mirror of
https://github.com/facebook/sapling.git
synced 2024-10-07 23:38:50 +03:00
51754ba82b
To detect change of a file without redundant comparison of file content, dirstate recognizes a file as certainly clean, if: (1) it is already known as "normal", (2) dirstate entry for it has valid (= not "-1") timestamp, and (3) mode, size and timestamp of it on the filesystem are as same as ones expected in dirstate This works as expected in many cases, but doesn't in the corner case that changing a file keeps mode, size and timestamp of it on the filesystem. The timetable below shows steps in one of typical such situations: ---- ----------------------------------- ---------------- timestamp of "f" ---------------- dirstate file- time action mem file system ---- ----------------------------------- ---- ----- ----- N -1 *** - make file "f" clean N - execute 'hg foobar' - instantiate 'dirstate' -1 -1 - 'dirstate.normal("f")' N -1 (e.g. via dirty check) - change "f", but keep size N N+1 - release wlock - 'dirstate.write()' N N - 'hg status' shows "f" as "clean" N N N ---- ----------------------------------- ---- ----- ----- The most important point is that 'dirstate.write()' is executed at N+1 or later. This causes writing dirstate timestamp N of "f" out successfully. If it is executed at N, 'parsers.pack_dirstate()' replaces timestamp N with "-1" before actual writing dirstate out. Occasional test failure for unexpected file status is typical example of this corner case. Batch execution with small working directory is finished in no time, and rarely satisfies condition (2) above. This issue can occur in cases below; - 'hg revert --rev REV' for revisions other than the parent - failure of 'merge.update()' before 'merge.recordupdates()' The root cause of this issue is that files are changed without flushing in-memory dirstate changes via 'repo.commit()' (even though omitting 'dirstate.normallookup()' on changed files also causes this issue). To detect changes of files correctly, this patch writes in-memory dirstate changes out explicitly after marking files as clean in 'workingctx._checklookup()', which is invoked via 'repo.status()'. After this change, timetable is changed as below: ---- ----------------------------------- ---------------- timestamp of "f" ---------------- dirstate file- time action mem file system ---- ----------------------------------- ---- ----- ----- N -1 *** - make file "f" clean N - execute 'hg foobar' - instantiate 'dirstate' -1 -1 - 'dirstate.normal("f")' N -1 (e.g. via dirty check) ----------------------------------- ---- ----- ----- - 'dirsttate.write()' -1 -1 ----------------------------------- ---- ----- ----- - change "f", but keep size N N+1 - release wlock - 'dirstate.write()' -1 -1 - 'hg status' -1 -1 N ---- ----------------------------------- ---- ----- ----- To reproduce this issue in tests certainly, this patch emulates some timing critical actions as below: - timestamp of "f" in '.hg/dirstate' is -1 at the beginning 'hg debugrebuildstate' before command invocation ensures it. - make file "f" clean at N - change "f" at N 'touch -t 200001010000' before and after command invocation changes mtime of "f" to "2000-01-01 00:00" (= N). - invoke 'dirstate.write()' via 'repo.status()' at N 'fakedirstatewritetime.py' forces 'pack_dirstate()' to use "2000-01-01 00:00" as "now", only if 'pack_dirstate()' is invoked via 'workingctx._checklookup()'. - invoke 'dirstate.write()' via releasing wlock at N+1 (or "not at N") 'pack_dirstate()' via releasing wlock uses actual timestamp at runtime as "now", and it should be different from the "2000-01-01 00:00" of "f". BTW, this patch also changes 'test-largefiles-misc.t', because adding 'dirstate.write()' makes recent dirstate changes visible to external process.
1031 lines
22 KiB
Perl
1031 lines
22 KiB
Perl
test merge-tools configuration - mostly exercising filemerge.py
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$ unset HGMERGE # make sure HGMERGE doesn't interfere with the test
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$ hg init
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revision 0
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$ echo "revision 0" > f
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$ echo "space" >> f
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$ hg commit -Am "revision 0"
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adding f
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revision 1
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$ echo "revision 1" > f
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$ echo "space" >> f
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$ hg commit -Am "revision 1"
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$ hg update 0 > /dev/null
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revision 2
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$ echo "revision 2" > f
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$ echo "space" >> f
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$ hg commit -Am "revision 2"
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created new head
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$ hg update 0 > /dev/null
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revision 3 - simple to merge
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$ echo "revision 3" >> f
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$ hg commit -Am "revision 3"
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created new head
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revision 4 - hard to merge
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$ hg update 0 > /dev/null
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$ echo "revision 4" > f
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$ hg commit -Am "revision 4"
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created new head
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$ echo "[merge-tools]" > .hg/hgrc
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$ beforemerge() {
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> cat .hg/hgrc
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> echo "# hg update -C 1"
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> hg update -C 1 > /dev/null
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> }
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$ aftermerge() {
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> echo "# cat f"
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> cat f
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> echo "# hg stat"
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> hg stat
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> rm -f f.orig
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> }
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Tool selection
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default is internal merge:
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$ beforemerge
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[merge-tools]
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# hg update -C 1
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hg merge -r 2
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override $PATH to ensure hgmerge not visible; use $PYTHON in case we're
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running from a devel copy, not a temp installation
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$ PATH="$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
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merging f
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warning: conflicts during merge.
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merging f incomplete! (edit conflicts, then use 'hg resolve --mark')
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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<<<<<<< local: ef83787e2614 - test: revision 1
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revision 1
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=======
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revision 2
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>>>>>>> other: 0185f4e0cf02 - test: revision 2
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space
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# hg stat
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M f
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? f.orig
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simplest hgrc using false for merge:
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$ echo "false.whatever=" >> .hg/hgrc
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$ beforemerge
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[merge-tools]
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false.whatever=
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# hg update -C 1
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$ hg merge -r 2
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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#if unix-permissions
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unexecutable file in $PATH shouldn't be found:
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$ echo "echo fail" > false
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$ hg up -qC 1
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$ PATH="`pwd`:$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
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merging f
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warning: conflicts during merge.
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merging f incomplete! (edit conflicts, then use 'hg resolve --mark')
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ rm false
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#endif
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executable directory in $PATH shouldn't be found:
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$ mkdir false
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$ hg up -qC 1
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$ PATH="`pwd`:$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
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merging f
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warning: conflicts during merge.
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merging f incomplete! (edit conflicts, then use 'hg resolve --mark')
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ rmdir false
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true with higher .priority gets precedence:
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$ echo "true.priority=1" >> .hg/hgrc
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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# hg update -C 1
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$ hg merge -r 2
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merging f
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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unless lowered on command line:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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# hg update -C 1
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$ hg merge -r 2 --config merge-tools.true.priority=-7
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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or false set higher on command line:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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# hg update -C 1
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$ hg merge -r 2 --config merge-tools.false.priority=117
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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or true.executable not found in PATH:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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# hg update -C 1
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$ hg merge -r 2 --config merge-tools.true.executable=nonexistentmergetool
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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or true.executable with bogus path:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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# hg update -C 1
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$ hg merge -r 2 --config merge-tools.true.executable=/nonexistent/mergetool
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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but true.executable set to cat found in PATH works:
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$ echo "true.executable=cat" >> .hg/hgrc
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2
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merging f
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revision 1
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space
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revision 0
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space
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revision 2
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space
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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and true.executable set to cat with path works:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config merge-tools.true.executable=cat
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merging f
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revision 1
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space
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revision 0
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space
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revision 2
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space
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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#if unix-permissions
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environment variables in true.executable are handled:
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$ echo 'echo "custom merge tool"' > .hg/merge.sh
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg --config merge-tools.true.executable='sh' \
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> --config merge-tools.true.args=.hg/merge.sh \
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> merge -r 2
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merging f
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custom merge tool
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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#endif
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Tool selection and merge-patterns
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merge-patterns specifies new tool false:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config merge-patterns.f=false
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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merge-patterns specifies executable not found in PATH and gets warning:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=nonexistentmergetool
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couldn't find merge tool true specified for f
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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merge-patterns specifies executable with bogus path and gets warning:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=/nonexistent/mergetool
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couldn't find merge tool true specified for f
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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ui.merge overrules priority
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ui.merge specifies false:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=false
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merging f
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merging f failed!
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.orig
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ui.merge specifies internal:fail:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=internal:fail
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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ui.merge specifies :local (without internal prefix):
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=:local
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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ui.merge specifies internal:other:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=internal:other
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 2
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space
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# hg stat
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M f
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ui.merge specifies internal:prompt:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=internal:prompt
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no tool found to merge f
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keep (l)ocal or take (o)ther? l
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0 files updated, 1 files merged, 0 files removed, 0 files unresolved
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(branch merge, don't forget to commit)
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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ui.merge specifies internal:dump:
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$ beforemerge
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[merge-tools]
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false.whatever=
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true.priority=1
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true.executable=cat
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# hg update -C 1
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$ hg merge -r 2 --config ui.merge=internal:dump
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merging f
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0 files updated, 0 files merged, 0 files removed, 1 files unresolved
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use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
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[1]
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$ aftermerge
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# cat f
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revision 1
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space
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# hg stat
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M f
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? f.base
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? f.local
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? f.orig
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? f.other
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f.base:
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$ cat f.base
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revision 0
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space
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f.local:
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$ cat f.local
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revision 1
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space
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f.other:
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$ cat f.other
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revision 2
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space
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$ rm f.base f.local f.other
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ui.merge specifies internal:other but is overruled by pattern for false:
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|
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$ beforemerge
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[merge-tools]
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false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config ui.merge=internal:other --config merge-patterns.f=false
|
|
merging f
|
|
merging f failed!
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
|
|
[1]
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
? f.orig
|
|
|
|
Premerge
|
|
|
|
ui.merge specifies internal:other but is overruled by --tool=false
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config ui.merge=internal:other --tool=false
|
|
merging f
|
|
merging f failed!
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
|
|
[1]
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
? f.orig
|
|
|
|
HGMERGE specifies internal:other but is overruled by --tool=false
|
|
|
|
$ HGMERGE=internal:other ; export HGMERGE
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --tool=false
|
|
merging f
|
|
merging f failed!
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
|
|
[1]
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
? f.orig
|
|
|
|
$ unset HGMERGE # make sure HGMERGE doesn't interfere with remaining tests
|
|
|
|
update is a merge ...
|
|
|
|
(this also tests that files reverted with '--rev REV' are treated as
|
|
"modified", even if none of mode, size and timestamp of them isn't
|
|
changed on the filesystem (see also issue4583))
|
|
|
|
$ cat >> $HGRCPATH <<EOF
|
|
> [fakedirstatewritetime]
|
|
> # emulate invoking dirstate.write() via repo.status()
|
|
> # at 2000-01-01 00:00
|
|
> fakenow = 200001010000
|
|
> EOF
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg update -q 0
|
|
$ f -s f
|
|
f: size=17
|
|
$ touch -t 200001010000 f
|
|
$ hg debugrebuildstate
|
|
$ cat >> $HGRCPATH <<EOF
|
|
> [extensions]
|
|
> fakedirstatewritetime = $TESTDIR/fakedirstatewritetime.py
|
|
> EOF
|
|
$ hg revert -q -r 1 .
|
|
$ cat >> $HGRCPATH <<EOF
|
|
> [extensions]
|
|
> fakedirstatewritetime = !
|
|
> EOF
|
|
$ f -s f
|
|
f: size=17
|
|
$ touch -t 200001010000 f
|
|
$ hg status f
|
|
M f
|
|
$ hg update -r 2
|
|
merging f
|
|
revision 1
|
|
space
|
|
revision 0
|
|
space
|
|
revision 2
|
|
space
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
|
|
update should also have --tool
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg update -q 0
|
|
$ f -s f
|
|
f: size=17
|
|
$ touch -t 200001010000 f
|
|
$ hg debugrebuildstate
|
|
$ cat >> $HGRCPATH <<EOF
|
|
> [extensions]
|
|
> fakedirstatewritetime = $TESTDIR/fakedirstatewritetime.py
|
|
> EOF
|
|
$ hg revert -q -r 1 .
|
|
$ cat >> $HGRCPATH <<EOF
|
|
> [extensions]
|
|
> fakedirstatewritetime = !
|
|
> EOF
|
|
$ f -s f
|
|
f: size=17
|
|
$ touch -t 200001010000 f
|
|
$ hg status f
|
|
M f
|
|
$ hg update -r 2 --tool false
|
|
merging f
|
|
merging f failed!
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges
|
|
[1]
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
? f.orig
|
|
|
|
Default is silent simplemerge:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 3
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
revision 3
|
|
# hg stat
|
|
M f
|
|
|
|
.premerge=True is same:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 3 --config merge-tools.true.premerge=True
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
revision 3
|
|
# hg stat
|
|
M f
|
|
|
|
.premerge=False executes merge-tool:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 3 --config merge-tools.true.premerge=False
|
|
merging f
|
|
revision 1
|
|
space
|
|
revision 0
|
|
space
|
|
revision 0
|
|
space
|
|
revision 3
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
|
|
premerge=keep keeps conflict markers in:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 4 --config merge-tools.true.premerge=keep
|
|
merging f
|
|
<<<<<<< local: ef83787e2614 - test: revision 1
|
|
revision 1
|
|
space
|
|
=======
|
|
revision 4
|
|
>>>>>>> other: 81448d39c9a0 - test: revision 4
|
|
revision 0
|
|
space
|
|
revision 4
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
<<<<<<< local: ef83787e2614 - test: revision 1
|
|
revision 1
|
|
space
|
|
=======
|
|
revision 4
|
|
>>>>>>> other: 81448d39c9a0 - test: revision 4
|
|
# hg stat
|
|
M f
|
|
|
|
premerge=keep-merge3 keeps conflict markers with base content:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 4 --config merge-tools.true.premerge=keep-merge3
|
|
merging f
|
|
<<<<<<< local: ef83787e2614 - test: revision 1
|
|
revision 1
|
|
space
|
|
||||||| base
|
|
revision 0
|
|
space
|
|
=======
|
|
revision 4
|
|
>>>>>>> other: 81448d39c9a0 - test: revision 4
|
|
revision 0
|
|
space
|
|
revision 4
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
<<<<<<< local: ef83787e2614 - test: revision 1
|
|
revision 1
|
|
space
|
|
||||||| base
|
|
revision 0
|
|
space
|
|
=======
|
|
revision 4
|
|
>>>>>>> other: 81448d39c9a0 - test: revision 4
|
|
# hg stat
|
|
M f
|
|
|
|
|
|
Tool execution
|
|
|
|
set tools.args explicit to include $base $local $other $output:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config merge-tools.true.executable=head --config merge-tools.true.args='$base $local $other $output' \
|
|
> | sed 's,==> .* <==,==> ... <==,g'
|
|
merging f
|
|
==> ... <==
|
|
revision 0
|
|
space
|
|
|
|
==> ... <==
|
|
revision 1
|
|
space
|
|
|
|
==> ... <==
|
|
revision 2
|
|
space
|
|
|
|
==> ... <==
|
|
revision 1
|
|
space
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
|
|
Merge with "echo mergeresult > $local":
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $local'
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
mergeresult
|
|
# hg stat
|
|
M f
|
|
|
|
- and $local is the file f:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > f'
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
mergeresult
|
|
# hg stat
|
|
M f
|
|
|
|
Merge with "echo mergeresult > $output" - the variable is a bit magic:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -r 2 --config merge-tools.true.executable=echo --config merge-tools.true.args='mergeresult > $output'
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ aftermerge
|
|
# cat f
|
|
mergeresult
|
|
# hg stat
|
|
M f
|
|
|
|
Merge using tool with a path that must be quoted:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ cat <<EOF > 'my merge tool'
|
|
> cat "\$1" "\$2" "\$3" > "\$4"
|
|
> EOF
|
|
$ hg --config merge-tools.true.executable='sh' \
|
|
> --config merge-tools.true.args='"./my merge tool" $base $local $other $output' \
|
|
> merge -r 2
|
|
merging f
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ rm -f 'my merge tool'
|
|
$ aftermerge
|
|
# cat f
|
|
revision 0
|
|
space
|
|
revision 1
|
|
space
|
|
revision 2
|
|
space
|
|
# hg stat
|
|
M f
|
|
|
|
Issue3581: Merging a filename that needs to be quoted
|
|
(This test doesn't work on Windows filesystems even on Linux, so check
|
|
for Unix-like permission)
|
|
|
|
#if unix-permissions
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ echo "revision 5" > '"; exit 1; echo "'
|
|
$ hg commit -Am "revision 5"
|
|
adding "; exit 1; echo "
|
|
warning: filename contains '"', which is reserved on Windows: '"; exit 1; echo "'
|
|
$ hg update -C 1 > /dev/null
|
|
$ echo "revision 6" > '"; exit 1; echo "'
|
|
$ hg commit -Am "revision 6"
|
|
adding "; exit 1; echo "
|
|
warning: filename contains '"', which is reserved on Windows: '"; exit 1; echo "'
|
|
created new head
|
|
$ hg merge --config merge-tools.true.executable="true" -r 5
|
|
merging "; exit 1; echo "
|
|
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
|
|
(branch merge, don't forget to commit)
|
|
$ hg update -C 1 > /dev/null
|
|
#endif
|
|
|
|
Merge post-processing
|
|
|
|
cat is a bad merge-tool and doesn't change:
|
|
|
|
$ beforemerge
|
|
[merge-tools]
|
|
false.whatever=
|
|
true.priority=1
|
|
true.executable=cat
|
|
# hg update -C 1
|
|
$ hg merge -y -r 2 --config merge-tools.true.checkchanged=1
|
|
merging f
|
|
revision 1
|
|
space
|
|
revision 0
|
|
space
|
|
revision 2
|
|
space
|
|
output file f appears unchanged
|
|
was merge successful (yn)? n
|
|
merging f failed!
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
|
|
[1]
|
|
$ aftermerge
|
|
# cat f
|
|
revision 1
|
|
space
|
|
# hg stat
|
|
M f
|
|
? f.orig
|
|
|
|
#if symlink
|
|
|
|
internal merge cannot handle symlinks and shouldn't try:
|
|
|
|
$ hg update -q -C 1
|
|
$ rm f
|
|
$ ln -s symlink f
|
|
$ hg commit -qm 'f is symlink'
|
|
$ hg merge -r 2 --tool internal:merge
|
|
merging f
|
|
warning: internal :merge cannot merge symlinks for f
|
|
merging f incomplete! (edit conflicts, then use 'hg resolve --mark')
|
|
0 files updated, 0 files merged, 0 files removed, 1 files unresolved
|
|
use 'hg resolve' to retry unresolved file merges or 'hg update -C .' to abandon
|
|
[1]
|
|
|
|
#endif
|