$ hg init
Setup:
$ echo a >> a
$ hg ci -Am 'base'
adding a
Refuse to amend public csets:
$ hg phase -r . -p
$ hg ci --amend
abort: cannot amend public changesets
[255]
$ hg phase -r . -f -d
$ echo a >> a
$ hg ci -Am 'base1'
Nothing to amend:
$ hg ci --amend
nothing changed
[1]
$ cat >> $HGRCPATH <<EOF
> [hooks]
> pretxncommit.foo = sh -c "echo \\"pretxncommit \$HG_NODE\\"; hg id -r \$HG_NODE"
> EOF
Amending changeset with changes in working dir:
(and check that --message does not trigger an editor)
$ echo a >> a
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend -m 'amend base1'
pretxncommit 43f1ba15f28a50abf0aae529cf8a16bfced7b149
43f1ba15f28a tip
saved backup bundle to $TESTTMP/.hg/strip-backup/489edb5b847d-amend-backup.hg (glob)
$ echo 'pretxncommit.foo = ' >> $HGRCPATH
$ hg diff -c .
diff -r ad120869acf0 -r 43f1ba15f28a a
--- a/a Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,3 @@
a
+a
+a
$ hg log
changeset: 1:43f1ba15f28a
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: amend base1
changeset: 0:ad120869acf0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: base
Check proper abort for empty message
$ cat > editor.sh << '__EOF__'
> #!/bin/sh
> echo "" > "$1"
> __EOF__
$ echo b > b
$ hg add b
$ hg summary
parent: 1:43f1ba15f28a tip
amend base1
branch: default
commit: 1 added, 1 unknown
update: (current)
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend
transaction abort!
rollback completed
abort: empty commit message
[255]
$ hg summary
parent: 1:43f1ba15f28a tip
amend base1
branch: default
commit: 1 added, 1 unknown
update: (current)
Add new file:
$ hg ci --amend -m 'amend base1 new file'
saved backup bundle to $TESTTMP/.hg/strip-backup/43f1ba15f28a-amend-backup.hg (glob)
Remove file that was added in amended commit:
(and test logfile option)
(and test that logfile option do not trigger an editor)
$ hg rm b
$ echo 'amend base1 remove new file' > ../logfile
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg ci --amend --logfile ../logfile
saved backup bundle to $TESTTMP/.hg/strip-backup/b8e3cb2b3882-amend-backup.hg (glob)
$ hg cat b
b: no such file in rev 74609c7f506e
[1]
No changes, just a different message:
$ hg ci -v --amend -m 'no changes, new message'
amending changeset 74609c7f506e
copying changeset 74609c7f506e to ad120869acf0
a
stripping amended changeset 74609c7f506e
1 changesets found
saved backup bundle to $TESTTMP/.hg/strip-backup/74609c7f506e-amend-backup.hg (glob)
1 changesets found
adding branch
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
committed changeset 1:1cd866679df8
$ hg diff -c .
diff -r ad120869acf0 -r 1cd866679df8 a
--- a/a Thu Jan 01 00:00:00 1970 +0000
+++ b/a Thu Jan 01 00:00:00 1970 +0000
@@ -1,1 +1,3 @@
a
+a
+a
$ hg log
changeset: 1:1cd866679df8
tag: tip
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: no changes, new message
changeset: 0:ad120869acf0
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: base
Disable default date on commit so when -d isn't given, the old date is preserved:
$ echo '[defaults]' >> $HGRCPATH
$ echo 'commit=' >> $HGRCPATH
Test -u/-d:
$ hg ci --amend -u foo -d '1 0'
saved backup bundle to $TESTTMP/.hg/strip-backup/1cd866679df8-amend-backup.hg (glob)
$ echo a >> a
$ hg ci --amend -u foo -d '1 0'
saved backup bundle to $TESTTMP/.hg/strip-backup/780e6f23e03d-amend-backup.hg (glob)
$ hg log -r .
changeset: 1:5f357c7560ab
tag: tip
user: foo
date: Thu Jan 01 00:00:01 1970 +0000
summary: no changes, new message
Open editor with old commit message if a message isn't given otherwise:
$ cat > editor.sh << '__EOF__'
> #!/bin/sh
> cat $1
> echo "another precious commit message" > "$1"
> __EOF__
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend -v
amending changeset 5f357c7560ab
copying changeset 5f357c7560ab to ad120869acf0
no changes, new message
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: foo
HG: branch 'default'
HG: changed a
a
stripping amended changeset 5f357c7560ab
1 changesets found
saved backup bundle to $TESTTMP/.hg/strip-backup/5f357c7560ab-amend-backup.hg (glob)
1 changesets found
adding branch
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
committed changeset 1:7ab3bf440b54
Same, but with changes in working dir (different code path):
$ echo a >> a
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend -v
amending changeset 7ab3bf440b54
a
copying changeset a0ea9b1a4c8c to ad120869acf0
another precious commit message
HG: Enter commit message. Lines beginning with 'HG:' are removed.
HG: Leave message empty to abort commit.
HG: --
HG: user: foo
HG: branch 'default'
HG: changed a
a
stripping intermediate changeset a0ea9b1a4c8c
stripping amended changeset 7ab3bf440b54
2 changesets found
saved backup bundle to $TESTTMP/.hg/strip-backup/7ab3bf440b54-amend-backup.hg (glob)
1 changesets found
adding branch
adding changesets
adding manifests
adding file changes
added 1 changesets with 1 changes to 1 files
committed changeset 1:ea22a388757c
$ rm editor.sh
$ hg log -r .
changeset: 1:ea22a388757c
tag: tip
user: foo
date: Thu Jan 01 00:00:01 1970 +0000
summary: another precious commit message
Moving bookmarks, preserve active bookmark:
$ hg book book1
$ hg book book2
$ hg ci --amend -m 'move bookmarks'
saved backup bundle to $TESTTMP/.hg/strip-backup/ea22a388757c-amend-backup.hg (glob)
$ hg book
book1 1:6cec5aa930e2
* book2 1:6cec5aa930e2
$ echo a >> a
$ hg ci --amend -m 'move bookmarks'
saved backup bundle to $TESTTMP/.hg/strip-backup/6cec5aa930e2-amend-backup.hg (glob)
$ hg book
book1 1:48bb6e53a15f
* book2 1:48bb6e53a15f
abort does not loose bookmarks
$ cat > editor.sh << '__EOF__'
> #!/bin/sh
> echo "" > "$1"
> __EOF__
$ echo a >> a
$ HGEDITOR="\"sh\" \"`pwd`/editor.sh\"" hg commit --amend
transaction abort!
rollback completed
abort: empty commit message
[255]
$ hg book
book1 1:48bb6e53a15f
* book2 1:48bb6e53a15f
$ hg revert -Caq
$ rm editor.sh
$ echo '[defaults]' >> $HGRCPATH
$ echo "commit=-d '0 0'" >> $HGRCPATH
Moving branches:
$ hg branch foo
marked working directory as branch foo
(branches are permanent and global, did you want a bookmark?)
$ echo a >> a
$ hg ci -m 'branch foo'
$ hg branch default -f
marked working directory as branch default
(branches are permanent and global, did you want a bookmark?)
$ hg ci --amend -m 'back to default'
saved backup bundle to $TESTTMP/.hg/strip-backup/8ac881fbf49d-amend-backup.hg (glob)
$ hg branches
default 2:ce12b0b57d46
Close branch:
$ hg up -q 0
$ echo b >> b
$ hg branch foo
marked working directory as branch foo
(branches are permanent and global, did you want a bookmark?)
$ hg ci -Am 'fork'
adding b
$ echo b >> b
$ hg ci -mb
$ hg ci --amend --close-branch -m 'closing branch foo'
saved backup bundle to $TESTTMP/.hg/strip-backup/c962248fa264-amend-backup.hg (glob)
Same thing, different code path:
$ echo b >> b
$ hg ci -m 'reopen branch'
reopening closed branch head 4
$ echo b >> b
$ hg ci --amend --close-branch
saved backup bundle to $TESTTMP/.hg/strip-backup/027371728205-amend-backup.hg (glob)
$ hg branches
default 2:ce12b0b57d46
Refuse to amend merges:
$ hg up -q default
$ hg merge foo
1 files updated, 0 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ hg ci --amend
abort: cannot amend while merging
[255]
$ hg ci -m 'merge'
$ hg ci --amend
abort: cannot amend merge changesets
[255]
Follow copies/renames:
$ hg mv b c
$ hg ci -m 'b -> c'
$ hg mv c d
$ hg ci --amend -m 'b -> d'
saved backup bundle to $TESTTMP/.hg/strip-backup/b8c6eac7f12e-amend-backup.hg (glob)
$ hg st --rev '.^' --copies d
A d
b
$ hg cp d e
$ hg ci -m 'e = d'
$ hg cp e f
$ hg ci --amend -m 'f = d'
saved backup bundle to $TESTTMP/.hg/strip-backup/7f9761d65613-amend-backup.hg (glob)
$ hg st --rev '.^' --copies f
A f
d
$ mv f f.orig
$ hg rm -A f
$ hg ci -m removef
$ hg cp a f
$ mv f.orig f
$ hg ci --amend -m replacef
saved backup bundle to $TESTTMP/.hg/strip-backup/9e8c5f7e3d95-amend-backup.hg (glob)
$ hg st --change . --copies
$ hg log -r . --template "{file_copies}\n"
Move added file (issue3410):
$ echo g >> g
$ hg ci -Am g
adding g
$ hg mv g h
$ hg ci --amend
saved backup bundle to $TESTTMP/.hg/strip-backup/24aa8eacce2b-amend-backup.hg (glob)
$ hg st --change . --copies h
A h
$ hg log -r . --template "{file_copies}\n"
Can't rollback an amend:
$ hg rollback
no rollback information available
[1]
Preserve extra dict (issue3430):
$ hg branch a
marked working directory as branch a
(branches are permanent and global, did you want a bookmark?)
$ echo a >> a
$ hg ci -ma
$ hg ci --amend -m "a'"
saved backup bundle to $TESTTMP/.hg/strip-backup/3837aa2a2fdb-amend-backup.hg (glob)
$ hg log -r . --template "{branch}\n"
a
$ hg ci --amend -m "a''"
saved backup bundle to $TESTTMP/.hg/strip-backup/c05c06be7514-amend-backup.hg (glob)
$ hg log -r . --template "{branch}\n"
a
Also preserve other entries in the dict that are in the old commit,
first graft something so there's an additional entry:
$ hg up 0 -q
$ echo z > z
$ hg ci -Am 'fork'
adding z
created new head
$ hg up 11
5 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ hg graft 12
grafting revision 12
$ hg ci --amend -m 'graft amend'
saved backup bundle to $TESTTMP/.hg/strip-backup/bd010aea3f39-amend-backup.hg (glob)
$ hg log -r . --debug | grep extra
extra: amend_source=bd010aea3f39f3fb2a2f884b9ccb0471cd77398e
extra: branch=a
extra: source=2647734878ef0236dda712fae9c1651cf694ea8a
Preserve phase
$ hg phase '.^::.'
11: draft
13: draft
$ hg phase --secret --force .
$ hg phase '.^::.'
11: draft
13: secret
$ hg commit --amend -m 'amend for phase' -q
$ hg phase '.^::.'
11: draft
13: secret
Test amend with obsolete
---------------------------
Enable obsolete
$ cat > ${TESTTMP}/obs.py << EOF
> import mercurial.obsolete
> mercurial.obsolete._enabled = True
> EOF
$ echo '[extensions]' >> $HGRCPATH
$ echo "obs=${TESTTMP}/obs.py" >> $HGRCPATH
Amend with no files changes
$ hg id -n
13
$ hg ci --amend -m 'babar'
$ hg id -n
14
$ hg log -Gl 3 --style=compact
@ 14[tip]:11 b650e6ee8614 1970-01-01 00:00 +0000 test
| babar
|
| o 12:0 2647734878ef 1970-01-01 00:00 +0000 test
| | fork
| |
o | 11 3334b7925910 1970-01-01 00:00 +0000 test
| | a''
| |
$ hg log -Gl 4 --hidden --style=compact
@ 14[tip]:11 b650e6ee8614 1970-01-01 00:00 +0000 test
| babar
|
| x 13:11 68ff8ff97044 1970-01-01 00:00 +0000 test
|/ amend for phase
|
| o 12:0 2647734878ef 1970-01-01 00:00 +0000 test
| | fork
| |
o | 11 3334b7925910 1970-01-01 00:00 +0000 test
| | a''
| |
Amend with files changes
(note: the extra commit over 15 is a temporary junk I would be happy to get
ride of)
$ echo 'babar' >> a
$ hg commit --amend
$ hg log -Gl 6 --hidden --style=compact
@ 16[tip]:11 9f9e9bccf56c 1970-01-01 00:00 +0000 test
| babar
|
| x 15 90fef497c56f 1970-01-01 00:00 +0000 test
| | temporary amend commit for b650e6ee8614
| |
| x 14:11 b650e6ee8614 1970-01-01 00:00 +0000 test
|/ babar
|
| x 13:11 68ff8ff97044 1970-01-01 00:00 +0000 test
|/ amend for phase
|
| o 12:0 2647734878ef 1970-01-01 00:00 +0000 test
| | fork
| |
o | 11 3334b7925910 1970-01-01 00:00 +0000 test
| | a''
| |
Test that amend does not make it easy to create obsolescence cycle
---------------------------------------------------------------------
$ hg id -r 14 --hidden
b650e6ee8614 (a)
$ hg revert -ar 14 --hidden
reverting a
$ hg commit --amend
$ hg id
b99e5df575f7 (a) tip
Test that rewriting leaving instability behind is allowed
---------------------------------------------------------------------
$ hg up '.^'
0 files updated, 0 files merged, 1 files removed, 0 files unresolved
$ echo 'b' >> a
$ hg log --style compact -r 'children(.)'
18[tip]:11 b99e5df575f7 1970-01-01 00:00 +0000 test
babar
$ hg commit --amend
$ hg log -r 'unstable()'
changeset: 18:b99e5df575f7
branch: a
parent: 11:3334b7925910
user: test
date: Thu Jan 01 00:00:00 1970 +0000
summary: babar