$ 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 < [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 Add new file: $ echo b > b $ hg ci --amend -Am 'amend base1 new file' adding b 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 $ 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 obsoletescence cycle --------------------------------------------------------------------- $ hg id -r 14 b650e6ee8614 (a) $ hg revert -ar 14 reverting a $ hg commit --amend $ hg id b99e5df575f7 (a) tip