test merge-tools configuration - mostly exercising filemerge.py
$ unset HGMERGE # make sure HGMERGE doesn't interfere with the test
$ hg init
revision 0
$ echo "revision 0" > f
$ echo "space" >> f
$ hg commit -Am "revision 0"
adding f
revision 1
$ echo "revision 1" > f
$ echo "space" >> f
$ hg commit -Am "revision 1"
$ hg update 0 > /dev/null
revision 2
$ echo "revision 2" > f
$ echo "space" >> f
$ hg commit -Am "revision 2"
created new head
$ hg update 0 > /dev/null
revision 3 - simple to merge
$ echo "revision 3" >> f
$ hg commit -Am "revision 3"
created new head
revision 4 - hard to merge
$ hg update 0 > /dev/null
$ echo "revision 4" > f
$ hg commit -Am "revision 4"
created new head
$ echo "[merge-tools]" > .hg/hgrc
$ beforemerge() {
> cat .hg/hgrc
> echo "# hg update -C 1"
> hg update -C 1 > /dev/null
> }
$ aftermerge() {
> echo "# cat f"
> cat f
> echo "# hg stat"
> hg stat
> rm -f f.orig
> }
Tool selection
default is internal merge:
$ beforemerge
[merge-tools]
# hg update -C 1
hg merge -r 2
override $PATH to ensure hgmerge not visible; use $PYTHON in case we're
running from a devel copy, not a temp installation
$ PATH="$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
merging f
warning: conflicts during merge.
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]
$ aftermerge
# cat f
<<<<<<< local: ef83787e2614 - test: revision 1
revision 1
=======
revision 2
>>>>>>> other: 0185f4e0cf02 - test: revision 2
space
# hg stat
M f
? f.orig
simplest hgrc using false for merge:
$ echo "false.whatever=" >> .hg/hgrc
$ beforemerge
[merge-tools]
false.whatever=
# hg update -C 1
$ hg merge -r 2
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
unexecutable file in $PATH shouldn't be found:
$ touch false
$ hg up -qC 1
$ PATH="`pwd`:$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
merging f
warning: conflicts during merge.
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]
$ rm false
executable directory in $PATH shouldn't be found:
$ mkdir false
$ hg up -qC 1
$ PATH="`pwd`:$BINDIR" $PYTHON "$BINDIR"/hg merge -r 2
merging f
warning: conflicts during merge.
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]
$ rmdir false
true with higher .priority gets precedence:
$ echo "true.priority=1" >> .hg/hgrc
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
# hg update -C 1
$ hg merge -r 2
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
# hg stat
M f
unless lowered on command line:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
# hg update -C 1
$ hg merge -r 2 --config merge-tools.true.priority=-7
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
or false set higher on command line:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
# hg update -C 1
$ hg merge -r 2 --config merge-tools.false.priority=117
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
or true.executable not found in PATH:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
# hg update -C 1
$ hg merge -r 2 --config merge-tools.true.executable=nonexistentmergetool
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
or true.executable with bogus path:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
# hg update -C 1
$ hg merge -r 2 --config merge-tools.true.executable=/nonexistent/mergetool
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
but true.executable set to cat found in PATH works:
$ echo "true.executable=cat" >> .hg/hgrc
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -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
(branch merge, don't forget to commit)
$ aftermerge
# cat f
revision 1
space
# hg stat
M f
and true.executable set to cat with path works:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config merge-tools.true.executable=cat
merging f
revision 1
space
revision 0
space
revision 2
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
#if unix-permissions
environment variables in true.executable are handled:
$ echo 'echo "custom merge tool"' > .hg/merge.sh
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg --config merge-tools.true.executable='sh' \
> --config merge-tools.true.args=.hg/merge.sh \
> merge -r 2
merging f
custom merge tool
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
#endif
Tool selection and merge-patterns
merge-patterns specifies new tool false:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --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
merge-patterns specifies executable not found in PATH and gets warning:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=nonexistentmergetool
couldn't find merge tool true specified for f
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
merge-patterns specifies executable with bogus path and gets warning:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config merge-patterns.f=true --config merge-tools.true.executable=/nonexistent/mergetool
couldn't find merge tool true specified for f
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
ui.merge overrules priority
ui.merge specifies false:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=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
ui.merge specifies internal:fail:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=internal:fail
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
ui.merge specifies :local (without internal prefix):
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=:local
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
ui.merge specifies internal:other:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=internal:other
0 files updated, 1 files merged, 0 files removed, 0 files unresolved
(branch merge, don't forget to commit)
$ aftermerge
# cat f
revision 2
space
# hg stat
M f
ui.merge specifies internal:prompt:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=internal:prompt
no tool found to merge f
keep (l)ocal or take (o)ther? l
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
ui.merge specifies internal:dump:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=internal:dump
merging f
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.base
? f.local
? f.orig
? f.other
f.base:
$ cat f.base
revision 0
space
f.local:
$ cat f.local
revision 1
space
f.other:
$ cat f.other
revision 2
space
$ rm f.base f.local f.other
ui.merge specifies internal:other but is overruled by pattern for 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 --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 ...
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg update -q 0
$ hg revert -q -r 1 .
$ 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
$ hg revert -q -r 1 .
$ 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