merge: implement --tool arguments using new ui.forcemerge configurable
ui.forcemerge is set before calling into merge or resolve commands, then unset
to prevent ui pollution for further operations.
ui.forcemerge takes precedence over HGMERGE, but mimics HGMERGE behavior if the
given --tool is not found by the merge-tools machinery. This makes it possible
to do: hg resolve --tool="python mymerge.py" FILE
With this approach, HGMERGE and ui.merge are not harmed by --tool
--- a/mercurial/commands.py Wed Oct 20 20:19:34 2010 +0200
+++ b/mercurial/commands.py Tue Oct 19 22:33:52 2010 -0500
@@ -2586,12 +2586,6 @@
if not node:
node = opts.get('rev')
- t = opts.get('tool')
- if t:
- if 'HGMERGE' in os.environ:
- os.environ['HGMERGE'] = ''
- ui.setconfig('ui', 'merge', t)
-
if not node:
branch = repo.changectx(None).branch()
bheads = repo.branchheads(branch)
@@ -2632,7 +2626,12 @@
displayer.close()
return 0
- return hg.merge(repo, node, force=opts.get('force'))
+ try:
+ # ui.forcemerge is an internal variable, do not document
+ ui.setconfig('ui', 'forcemerge', opts.get('tool', ''))
+ return hg.merge(repo, node, force=opts.get('force'))
+ finally:
+ ui.setconfig('ui', 'forcemerge', '')
def outgoing(ui, repo, dest=None, **opts):
"""show changesets not found in the destination
@@ -2979,12 +2978,6 @@
raise util.Abort(_('no files or directories specified; '
'use --all to remerge all files'))
- t = opts.get('tool')
- if t:
- if 'HGMERGE' in os.environ:
- os.environ['HGMERGE'] = ''
- ui.setconfig('ui', 'merge', t)
-
ms = mergemod.mergestate(repo)
m = cmdutil.match(repo, pats, opts)
ret = 0
@@ -3010,9 +3003,13 @@
a = repo.wjoin(f)
util.copyfile(a, a + ".resolve")
- # resolve file
- if ms.resolve(f, wctx, mctx):
- ret = 1
+ try:
+ # resolve file
+ ui.setconfig('ui', 'forcemerge', opts.get('tool', ''))
+ if ms.resolve(f, wctx, mctx):
+ ret = 1
+ finally:
+ ui.setconfig('ui', 'forcemerge', '')
# replace filemerge's .orig file with our resolve file
util.rename(a + ".resolve", a + ".orig")
--- a/mercurial/filemerge.py Wed Oct 20 20:19:34 2010 +0200
+++ b/mercurial/filemerge.py Tue Oct 19 22:33:52 2010 -0500
@@ -54,7 +54,17 @@
return True
return False
- # HGMERGE takes precedence
+ # forcemerge comes from command line arguments, highest priority
+ force = ui.config('ui', 'forcemerge')
+ if force:
+ toolpath = _findtool(ui, force)
+ if toolpath:
+ return (force, '"' + toolpath + '"')
+ else:
+ # mimic HGMERGE if given tool not found
+ return (force, force)
+
+ # HGMERGE takes next precedence
hgmerge = os.environ.get("HGMERGE")
if hgmerge:
return (hgmerge, hgmerge)
--- a/tests/test-merge-symlinks.t Wed Oct 20 20:19:34 2010 +0200
+++ b/tests/test-merge-symlinks.t Tue Oct 19 22:33:52 2010 -0500
@@ -37,7 +37,7 @@
Merge them and display *_ISLINK vars
merge heads
- $ HGMERGE="python ../echo.py" hg merge
+ $ hg merge --tool="python ../echo.py"
HG_FILE l
HG_MY_ISLINK 1
HG_OTHER_ISLINK 0
--- a/tests/test-merge-tools.t Wed Oct 20 20:19:34 2010 +0200
+++ b/tests/test-merge-tools.t Tue Oct 19 22:33:52 2010 -0500
@@ -506,6 +506,49 @@
$ echo
+ui.merge specifies internal:other but is overruled by --tool=false
+
+ $ domerge -r 2 --config ui.merge=internal:other --tool=false
+ [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
+ # 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
+ $ domerge -r 2 --tool=false
+ [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
+ # 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:
$ domerge -r 3
--- a/tests/test-rename-merge2.t Wed Oct 20 20:19:34 2010 +0200
+++ b/tests/test-rename-merge2.t Tue Oct 19 22:33:52 2010 -0500
@@ -7,7 +7,6 @@
> f.write("merge %s %s %s" % (sys.argv[1], sys.argv[2], sys.argv[3]))
> f.close()
> EOF
- $ HGMERGE="python ../merge"; export HGMERGE
perform a test merge with possible renaming
args:
@@ -49,7 +48,7 @@
> echo "--------------"
> echo "test L:$1 R:$2 W:$3 - $4"
> echo "--------------"
- > hg merge -y --debug --traceback
+ > hg merge -y --debug --traceback --tool="python ../merge"
>
> echo "--------------"
> hg status -camC -X rev
--- a/tests/test-resolve.t Wed Oct 20 20:19:34 2010 +0200
+++ b/tests/test-resolve.t Tue Oct 19 22:33:52 2010 -0500
@@ -21,7 +21,7 @@
failing merge
- $ HGMERGE=internal:fail hg merge
+ $ hg merge --tool=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
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