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DiffMerge is a non-free (but gratis) tool that supports OS X, Windows and Linux.
See http://www.sourcegear.com/diffmerge/
DiffMerge includes a script `/usr/bin/diffmerge` that can be used to launch the
graphical compare tool.
This change adds mergetool support for DiffMerge and adds 'diffmerge' as an
option to the mergetool help.
Signed-off-by: Stefan Saasen <ssaasen@atlassian.com>
Acked-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
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* maint:
Git 1.8.2.3
t5004: avoid using tar for checking emptiness of archive
t5004: ignore pax global header file
mergetools/kdiff3: do not use --auto when diffing
transport-helper: trivial style cleanup
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The `kdiff3 --auto` help message is, "No GUI if all conflicts are auto-
solvable." This flag was carried over from the original mergetool
commands. diff_cmd() is for two-way comparisons only so remove the
superfluous flag.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Originally, with no base, Git gave P4Merge $LOCAL as a dummy base:
p4merge "$LOCAL" "$LOCAL" "$REMOTE" "$MERGED"
Commit 0a0ec7bd changed this to:
p4merge "empty file" "$LOCAL" "$REMOTE" "$MERGED"
to avoid the problem of being unable to save in some circumstances with
similar inputs.
Unfortunately this approach produces much worse results on differing
inputs. P4Merge really regards the blank file as the base, and once you
have just a couple of differences between the two branches you end up
with one a massive full-file conflict. The 3-way diff is not readable,
and you have to invoke "difftool MERGE_HEAD HEAD" manually to get a
useful view.
The original approach appears to have invoked special 2-way merge
behaviour in P4Merge that occurs only if the base filename is "" or
equal to the left input. You get a good visual comparison, and it does
not auto-resolve differences. (Normally if one branch matched the base,
it would autoresolve to the other branch).
But there appears to be no way of getting this 2-way behaviour and being
able to reliably save. Having base==left appears to be triggering other
assumptions. There are tricks the user can use to force the save icon
on, but it's not intuitive.
So we now follow a suggestion given in the original patch's discussion:
generate a virtual base, consisting of the lines common to the two
branches. This is the same as the technique used in resolve and octopus
merges, so we relocate that code to a shared function.
Note that if there are no differences at the same location, this
technique can lead to automatic resolution without conflict, combining
everything from the 2 files. As with the other merges using this
technique, we assume the user will inspect the result before saving.
Signed-off-by: Kevin Bracey <kevin@bracey.fi>
Reviewed-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Reverse LOCAL and REMOTE when invoking P4Merge as a mergetool, so that
the incoming branch is now in the left-hand, blue triangle pane, and the
current branch is in the right-hand, green circle pane.
This change makes use of P4Merge consistent with its built-in help, its
reference documentation, and Perforce itself. But most importantly, it
makes merge results clearer. P4Merge is not totally symmetrical between
left and right; despite changing a few text labels from "theirs/ours" to
"left/right" when invoked manually, it still retains its original
Perforce "theirs/ours" viewpoint.
Most obviously, in the result pane P4Merge shows changes that are common
to both branches in green. This is on the basis of the current branch
being green, as it is when invoked from Perforce; it means that lines in
the result are blue if and only if they are being changed by the merge,
making the resulting diff clearer.
Note that P4Merge now shows "ours" on the right for both diff and merge,
unlike other diff/mergetools, which always have REMOTE on the right.
But observe that REMOTE is the working tree (ie "ours") for a diff,
while it's another branch (ie "theirs") for a merge.
Ours and theirs are reversed for a rebase - see "git help rebase".
However, this does produce the desired "show the results of this commit"
effect in P4Merge - changes that remain in the rebased commit (in your
branch, but not in the new base) appear in blue; changes that do not
appear in the rebased commit (from the new base, or common to both) are
in green. If Perforce had rebase, they'd probably not swap ours/theirs,
but make P4Merge show common changes in blue, picking out our changes in
green. We can't do that, so this is next best.
Signed-off-by: Kevin Bracey <kevin@bracey.fi>
Reviewed-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* da/p4merge-mktemp-fix:
p4merge: fix printf usage
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Do not use a random string as if it is a format string for printf
when showing it literally; instead feed it to '%s' format.
Reported-by: Asheesh Laroia <asheesh@asheesh.org>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Update mergetools to work better with newer merge helper tortoise ships.
* ss/mergetools-tortoise:
mergetools: teach tortoisemerge to handle filenames with SP correctly
mergetools: support TortoiseGitMerge
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Cleans up mergetool/difftool combo.
* jk/mergetool:
mergetools: simplify how we handle "vim" and "defaults"
mergetool--lib: don't call "exit" in setup_tool
mergetool--lib: improve show_tool_help() output
mergetools/vim: remove redundant diff command
git-difftool: use git-mergetool--lib for "--tool-help"
git-mergetool: don't hardcode 'mergetool' in show_tool_help
git-mergetool: remove redundant assignment
git-mergetool: move show_tool_help to mergetool--lib
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TortoiseGitMerge, unlike TortoiseMerge, can be told to handle paths
with spaces in them by using -option "$FILE" (not -option:"$FILE",
which does not work for such paths) syntax.
This change was necessary because of MSYS path mangling [1], the ":"
after the "base" etc. arguments to TortoiseMerge caused the whole
argument instead of just the file name to be quoted in case of file
names with spaces. So TortoiseMerge was passed
"-base:new file.txt"
instead of
-base:"new file.txt"
(including the quotes). To work around this, TortoiseGitMerge does not
require the ":" after the arguments anymore which fixes handling file
names with spaces [2] (as written above).
[1] http://www.mingw.org/wiki/Posix_path_conversion
[2] https://github.com/msysgit/msysgit/issues/57
Signed-off-by: Sven Strickroth <email@cs-ware.de>
Reported-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Remove the exceptions for "vim" and "defaults" in the mergetool library
so that every filename in mergetools/ matches 1:1 with the name of a
valid built-in tool.
Define the trivial fallback definition of shell functions in-line in
git-mergetool-lib script, instead of dot-sourcing them from another
file. The result is much easier to follow.
[jc: squashed in an update from John Keeping as well]
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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vimdiff and vimdiff2 differ only by their merge command so remove the
logic in the diff command since it's not actually needed.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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TortoiseMerge.exe was ben renamed to TortoiseGitMerge.exe (starting
with 1.8.0) in order to make it clear that it has special support
for git, and prevent confusion with the TortoiseSVN TortoiseMerge
version.
Signed-off-by: Sven Strickroth <email@cs-ware.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Use $TMPDIR when creating the /dev/null placeholder for p4merge.
This prevents users from finding a seemingly random untracked file
in their worktree.
This is different than what mergetool does with $LOCAL and
$REMOTE because those files exist to aid users when resolving
merges. p4merge's /dev/null placeholder is not helpful in that
situation so it is sensible to keep it out of the worktree.
Reported-by: Jeremy Morton <admin@game-point.net>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* da/mergetools-p4:
mergetools/p4merge: Handle "/dev/null"
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p4merge does not properly handle the case where "/dev/null"
is passed as a filename.
Work it around by creating a temporary file for this purpose.
Reported-by: Jeremy Morton <admin@game-point.net>
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
---
Needs to be amended with Tested-by when a report comes...
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The actual external command to run for mergetool backend can be
specified with difftool/mergetool.$name.cmd configuration
variables, but this mechanism was ignored for the backends we
natively support.
* da/mergetool-custom:
mergetool--lib: Allow custom commands to override built-ins
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Allow users to override the default commands provided by the
mergetools/* scriptlets.
Users occasionally run into problems where they expect to be
able to override the built-in tool names. The documentation
does not explicitly mention that built-ins cannot be overridden,
so it's easy to assume that it should work.
Lift this restriction so that built-in tools are handled the
same way as user-configured tools. Add tests to guarantee this
behavior.
A nice benefit of this change is that it protects users from
having future versions of git trump their custom configuration
with a new built-in tool.
C.f.:
http://stackoverflow.com/questions/7435002/mergetool-from-gitconfig-being-ignored
http://thread.gmane.org/gmane.comp.version-control.msysgit/13188
http://thread.gmane.org/gmane.comp.version-control.git/148267
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Code Compare is a commercial file comparison tool for Windows, see
http://www.devart.com/codecompare/
Version 2.80.4 added support for command line arguments preceded by a
dash instead of a slash. This is required for Git for Windows because
slashes in command line arguments get mangled with according to these
rules:
http://www.mingw.org/wiki/Posix_path_conversion
Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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DeltaWalker is a non-free tool popular among some users. Add a
plug-in to support it from difftool and mergetool.
Note that the $(pwd)/ in front of $MERGED should not be necessary.
However without it, DeltaWalker crashes with a JRE exception.
Signed-off-by: Tim Henigan <tim.henigan@gmail.com>
Helped-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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* jn/ancient-meld-support:
mergetools/meld: Use --help output to detect --output support
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In v1.7.7-rc0~3^2 (2011-08-19), git mergetool's "meld" support learned
to use the --output option when calling versions of meld that are
detected to support it (1.5.0 and newer, hopefully).
Alas, it misdetects old versions (before 1.1.5, 2006-06-11) of meld as
supporting the option, so on systems with such meld, instead of
getting a nice merge helper, the operator gets a dialog box with the
text "Wrong number of arguments (Got 5)". (Version 1.1.5 is when meld
switched to using optparse. One consequence of that change was that
errors in usage are detected and signalled through the exit status
even when --help was passed.)
Luckily there is a simpler check that is more reliable: the usage
string printed by "meld --help" reliably reflects whether --output is
supported in a given version. Use it.
Reported-by: Jeff Epler <jepler@unpythonic.net>
Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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On Windows the bcompare tool launches a graphical program and does
not wait for it to terminate. A separate 'bcomp' tool is provided which
will wait for the view to exit so we use this instead.
Reported-by: Werner BEROUX <werner@beroux.com>
Signed-off-by: Pat Thoyts <patthoyts@users.sourceforge.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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meld 1.5.0 and newer allow the output file to be specified
when merging multiple files. Check whether the meld command
supports '--output' and use it when available.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Individual merge tools are now defined in a mergetools/$tool
file which is sourced at runtime.
The individual files are installed into $(git --exec-path)/mergetools/.
New tools can be added by creating a new file instead of editing the
git-mergetool--lib.sh scriptlet.
http://thread.gmane.org/gmane.comp.version-control.git/134906/focus=135006
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Stefan Saasen
Junio C Hamano
David Aguilar
Kevin Bracey
Sven Strickroth
Jeff King
Sebastian Schuberth
Tim Henigan
Jonathan Nieder
Pat Thoyts