3f79e5 C-P (default)
| |
| o d0a85b2252a9 C-O (other)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
racing commit push a new head obsoleting the one touched by the raced push
--------------------------------------------------------------------------
(mirror test case of the previous one
# a (raced branch default)
# |
# ø⇠◔ b (racing)
# |/
# *
(resync-all)
$ hg -R ./server pull ./client-racy
pulling from ./client-racy
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
1 new obsolescence markers
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-other pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files (+1 heads)
1 new obsolescence markers
(run 'hg heads .' to see heads, 'hg merge' to merge)
$ hg -R ./client-racy pull
pulling from ssh://user@dummy/server
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files
(run 'hg update' to get a working copy)
$ hg -R server debugobsolete
b0ee3d6f51bc4c0ca6d4f2907708027a6c376233 720c5163ecf64dcc6216bee2d62bf3edb1882499 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
$ hg -R server graph
o 720c5163ecf6 C-V (default)
|
| o a98a47d8b85b C-U (default)
| |
| x b0ee3d6f51bc C-Q (default)
|/
| o 3d57ed3c1091 C-T (other)
| |
| o 2efd43f7b5ba C-S (default)
| |
| | o de7b9e2ba3f6 C-R (other)
| |/
| o 1b58ee3f79e5 C-P (default)
| |
| o d0a85b2252a9 C-O (other)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)
Creating changesets and markers
(new topo branch obsoleting that same head)
$ hg -R client-other/ up 'desc("C-Q")'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo bbb >> client-other/a
$ hg -R client-other/ branch --force default
marked working directory as branch default
$ hg -R client-other/ commit -m "C-W"
created new head
$ ID_V=`hg -R client-other log -T '{node}\n' -r 'desc("C-V")'`
$ ID_W=`hg -R client-other log -T '{node}\n' -r 'desc("C-W")'`
$ hg -R client-other debugobsolete $ID_V $ID_W
(continue the same head)
$ echo aaa >> client-racy/a
$ hg -R client-racy/ commit -m "C-X"
Pushing
$ hg -R client-racy push -r 'tip' > ./push-log 2>&1 &
$ waiton $TESTTMP/readyfile
$ hg -R client-other push -fr 'tip' --new-branch
pushing to ssh://user@dummy/server
searching for changes
remote: adding changesets
remote: adding manifests
remote: adding file changes
remote: added 1 changesets with 0 changes to 1 files (+1 heads)
remote: 1 new obsolescence markers
$ release $TESTTMP/watchfile
Check the result of the push
$ cat ./push-log
pushing to ssh://user@dummy/server
searching for changes
wrote ready: $TESTTMP/readyfile
waiting on: $TESTTMP/watchfile
abort: push failed:
'repository changed while pushing - please try again'
$ hg -R server debugobsolete
b0ee3d6f51bc4c0ca6d4f2907708027a6c376233 720c5163ecf64dcc6216bee2d62bf3edb1882499 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
720c5163ecf64dcc6216bee2d62bf3edb1882499 39bc0598afe90ab18da460bafecc0fa953b77596 0 (Thu Jan 01 00:00:00 1970 +0000) {'user': 'test'}
$ hg -R server graph --hidden
o 39bc0598afe9 C-W (default)
|
| o a98a47d8b85b C-U (default)
|/
x b0ee3d6f51bc C-Q (default)
|
| o 3d57ed3c1091 C-T (other)
| |
| o 2efd43f7b5ba C-S (default)
| |
| | o de7b9e2ba3f6 C-R (other)
| |/
| o 1b58ee3f79e5 C-P (default)
| |
| o d0a85b2252a9 C-O (other)
|/
| x 720c5163ecf6 C-V (default)
|/
o 55a6f1c01b48 C-Z (other)
|
o 866a66e18630 C-N (default)
|\
+---o 6fd3090135df C-M (default)
| |
| o cac2cead0ff0 C-L (default)
| |
o | be705100c623 C-K (default)
|\|
o | d603e2c0cdd7 C-E (default)
| |
| o 59e76faf78bd C-D (default)
| |
| | o 89420bf00fae C-J (default)
| | |
| | | o b35ed749f288 C-I (my-second-test-branch)
| | |/
| | o 75d69cba5402 C-G (default)
| | |
| | | o 833be552cfe6 C-H (my-first-test-branch)
| | |/
| | o d9e379a8c432 C-F (default)
| | |
+---o 51c544a58128 C-C (default)
| |
| o a9149a1428e2 C-B (default)
| |
o | 98217d5a1659 C-A (default)
|/
o 842e2fac6304 C-ROOT (default)