1 files changed, 806 insertions, 0 deletions
diff --git a/tests/test-merge-tools.t b/tests/test-merge-tools.t
new file mode 100644
index 0000000..cee56cd
--- /dev/null
+++ b/tests/test-merge-tools.t
@@ -0,0 +1,806 @@
+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=nonexistingmergetool
+  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=/nonexisting/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=nonexistingmergetool
+  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=/nonexisting/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
+
+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