obsolescence: add test for the "branch replacement" logic during push, case B3
Mercurial checks for the introduction of new heads on push. Evolution comes
into play to detect if existing branches on the server are being replaced by
some of the new one we push.
The current code for this logic is very basic (eg: issue4354) and was poorly
tested. We have a better implementation coming in the evolve extension fixing
these issues and with more serious tests coverage. In the process of upstreaming
this improved logic, we start with adding the test case that are already passing
with the current implementation. Once they are all in, we'll upstream the better
implementation and the extra test cases.
See inline documentation for details about the test case added in this
changeset.
$ . "$TESTDIR/histedit-helpers.sh"
$ cat >> $HGRCPATH <<EOF
> [extensions]
> histedit=
> EOF
$ modwithdate ()
> {
> echo $1 > $1
> hg ci -m $1 -d "$2 0"
> }
$ initrepo ()
> {
> hg init $1
> cd $1
> for x in a b c d e f ; do
> echo $x$x$x$x$x > $x
> hg add $x
> done
> hg ci -m 'Initial commit'
> modwithdate a 1
> modwithdate b 2
> modwithdate c 3
> modwithdate d 4
> modwithdate e 5
> modwithdate f 6
> echo 'I can haz no commute' > e
> hg ci -m 'does not commute with e' -d '7 0'
> cd ..
> }
$ initrepo r
$ cd r
Initial generation of the command files
$ EDITED="$TESTTMP/editedhistory"
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 3 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 4 >> $EDITED
$ hg log --template 'fold {node|short} {rev} {desc}\n' -r 7 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED
$ cat $EDITED
pick 092e4ce14829 3 c
pick ae78f4c9d74f 4 d
fold 42abbb61bede 7 does not commute with e
pick 7f3755409b00 5 e
pick dd184f2faeb0 6 f
log before edit
$ hg log --graph
@ changeset: 7:42abbb61bede
| tag: tip
| user: test
| date: Thu Jan 01 00:00:07 1970 +0000
| summary: does not commute with e
|
o changeset: 6:dd184f2faeb0
| user: test
| date: Thu Jan 01 00:00:06 1970 +0000
| summary: f
|
o changeset: 5:7f3755409b00
| user: test
| date: Thu Jan 01 00:00:05 1970 +0000
| summary: e
|
o changeset: 4:ae78f4c9d74f
| user: test
| date: Thu Jan 01 00:00:04 1970 +0000
| summary: d
|
o changeset: 3:092e4ce14829
| user: test
| date: Thu Jan 01 00:00:03 1970 +0000
| summary: c
|
o changeset: 2:40ccdd8beb95
| user: test
| date: Thu Jan 01 00:00:02 1970 +0000
| summary: b
|
o changeset: 1:cd997a145b29
| user: test
| date: Thu Jan 01 00:00:01 1970 +0000
| summary: a
|
o changeset: 0:1715188a53c7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: Initial commit
edit the history
$ hg histedit 3 --commands $EDITED 2>&1 | fixbundle
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging e
warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
Fix up the change (fold 42abbb61bede)
(hg histedit --continue to resume)
fix up
$ echo 'I can haz no commute' > e
$ hg resolve --mark e
(no more unresolved files)
continue: hg histedit --continue
$ HGEDITOR=cat hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed'
d
***
does not commute with e
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: test
HG: branch 'default'
HG: changed d
HG: changed e
merging e
warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
Fix up the change (pick 7f3755409b00)
(hg histedit --continue to resume)
just continue this time
keep the non-commuting change, and thus the pending change will be dropped
$ hg revert -r 'p1()' e
$ hg resolve --mark e
(no more unresolved files)
continue: hg histedit --continue
$ hg diff
$ hg histedit --continue 2>&1 | fixbundle
7f3755409b00: skipping changeset (no changes)
log after edit
$ hg log --graph
@ changeset: 5:1300355b1a54
| tag: tip
| user: test
| date: Thu Jan 01 00:00:06 1970 +0000
| summary: f
|
o changeset: 4:e2ac33269083
| user: test
| date: Thu Jan 01 00:00:07 1970 +0000
| summary: d
|
o changeset: 3:092e4ce14829
| user: test
| date: Thu Jan 01 00:00:03 1970 +0000
| summary: c
|
o changeset: 2:40ccdd8beb95
| user: test
| date: Thu Jan 01 00:00:02 1970 +0000
| summary: b
|
o changeset: 1:cd997a145b29
| user: test
| date: Thu Jan 01 00:00:01 1970 +0000
| summary: a
|
o changeset: 0:1715188a53c7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: Initial commit
contents of e
$ hg cat e
I can haz no commute
manifest
$ hg manifest
a
b
c
d
e
f
$ cd ..
Repeat test using "roll", not "fold". "roll" folds in changes but drops message and date
$ initrepo r2
$ cd r2
Initial generation of the command files
$ EDITED="$TESTTMP/editedhistory.2"
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 3 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 4 >> $EDITED
$ hg log --template 'roll {node|short} {rev} {desc}\n' -r 7 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 5 >> $EDITED
$ hg log --template 'pick {node|short} {rev} {desc}\n' -r 6 >> $EDITED
$ cat $EDITED
pick 092e4ce14829 3 c
pick ae78f4c9d74f 4 d
roll 42abbb61bede 7 does not commute with e
pick 7f3755409b00 5 e
pick dd184f2faeb0 6 f
log before edit
$ hg log --graph
@ changeset: 7:42abbb61bede
| tag: tip
| user: test
| date: Thu Jan 01 00:00:07 1970 +0000
| summary: does not commute with e
|
o changeset: 6:dd184f2faeb0
| user: test
| date: Thu Jan 01 00:00:06 1970 +0000
| summary: f
|
o changeset: 5:7f3755409b00
| user: test
| date: Thu Jan 01 00:00:05 1970 +0000
| summary: e
|
o changeset: 4:ae78f4c9d74f
| user: test
| date: Thu Jan 01 00:00:04 1970 +0000
| summary: d
|
o changeset: 3:092e4ce14829
| user: test
| date: Thu Jan 01 00:00:03 1970 +0000
| summary: c
|
o changeset: 2:40ccdd8beb95
| user: test
| date: Thu Jan 01 00:00:02 1970 +0000
| summary: b
|
o changeset: 1:cd997a145b29
| user: test
| date: Thu Jan 01 00:00:01 1970 +0000
| summary: a
|
o changeset: 0:1715188a53c7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: Initial commit
edit the history
$ hg histedit 3 --commands $EDITED 2>&1 | fixbundle
2 files updated, 0 files merged, 0 files removed, 0 files unresolved
merging e
warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
Fix up the change (roll 42abbb61bede)
(hg histedit --continue to resume)
fix up
$ echo 'I can haz no commute' > e
$ hg resolve --mark e
(no more unresolved files)
continue: hg histedit --continue
$ hg histedit --continue 2>&1 | fixbundle | grep -v '2 files removed'
merging e
warning: conflicts while merging e! (edit, then use 'hg resolve --mark')
Fix up the change (pick 7f3755409b00)
(hg histedit --continue to resume)
just continue this time
$ hg revert -r 'p1()' e
$ hg resolve --mark e
(no more unresolved files)
continue: hg histedit --continue
$ hg histedit --continue 2>&1 | fixbundle
7f3755409b00: skipping changeset (no changes)
log after edit
$ hg log --graph
@ changeset: 5:b538bcb461be
| tag: tip
| user: test
| date: Thu Jan 01 00:00:06 1970 +0000
| summary: f
|
o changeset: 4:317e37cb6d66
| user: test
| date: Thu Jan 01 00:00:04 1970 +0000
| summary: d
|
o changeset: 3:092e4ce14829
| user: test
| date: Thu Jan 01 00:00:03 1970 +0000
| summary: c
|
o changeset: 2:40ccdd8beb95
| user: test
| date: Thu Jan 01 00:00:02 1970 +0000
| summary: b
|
o changeset: 1:cd997a145b29
| user: test
| date: Thu Jan 01 00:00:01 1970 +0000
| summary: a
|
o changeset: 0:1715188a53c7
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: Initial commit
contents of e
$ hg cat e
I can haz no commute
manifest
$ hg manifest
a
b
c
d
e
f
description is taken from rollup target commit
$ hg log --debug --rev 4
changeset: 4:317e37cb6d66c1c84628c00e5bf4c8c292831951
phase: draft
parent: 3:092e4ce14829f4974399ce4316d59f64ef0b6725
parent: -1:0000000000000000000000000000000000000000
manifest: 4:b068a323d969f22af1296ec6a5ea9384cef437ac
user: test
date: Thu Jan 01 00:00:04 1970 +0000
files: d e
extra: branch=default
extra: histedit_source=ae78f4c9d74ffa4b6cb5045001c303fe9204e890,42abbb61bede6f4366fa1e74a664343e5d558a70
description:
d
done with repo r2
$ cd ..