##// END OF EJS Templates
sshpeer: initial definition and implementation of new SSH protocol...
sshpeer: initial definition and implementation of new SSH protocol The existing SSH protocol has several design flaws. Future commits will elaborate on these flaws as new features are introduced to combat these flaws. For now, hopefully you can take me for my word that a ground up rewrite of the SSH protocol is needed. This commit lays the foundation for a new SSH protocol by defining a mechanism to upgrade the SSH transport channel away from the default (version 1) protocol to something modern (which we'll call "version 2" for now). This upgrade process is detailed in the internals documentation for the wire protocol. The gist of it is the client sends a request line preceding the "hello" command/line which basically says "I'm requesting an upgrade: here's what I support." If the server recognizes that line, it processes the upgrade request and the transport channel is switched to use the new version of the protocol. If not, it sends an empty response, which is how all Mercurial SSH servers from the beginning of time reacted to unknown commands. The upgrade request is effectively ignored and the client continues to use the existing version of the protocol as if nothing happened. The new version of the SSH protocol is completely identical to version 1 aside from the upgrade dance and the bytes that follow. The immediate bytes that follow the protocol switch are defined to be a length framed "capabilities: " line containing the remote's advertised capabilities. In reality, this looks very similar to what the "hello" response would look like. But it will evolve quickly. The methodology by which the protocol will evolve is important. I'm not going to introduce the new protocol all at once. That would likely lead to endless bike shedding and forward progress would stall. Instead, I intend to tricle out new features and diversions from the existing protocol in small, incremental changes. To support the gradual evolution of the protocol, the on-the-wire advertised protocol name contains an "exp" to denote "experimental" and a 4 digit field to capture the sub-version of the protocol. Whenever we make a BC change to the wire protocol, we can increment this version and lock out all older clients because it will appear as a completely different protocol version. This means we can incur as many breaking changes as we want. We don't have to commit to supporting any one feature or idea for a long period of time. We can even evolve the handshake mechanism, because that is defined as being an implementation detail of the negotiated protocol version! Hopefully this lowers the barrier to accepting changes to the protocol and for experimenting with "radical" ideas during its development. In core, sshpeer received most of the attention. We haven't even implemented the server bits for the new protocol in core yet. Instead, we add very primitive support to our test server, mainly just to exercise the added code paths in sshpeer. Differential Revision: https://phab.mercurial-scm.org/D2061 # no-check-commit because of required foo_bar naming

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test-strip.t
1340 lines | 38.8 KiB | text/troff | Tads3Lexer
$ echo "[format]" >> $HGRCPATH
$ echo "usegeneraldelta=yes" >> $HGRCPATH
$ echo "[extensions]" >> $HGRCPATH
$ echo "strip=" >> $HGRCPATH
$ echo "drawdag=$TESTDIR/drawdag.py" >> $HGRCPATH
$ restore() {
> hg unbundle -q .hg/strip-backup/*
> rm .hg/strip-backup/*
> }
$ teststrip() {
> hg up -C $1
> echo % before update $1, strip $2
> hg parents
> hg --traceback strip $2
> echo % after update $1, strip $2
> hg parents
> restore
> }
$ hg init test
$ cd test
$ echo foo > bar
$ hg ci -Ama
adding bar
$ echo more >> bar
$ hg ci -Amb
$ echo blah >> bar
$ hg ci -Amc
$ hg up 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo blah >> bar
$ hg ci -Amd
created new head
$ echo final >> bar
$ hg ci -Ame
$ hg log
changeset: 4:443431ffac4f
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
changeset: 3:65bd5f99a4a3
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
changeset: 2:264128213d29
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: c
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ teststrip 4 4
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
% before update 4, strip 4
changeset: 4:443431ffac4f
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update 4, strip 4
changeset: 3:65bd5f99a4a3
tag: tip
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
$ teststrip 4 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% before update 4, strip 3
changeset: 4:443431ffac4f
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update 4, strip 3
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
$ teststrip 1 4
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
% before update 1, strip 4
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update 1, strip 4
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
$ teststrip 4 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% before update 4, strip 2
changeset: 4:443431ffac4f
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update 4, strip 2
changeset: 3:443431ffac4f
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
$ teststrip 4 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
% before update 4, strip 1
changeset: 4:264128213d29
tag: tip
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: c
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update 4, strip 1
changeset: 0:9ab35a2d17cb
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ teststrip null 4
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
% before update null, strip 4
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
% after update null, strip 4
$ hg log
changeset: 4:264128213d29
tag: tip
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: c
changeset: 3:443431ffac4f
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: e
changeset: 2:65bd5f99a4a3
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ hg up -C 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg parents
changeset: 4:264128213d29
tag: tip
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: c
$ hg --traceback strip 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/264128213d29-0b39d6bf-backup.hg
$ hg parents
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
$ hg debugbundle .hg/strip-backup/*
Stream params: {Compression: BZ}
changegroup -- {nbchanges: 1, version: 02}
264128213d290d868c54642d13aeaa3675551a78
phase-heads -- {}
264128213d290d868c54642d13aeaa3675551a78 draft
$ hg pull .hg/strip-backup/*
pulling from .hg/strip-backup/264128213d29-0b39d6bf-backup.hg
searching for changes
adding changesets
adding manifests
adding file changes
added 1 changesets with 0 changes to 0 files (+1 heads)
new changesets 264128213d29
(run 'hg heads' to see heads, 'hg merge' to merge)
$ rm .hg/strip-backup/*
$ hg log --graph
o changeset: 4:264128213d29
| tag: tip
| parent: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
| o changeset: 3:443431ffac4f
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: e
| |
| o changeset: 2:65bd5f99a4a3
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
@ changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ hg up -C 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg merge 4
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
before strip of merge parent
$ hg parents
changeset: 2:65bd5f99a4a3
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: d
changeset: 4:264128213d29
tag: tip
parent: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: c
$ hg strip 4
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
after strip of merge parent
$ hg parents
changeset: 1:ef3a871183d7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: b
$ restore
$ hg up
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
updated to "264128213d29: c"
1 other heads for branch "default"
$ hg log -G
@ changeset: 4:264128213d29
| tag: tip
| parent: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
| o changeset: 3:443431ffac4f
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: e
| |
| o changeset: 2:65bd5f99a4a3
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
o changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
2 is parent of 3, only one strip should happen
$ hg strip "roots(2)" 3
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ hg log -G
@ changeset: 2:264128213d29
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
o changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ restore
$ hg log -G
o changeset: 4:443431ffac4f
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: e
|
o changeset: 3:65bd5f99a4a3
| parent: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
| @ changeset: 2:264128213d29
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
o changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
Failed hook while applying "saveheads" bundle.
$ hg strip 2 --config hooks.pretxnchangegroup.bad=false
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
transaction abort!
rollback completed
strip failed, backup bundle stored in '$TESTTMP/test/.hg/strip-backup/*-backup.hg' (glob)
strip failed, unrecovered changes stored in '$TESTTMP/test/.hg/strip-backup/*-temp.hg' (glob)
(fix the problem, then recover the changesets with "hg unbundle '$TESTTMP/test/.hg/strip-backup/*-temp.hg'") (glob)
abort: pretxnchangegroup.bad hook exited with status 1
[255]
$ restore
$ hg log -G
o changeset: 4:443431ffac4f
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: e
|
o changeset: 3:65bd5f99a4a3
| parent: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
| o changeset: 2:264128213d29
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: c
|
@ changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
2 different branches: 2 strips
$ hg strip 2 4
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ hg log -G
o changeset: 2:65bd5f99a4a3
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: d
|
@ changeset: 1:ef3a871183d7
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ restore
2 different branches and a common ancestor: 1 strip
$ hg strip 1 "2|4"
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ restore
verify fncache is kept up-to-date
$ touch a
$ hg ci -qAm a
$ cat .hg/store/fncache | sort
data/a.i
data/bar.i
$ hg strip tip
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ cat .hg/store/fncache
data/bar.i
stripping an empty revset
$ hg strip "1 and not 1"
abort: empty revision set
[255]
remove branchy history for qimport tests
$ hg strip 3
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
strip of applied mq should cleanup status file
$ echo "mq=" >> $HGRCPATH
$ hg up -C 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo fooagain >> bar
$ hg ci -mf
$ hg qimport -r tip:2
applied patches before strip
$ hg qapplied
d
e
f
stripping revision in queue
$ hg strip 3
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
applied patches after stripping rev in queue
$ hg qapplied
d
stripping ancestor of queue
$ hg strip 1
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
applied patches after stripping ancestor of queue
$ hg qapplied
Verify strip protects against stripping wc parent when there are uncommitted mods
$ echo b > b
$ echo bb > bar
$ hg add b
$ hg ci -m 'b'
$ hg log --graph
@ changeset: 1:76dcf9fab855
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: b
|
o changeset: 0:9ab35a2d17cb
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ hg up 0
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo c > bar
$ hg up -t false
merging bar
merging bar failed!
1 files updated, 0 files merged, 0 files removed, 1 files unresolved
use 'hg resolve' to retry unresolved file merges
[1]
$ hg sum
parent: 1:76dcf9fab855 tip
b
branch: default
commit: 1 modified, 1 unknown, 1 unresolved
update: (current)
phases: 2 draft
mq: 3 unapplied
$ echo c > b
$ hg strip tip
abort: local changes found
[255]
$ hg strip tip --keep
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ hg log --graph
@ changeset: 0:9ab35a2d17cb
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: a
$ hg status
M bar
? b
? bar.orig
$ rm bar.orig
$ hg sum
parent: 0:9ab35a2d17cb tip
a
branch: default
commit: 1 modified, 1 unknown
update: (current)
phases: 1 draft
mq: 3 unapplied
Strip adds, removes, modifies with --keep
$ touch b
$ hg add b
$ hg commit -mb
$ touch c
... with a clean working dir
$ hg add c
$ hg rm bar
$ hg commit -mc
$ hg status
$ hg strip --keep tip
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ hg status
! bar
? c
... with a dirty working dir
$ hg add c
$ hg rm bar
$ hg commit -mc
$ hg status
$ echo b > b
$ echo d > d
$ hg strip --keep tip
saved backup bundle to $TESTTMP/test/.hg/strip-backup/*-backup.hg (glob)
$ hg status
M b
! bar
? c
? d
... after updating the dirstate
$ hg add c
$ hg commit -mc
$ hg rm c
$ hg commit -mc
$ hg strip --keep '.^' -q
$ cd ..
stripping many nodes on a complex graph (issue3299)
$ hg init issue3299
$ cd issue3299
$ hg debugbuilddag '@a.:a@b.:b.:x<a@a.:a<b@b.:b<a@a.:a'
$ hg strip 'not ancestors(x)'
saved backup bundle to $TESTTMP/issue3299/.hg/strip-backup/*-backup.hg (glob)
test hg strip -B bookmark
$ cd ..
$ hg init bookmarks
$ cd bookmarks
$ hg debugbuilddag '..<2.*1/2:m<2+3:c<m+3:a<2.:b<m+2:d<2.:e<m+1:f'
$ hg bookmark -r 'a' 'todelete'
$ hg bookmark -r 'b' 'B'
$ hg bookmark -r 'b' 'nostrip'
$ hg bookmark -r 'c' 'delete'
$ hg bookmark -r 'd' 'multipledelete1'
$ hg bookmark -r 'e' 'multipledelete2'
$ hg bookmark -r 'f' 'singlenode1'
$ hg bookmark -r 'f' 'singlenode2'
$ hg up -C todelete
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
(activating bookmark todelete)
$ hg strip -B nostrip
bookmark 'nostrip' deleted
abort: empty revision set
[255]
$ hg strip -B todelete
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob)
bookmark 'todelete' deleted
$ hg id -ir dcbb326fdec2
abort: unknown revision 'dcbb326fdec2'!
[255]
$ hg id -ir d62d843c9a01
d62d843c9a01
$ hg bookmarks
B 9:ff43616e5d0f
delete 6:2702dd0c91e7
multipledelete1 11:e46a4836065c
multipledelete2 12:b4594d867745
singlenode1 13:43227190fef8
singlenode2 13:43227190fef8
$ hg strip -B multipledelete1 -B multipledelete2
saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/e46a4836065c-89ec65c2-backup.hg
bookmark 'multipledelete1' deleted
bookmark 'multipledelete2' deleted
$ hg id -ir e46a4836065c
abort: unknown revision 'e46a4836065c'!
[255]
$ hg id -ir b4594d867745
abort: unknown revision 'b4594d867745'!
[255]
$ hg strip -B singlenode1 -B singlenode2
saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/43227190fef8-8da858f2-backup.hg
bookmark 'singlenode1' deleted
bookmark 'singlenode2' deleted
$ hg id -ir 43227190fef8
abort: unknown revision '43227190fef8'!
[255]
$ hg strip -B unknownbookmark
abort: bookmark 'unknownbookmark' not found
[255]
$ hg strip -B unknownbookmark1 -B unknownbookmark2
abort: bookmark 'unknownbookmark1,unknownbookmark2' not found
[255]
$ hg strip -B delete -B unknownbookmark
abort: bookmark 'unknownbookmark' not found
[255]
$ hg strip -B delete
saved backup bundle to $TESTTMP/bookmarks/.hg/strip-backup/*-backup.hg (glob)
bookmark 'delete' deleted
$ hg id -ir 6:2702dd0c91e7
abort: unknown revision '2702dd0c91e7'!
[255]
$ hg update B
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
(activating bookmark B)
$ echo a > a
$ hg add a
$ hg strip -B B
abort: local changes found
[255]
$ hg bookmarks
* B 6:ff43616e5d0f
Make sure no one adds back a -b option:
$ hg strip -b tip
hg strip: option -b not recognized
hg strip [-k] [-f] [-B bookmark] [-r] REV...
strip changesets and all their descendants from the repository
(use 'hg help -e strip' to show help for the strip extension)
options ([+] can be repeated):
-r --rev REV [+] strip specified revision (optional, can specify
revisions without this option)
-f --force force removal of changesets, discard uncommitted
changes (no backup)
--no-backup no backups
-k --keep do not modify working directory during strip
-B --bookmark VALUE [+] remove revs only reachable from given bookmark
--mq operate on patch repository
(use 'hg strip -h' to show more help)
[255]
$ cd ..
Verify bundles don't get overwritten:
$ hg init doublebundle
$ cd doublebundle
$ touch a
$ hg commit -Aqm a
$ touch b
$ hg commit -Aqm b
$ hg strip -r 0
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-e68910bd-backup.hg
$ ls .hg/strip-backup
3903775176ed-e68910bd-backup.hg
$ hg pull -q -r 3903775176ed .hg/strip-backup/3903775176ed-e68910bd-backup.hg
$ hg strip -r 0
saved backup bundle to $TESTTMP/doublebundle/.hg/strip-backup/3903775176ed-54390173-backup.hg
$ ls .hg/strip-backup
3903775176ed-54390173-backup.hg
3903775176ed-e68910bd-backup.hg
$ cd ..
Test that we only bundle the stripped changesets (issue4736)
------------------------------------------------------------
initialization (previous repo is empty anyway)
$ hg init issue4736
$ cd issue4736
$ echo a > a
$ hg add a
$ hg commit -m commitA
$ echo b > b
$ hg add b
$ hg commit -m commitB
$ echo c > c
$ hg add c
$ hg commit -m commitC
$ hg up 'desc(commitB)'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo d > d
$ hg add d
$ hg commit -m commitD
created new head
$ hg up 'desc(commitC)'
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge 'desc(commitD)'
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m 'mergeCD'
$ hg log -G
@ changeset: 4:d8db9d137221
|\ tag: tip
| | parent: 2:5c51d8d6557d
| | parent: 3:6625a5168474
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: mergeCD
| |
| o changeset: 3:6625a5168474
| | parent: 1:eca11cf91c71
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: commitD
| |
o | changeset: 2:5c51d8d6557d
|/ user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitC
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
Check bundle behavior:
$ hg bundle -r 'desc(mergeCD)' --base 'desc(commitC)' ../issue4736.hg
2 changesets found
$ hg log -r 'bundle()' -R ../issue4736.hg
changeset: 3:6625a5168474
parent: 1:eca11cf91c71
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitD
changeset: 4:d8db9d137221
tag: tip
parent: 2:5c51d8d6557d
parent: 3:6625a5168474
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: mergeCD
check strip behavior
$ hg --config extensions.strip= strip 'desc(commitD)' --debug
resolving manifests
branchmerge: False, force: True, partial: False
ancestor: d8db9d137221+, local: d8db9d137221+, remote: eca11cf91c71
c: other deleted -> r
removing c
d: other deleted -> r
removing d
starting 4 threads for background file closing (?)
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
2 changesets found
list of changesets:
6625a516847449b6f0fa3737b9ba56e9f0f3032c
d8db9d1372214336d2b5570f20ee468d2c72fa8b
bundle2-output-bundle: "HG20", (1 params) 2 parts total
bundle2-output-part: "changegroup" (params: 1 mandatory 1 advisory) streamed payload
bundle2-output-part: "phase-heads" 24 bytes payload
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/6625a5168474-345bb43d-backup.hg
updating the branch cache
invalid branchheads cache (served): tip differs
truncating cache/rbc-revs-v1 to 24
$ hg log -G
o changeset: 2:5c51d8d6557d
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitC
|
@ changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
strip backup content
$ hg log -r 'bundle()' -R .hg/strip-backup/6625a5168474-*-backup.hg
changeset: 3:6625a5168474
parent: 1:eca11cf91c71
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitD
changeset: 4:d8db9d137221
tag: tip
parent: 2:5c51d8d6557d
parent: 3:6625a5168474
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: mergeCD
Check that the phase cache is properly invalidated after a strip with bookmark.
$ cat > ../stripstalephasecache.py << EOF
> from mercurial import extensions, localrepo
> def transactioncallback(orig, repo, desc, *args, **kwargs):
> def test(transaction):
> # observe cache inconsistency
> try:
> [repo.changelog.node(r) for r in repo.revs(b"not public()")]
> except IndexError:
> repo.ui.status(b"Index error!\n")
> transaction = orig(repo, desc, *args, **kwargs)
> # warm up the phase cache
> list(repo.revs(b"not public()"))
> if desc != b'strip':
> transaction.addpostclose(b"phase invalidation test", test)
> return transaction
> def extsetup(ui):
> extensions.wrapfunction(localrepo.localrepository, b"transaction",
> transactioncallback)
> EOF
$ hg up -C 2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo k > k
$ hg add k
$ hg commit -m commitK
$ echo l > l
$ hg add l
$ hg commit -m commitL
$ hg book -r tip blah
$ hg strip ".^" --config extensions.crash=$TESTTMP/stripstalephasecache.py
0 files updated, 0 files merged, 2 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/8f0b4384875c-4fa10deb-backup.hg
$ hg up -C 1
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
Error during post-close callback of the strip transaction
(They should be gracefully handled and reported)
$ cat > ../crashstrip.py << EOF
> from mercurial import error
> def reposetup(ui, repo):
> class crashstriprepo(repo.__class__):
> def transaction(self, desc, *args, **kwargs):
> tr = super(crashstriprepo, self).transaction(desc, *args, **kwargs)
> if desc == b'strip':
> def crash(tra): raise error.Abort(b'boom')
> tr.addpostclose(b'crash', crash)
> return tr
> repo.__class__ = crashstriprepo
> EOF
$ hg strip tip --config extensions.crash=$TESTTMP/crashstrip.py
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/5c51d8d6557d-70daef06-backup.hg
strip failed, backup bundle stored in '$TESTTMP/issue4736/.hg/strip-backup/5c51d8d6557d-70daef06-backup.hg'
abort: boom
[255]
test stripping a working directory parent doesn't switch named branches
$ hg log -G
@ changeset: 1:eca11cf91c71
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg branch new-branch
marked working directory as branch new-branch
(branches are permanent and global, did you want a bookmark?)
$ hg ci -m "start new branch"
$ echo 'foo' > foo.txt
$ hg ci -Aqm foo
$ hg up default
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo 'bar' > bar.txt
$ hg ci -Aqm bar
$ hg up new-branch
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg log -G
@ changeset: 4:35358f982181
| tag: tip
| parent: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: bar
|
| @ changeset: 3:f62c6c09b707
| | branch: new-branch
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: foo
| |
| o changeset: 2:b1d33a8cadd9
|/ branch: new-branch
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: start new branch
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg strip --force -r 35358f982181
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/35358f982181-50d992d4-backup.hg
$ hg log -G
@ changeset: 3:f62c6c09b707
| branch: new-branch
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: foo
|
o changeset: 2:b1d33a8cadd9
| branch: new-branch
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: start new branch
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg up default
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo 'bar' > bar.txt
$ hg ci -Aqm bar
$ hg up new-branch
1 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg merge default
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m merge
$ hg log -G
@ changeset: 5:4cf5e92caec2
|\ branch: new-branch
| | tag: tip
| | parent: 3:f62c6c09b707
| | parent: 4:35358f982181
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: merge
| |
| o changeset: 4:35358f982181
| | parent: 1:eca11cf91c71
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: bar
| |
o | changeset: 3:f62c6c09b707
| | branch: new-branch
| | user: test
| | date: Thu Jan 01 00:00:00 1970 +0000
| | summary: foo
| |
o | changeset: 2:b1d33a8cadd9
|/ branch: new-branch
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: start new branch
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg strip -r 35358f982181
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/35358f982181-a6f020aa-backup.hg
$ hg log -G
@ changeset: 3:f62c6c09b707
| branch: new-branch
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: foo
|
o changeset: 2:b1d33a8cadd9
| branch: new-branch
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: start new branch
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg pull -u $TESTTMP/issue4736/.hg/strip-backup/35358f982181-a6f020aa-backup.hg
pulling from $TESTTMP/issue4736/.hg/strip-backup/35358f982181-a6f020aa-backup.hg
searching for changes
adding changesets
adding manifests
adding file changes
added 2 changesets with 1 changes to 1 files
new changesets 35358f982181:4cf5e92caec2
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg strip -k -r 35358f982181
saved backup bundle to $TESTTMP/issue4736/.hg/strip-backup/35358f982181-a6f020aa-backup.hg
$ hg log -G
@ changeset: 3:f62c6c09b707
| branch: new-branch
| tag: tip
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: foo
|
o changeset: 2:b1d33a8cadd9
| branch: new-branch
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: start new branch
|
o changeset: 1:eca11cf91c71
| user: test
| date: Thu Jan 01 00:00:00 1970 +0000
| summary: commitB
|
o changeset: 0:105141ef12d0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: commitA
$ hg diff
diff -r f62c6c09b707 bar.txt
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/bar.txt Thu Jan 01 00:00:00 1970 +0000
@@ -0,0 +1,1 @@
+bar
Use delayedstrip to strip inside a transaction
$ cd $TESTTMP
$ hg init delayedstrip
$ cd delayedstrip
$ hg debugdrawdag <<'EOS'
> D
> |
> C F H # Commit on top of "I",
> | |/| # Strip B+D+I+E+G+H+Z
> I B E G
> \|/
> A Z
> EOS
$ cp -R . ../scmutilcleanup
$ hg up -C I
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ echo 3 >> I
$ cat > $TESTTMP/delayedstrip.py <<EOF
> from __future__ import absolute_import
> from mercurial import commands, registrar, repair
> cmdtable = {}
> command = registrar.command(cmdtable)
> @command(b'testdelayedstrip')
> def testdelayedstrip(ui, repo):
> def getnodes(expr):
> return [repo.changelog.node(r) for r in repo.revs(expr)]
> with repo.wlock():
> with repo.lock():
> with repo.transaction(b'delayedstrip'):
> repair.delayedstrip(ui, repo, getnodes(b'B+I+Z+D+E'), b'J')
> repair.delayedstrip(ui, repo, getnodes(b'G+H+Z'), b'I')
> commands.commit(ui, repo, message=b'J', date=b'0 0')
> EOF
$ hg testdelayedstrip --config extensions.t=$TESTTMP/delayedstrip.py
warning: orphaned descendants detected, not stripping 08ebfeb61bac, 112478962961, 7fb047a69f22
saved backup bundle to $TESTTMP/delayedstrip/.hg/strip-backup/f585351a92f8-17475721-I.hg
$ hg log -G -T '{rev}:{node|short} {desc}' -r 'sort(all(), topo)'
@ 6:2f2d51af6205 J
|
o 3:08ebfeb61bac I
|
| o 5:64a8289d2492 F
| |
| o 2:7fb047a69f22 E
|/
| o 4:26805aba1e60 C
| |
| o 1:112478962961 B
|/
o 0:426bada5c675 A
Test high-level scmutil.cleanupnodes API
$ cd $TESTTMP/scmutilcleanup
$ hg debugdrawdag <<'EOS'
> D2 F2 G2 # D2, F2, G2 are replacements for D, F, G
> | | |
> C H G
> EOS
$ for i in B C D F G I Z; do
> hg bookmark -i -r $i b-$i
> done
$ hg bookmark -i -r E 'b-F@divergent1'
$ hg bookmark -i -r H 'b-F@divergent2'
$ hg bookmark -i -r G 'b-F@divergent3'
$ cp -R . ../scmutilcleanup.obsstore
$ cat > $TESTTMP/scmutilcleanup.py <<EOF
> from mercurial import registrar, scmutil
> cmdtable = {}
> command = registrar.command(cmdtable)
> @command(b'testnodescleanup')
> def testnodescleanup(ui, repo):
> def nodes(expr):
> return [repo.changelog.node(r) for r in repo.revs(expr)]
> def node(expr):
> return nodes(expr)[0]
> with repo.wlock():
> with repo.lock():
> with repo.transaction(b'delayedstrip'):
> mapping = {node(b'F'): [node(b'F2')],
> node(b'D'): [node(b'D2')],
> node(b'G'): [node(b'G2')]}
> scmutil.cleanupnodes(repo, mapping, b'replace')
> scmutil.cleanupnodes(repo, nodes(b'((B::)+I+Z)-D2'),
> b'replace')
> EOF
$ hg testnodescleanup --config extensions.t=$TESTTMP/scmutilcleanup.py
warning: orphaned descendants detected, not stripping 112478962961, 1fc8102cda62, 26805aba1e60
saved backup bundle to $TESTTMP/scmutilcleanup/.hg/strip-backup/f585351a92f8-73fb7c03-replace.hg
$ hg log -G -T '{rev}:{node|short} {desc} {bookmarks}' -r 'sort(all(), topo)'
o 8:1473d4b996d1 G2 b-F@divergent3 b-G
|
| o 7:d11b3456a873 F2 b-F
| |
| o 5:5cb05ba470a7 H
|/|
| o 3:7fb047a69f22 E b-F@divergent1
| |
| | o 6:7c78f703e465 D2 b-D
| | |
| | o 4:26805aba1e60 C
| | |
| | o 2:112478962961 B
| |/
o | 1:1fc8102cda62 G
/
o 0:426bada5c675 A b-B b-C b-I
$ hg bookmark
b-B 0:426bada5c675
b-C 0:426bada5c675
b-D 6:7c78f703e465
b-F 7:d11b3456a873
b-F@divergent1 3:7fb047a69f22
b-F@divergent3 8:1473d4b996d1
b-G 8:1473d4b996d1
b-I 0:426bada5c675
b-Z -1:000000000000
Test the above using obsstore "by the way". Not directly related to strip, but
we have reusable code here
$ cd $TESTTMP/scmutilcleanup.obsstore
$ cat >> .hg/hgrc <<EOF
> [experimental]
> evolution=true
> evolution.track-operation=1
> EOF
$ hg testnodescleanup --config extensions.t=$TESTTMP/scmutilcleanup.py
4 new orphan changesets
$ rm .hg/localtags
$ hg log -G -T '{rev}:{node|short} {desc} {bookmarks}' -r 'sort(all(), topo)'
* 12:1473d4b996d1 G2 b-F@divergent3 b-G
|
| * 11:d11b3456a873 F2 b-F
| |
| * 8:5cb05ba470a7 H
|/|
| o 4:7fb047a69f22 E b-F@divergent1
| |
| | * 10:7c78f703e465 D2 b-D
| | |
| | x 6:26805aba1e60 C
| | |
| | x 3:112478962961 B
| |/
x | 1:1fc8102cda62 G
/
o 0:426bada5c675 A b-B b-C b-I
$ hg debugobsolete
1fc8102cda6204549f031015641606ccf5513ec3 1473d4b996d1d1b121de6b39fab6a04fbf9d873e 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '13', 'operation': 'replace', 'user': 'test'}
64a8289d249234b9886244d379f15e6b650b28e3 d11b3456a873daec7c7bc53e5622e8df6d741bd2 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '13', 'operation': 'replace', 'user': 'test'}
f585351a92f85104bff7c284233c338b10eb1df7 7c78f703e465d73102cc8780667ce269c5208a40 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '9', 'operation': 'replace', 'user': 'test'}
48b9aae0607f43ff110d84e6883c151942add5ab 0 {0000000000000000000000000000000000000000} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'replace', 'user': 'test'}
112478962961147124edd43549aedd1a335e44bf 0 {426bada5c67598ca65036d57d9e4b64b0c1ce7a0} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'replace', 'user': 'test'}
08ebfeb61bac6e3f12079de774d285a0d6689eba 0 {426bada5c67598ca65036d57d9e4b64b0c1ce7a0} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'replace', 'user': 'test'}
26805aba1e600a82e93661149f2313866a221a7b 0 {112478962961147124edd43549aedd1a335e44bf} (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '0', 'operation': 'replace', 'user': 'test'}
$ cd ..
Test that obsmarkers are restored even when not using generaldelta
$ hg --config format.usegeneraldelta=no init issue5678
$ cd issue5678
$ cat >> .hg/hgrc <<EOF
> [experimental]
> evolution=true
> EOF
$ echo a > a
$ hg ci -Aqm a
$ hg ci --amend -m a2
$ hg debugobsolete
cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b 489bac576828490c0bb8d45eac9e5e172e4ec0a8 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '1', 'operation': 'amend', 'user': 'test'}
$ hg strip .
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
saved backup bundle to $TESTTMP/issue5678/.hg/strip-backup/489bac576828-bef27e14-backup.hg
$ hg unbundle -q .hg/strip-backup/*
$ hg debugobsolete
cb9a9f314b8b07ba71012fcdbc544b5a4d82ff5b 489bac576828490c0bb8d45eac9e5e172e4ec0a8 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '1', 'operation': 'amend', 'user': 'test'}
$ cd ..