scmutil: split platform-specific bits into their own modules
This parallels what's done for the util module, which imports either
mercurial.posix or mercurial.windows as 'platform' and then slurps the
appropriate functions into its own namespace.
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
$ 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
revision 1
=======
revision 2
>>>>>>> other
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"' > "$HGTMP/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="$HGTMP/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 internal:local:
$ beforemerge
[merge-tools]
false.whatever=
true.priority=1
true.executable=cat
# hg update -C 1
$ hg merge -r 2 --config ui.merge=internal: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
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
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 4" > '"; exit 1; echo "'
$ hg commit -Am "revision 4"
adding "; exit 1; echo "
warning: filename contains '"', which is reserved on Windows: '"; exit 1; echo "'
$ hg update -C 1 > /dev/null
$ 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 "'
created new head
$ hg merge --config merge-tools.true.executable="true" -r 4
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