$ . $TESTDIR/testlib/common.sh
setup
$ cat >> $HGRCPATH <<EOF
> [defaults]
> fold=-d "0 0"
> [extensions]
> evolve=
> [alias]
> glog = log -GT "{rev}: {desc}"
> glf = log -GT "{rev}: {desc} ({files})"
> [ui]
> logtemplate = '{rev} - {node|short} {desc|firstline} [{author}] ({phase}) {bookmarks}\n'
> EOF
$ mkcommit() {
> echo "$1" > "$1"
> hg add "$1"
> hg ci -qm "$1"
> }
$ hg init fold-tests
$ cd fold-tests/
$ hg debugbuilddag .+3:branchpoint+4*branchpoint+2
$ hg up 'desc("r7")'
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg bookmark bm1
$ hg log -G
o 10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
|
o 9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
|
o 8 - abf57d94268b r8 [debugbuilddag] (draft)
|
| @ 7 - 4de32a90b66c r7 [debugbuilddag] (draft) bm1
| |
| o 6 - f69452c5b1af r6 [debugbuilddag] (draft)
| |
| o 5 - c8d03c1b5e94 r5 [debugbuilddag] (draft)
| |
| o 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (draft)
Test various error case
$ hg fold --exact null::
abort: cannot fold the null revision
(no changeset checked out)
[255]
$ hg fold
abort: no revisions specified
[255]
$ hg fold --from
abort: no revisions specified
[255]
$ hg fold .
abort: must specify either --from or --exact
[255]
$ hg fold --from . --exact
abort: cannot use both --from and --exact
[255]
$ hg fold --from .
single revision specified, nothing to fold
[1]
$ hg fold '0::(7+10)' --exact
abort: cannot fold non-linear revisions (multiple heads given)
[255]
$ hg fold -r 4 -r 6 --exact
abort: cannot fold non-linear revisions (multiple roots given)
[255]
$ hg fold --from 10 1
abort: cannot fold non-linear revisions
(given revisions are unrelated to parent of working directory)
[255]
$ hg fold --exact -r "4 and not 4"
abort: specified revisions evaluate to an empty set
(use different revision arguments)
[255]
$ hg phase --public 0
$ hg fold --from -r 0
abort: cannot fold public changesets: 1ea73414a91b
(see 'hg help phases' for details)
[255]
Test actual folding
$ hg fold --from -r 'desc("r5")'
3 changesets folded
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg debugobsolete -r 'desc("r5")' --exclusive
4de32a90b66cd083ebf3c00b41277aa7abca51dd 198b5c405d01a50c41a81a00fc61677b81981a5f 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '37', 'fold-id': '25cb328e', 'fold-idx': '3', 'fold-size': '3', 'operation': 'fold', 'user': 'test'}
c8d03c1b5e94af74b772900c58259d2e08917735 198b5c405d01a50c41a81a00fc61677b81981a5f 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '33', 'fold-id': '25cb328e', 'fold-idx': '1', 'fold-size': '3', 'operation': 'fold', 'user': 'test'}
f69452c5b1af6cbaaa56ef50cf94fff5bcc6ca23 198b5c405d01a50c41a81a00fc61677b81981a5f 0 (Thu Jan 01 00:00:00 1970 +0000) {'ef1': '37', 'fold-id': '25cb328e', 'fold-idx': '2', 'fold-size': '3', 'operation': 'fold', 'user': 'test'}
Checking whether the bookmarks are moved or not
$ hg log -G
@ 11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
|
| o 10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
| |
| o 9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
| |
| o 8 - abf57d94268b r8 [debugbuilddag] (draft)
| |
o | 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
(test inherited from test-evolve.t)
$ hg fold --from 6 # want to run hg fold 6
abort: hidden revision '6' was rewritten as: 198b5c405d01!
(use --hidden to access hidden revisions)
[255]
$ hg log -G
@ 11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
|
| o 10 - a8407f9a3dc1 r10 [debugbuilddag] (draft)
| |
| o 9 - 529dfc5bb875 r9 [debugbuilddag] (draft)
| |
| o 8 - abf57d94268b r8 [debugbuilddag] (draft)
| |
o | 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
test fold --exact
$ hg fold --exact 'desc("r8") + desc("r10")'
abort: cannot fold non-linear revisions (multiple roots given)
[255]
$ hg fold --exact 'desc("r8")::desc("r10")'
3 changesets folded
$ hg log -G
o 12 - b568edbee6e0 r8 [debugbuilddag] (draft)
|
| @ 11 - 198b5c405d01 r5 [debugbuilddag] (draft) bm1
| |
| o 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
Test allow unstable
$ echo a > a
$ hg add a
$ hg commit '-m r11'
$ hg up '.^'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
(leaving bookmark bm1)
$ hg log -G
o 13 - 14d0e0da8e91 r11 [test] (draft) bm1
|
| o 12 - b568edbee6e0 r8 [debugbuilddag] (draft)
| |
@ | 11 - 198b5c405d01 r5 [debugbuilddag] (draft)
| |
o | 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
$ cat << EOF >> .hg/hgrc
> [experimental]
> evolution = createmarkers, allnewcommands
> EOF
$ hg fold --from 'desc("r4")'
abort: fold will orphan 1 descendants
(see 'hg help evolution.instability')
[255]
$ hg fold --from 'desc("r3")::desc("r11")'
abort: fold will orphan 1 descendants
(see 'hg help evolution.instability')
[255]
test --user variant
$ cat << EOF >> .hg/hgrc
> [experimental]
> evolution = createmarkers, allnewcommands
> EOF
$ cat << EOF >> .hg/hgrc
> [experimental]
> evolution = all
> EOF
$ hg fold --exact 'desc("r5") + desc("r11")' --user 'Victor Rataxes <victor@rhino.savannah>'
2 changesets folded
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg log -G
@ 14 - 29b470a33594 r5 [Victor Rataxes <victor@rhino.savannah>] (draft) bm1
|
| o 12 - b568edbee6e0 r8 [debugbuilddag] (draft)
| |
o | 4 - bebd167eb94d r4 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
$ hg fold --from 'desc("r4")' -U
2 changesets folded
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg log -G
@ 15 - 91880abed0f2 r4 [test] (draft) bm1
|
| o 12 - b568edbee6e0 r8 [debugbuilddag] (draft)
|/
o 3 - 2dc09a01254d r3 [debugbuilddag] (draft)
|
o 2 - 01241442b3c2 r2 [debugbuilddag] (draft)
|
o 1 - 66f7d451a68b r1 [debugbuilddag] (draft)
|
o 0 - 1ea73414a91b r0 [debugbuilddag] (public)
Test order of proposed commit message
$ hg fold --exact --hidden -r 4 -r 5 -r 6 \
> --config experimental.evolution.allowdivergence=yes
2 new content-divergent changesets
3 changesets folded
$ hg log -r tip -T '{desc}'
r4
r5
r6 (no-eol)
$ hg fold --exact --hidden -r 6 -r 4 -r 5 \
> --config experimental.evolution.allowdivergence=yes
3 changesets folded
$ hg log -r tip -T '{desc}'
r4
r5
r6 (no-eol)
$ cd ..
One merge commit
$ hg init fold-a-merge
$ cd fold-a-merge
$ mkcommit zebra
$ hg up null
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ mkcommit apple
$ mkcommit banana
$ hg merge
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci -m merge
$ mkcommit coconut
$ hg glf
@ 4: coconut (coconut)
|
o 3: merge ()
|\
| o 2: banana (banana)
| |
| o 1: apple (apple)
|
o 0: zebra (zebra)
now we merge some of the fruits
$ hg fold --exact -r 'desc("banana")::desc("coconut")' -m 'banana+coconut in a merge with zebra'
3 changesets folded
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg glf
@ 5: banana+coconut in a merge with zebra (banana coconut)
|\
| o 1: apple (apple)
|
o 0: zebra (zebra)
let's go even further: zebra becomes a parent of the squashed fruit commit
$ hg fold --from -r 'desc("apple")' -m 'apple+banana+coconut is a child of zebra'
2 changesets folded
0 files updated, 0 files merged, 0 files removed, 0 files unresolved
$ hg glf
@ 6: apple+banana+coconut is a child of zebra (apple banana coconut)
|
o 0: zebra (zebra)
make sure zebra exists at tip and has expected contents
$ hg cat -r tip zebra
zebra
$ cd ..
Multiple merge commits
$ hg init fold-many-merges
$ cd fold-many-merges
$ hg debugbuilddag '+3 *3 /3 /4 /4'
$ hg glog
o 6: r6
|\
| o 5: r5
| |\
| | o 4: r4
| |/|
| | o 3: r3
| | |
o | | 2: r2
|/ /
o / 1: r1
|/
o 0: r0
cannot fold 5 and 6 because they have 3 external parents in total: 1, 2, 4
$ hg fold --exact -r 5:6 -m r5+r6
abort: cannot fold revisions that merge with more than one external changeset (not in revisions)
[255]
now many of the parents are included in the revisions to fold, only 0 and 3 are external
$ hg fold --exact -r 1+2+4+5+6 -m r1+r2+r4+r5+r6
5 changesets folded
$ hg glog
o 7: r1+r2+r4+r5+r6
|\
| o 3: r3
|/
o 0: r0
$ cd ..
Fold should respect experimental.evolution.allowdivergence option
https://bz.mercurial-scm.org/show_bug.cgi?id=5817
$ hg init issue5817
$ cd issue5817
$ echo A > foo
$ hg ci -qAm A
$ echo B > foo
$ hg ci -m B
$ echo C > foo
$ hg ci -m C
$ hg fold --exact -r 'desc("A")::desc("B")' -m 'first fold'
1 new orphan changesets
2 changesets folded
fold aborts here because divergence is not allowed
$ hg fold --exact -r 'desc("A")::desc("B")' -m 'second fold' \
> --config experimental.evolution.allowdivergence=no
abort: fold of 4b34ecfb0d56 creates content-divergence with fcfd42a7fa46
(add --verbose for details or see 'hg help evolution.instability')
[255]
but if we allow divergence, this should work and should create new content-divergent changesets
$ hg fold --exact -r 'desc("A")::desc("B")' -m 'second fold' \
> --config experimental.evolution.allowdivergence=yes
2 new content-divergent changesets
2 changesets folded
$ cd ..