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This is another consistency cleanup to make git-difftool's options
match git-mergetool.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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I don't even know what $COMSPEC means so let's be safe and use the
same perly $^O test add--interactive uses. While we're at it, make
git-difftool match the prevalent git-perl style.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Most users find the backup file feature annoying and there's no
need for it since diff is supposed to be a read-only operation.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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We shouldn't try to merge files when using difftool, so remove
any merge-specific options.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Under Windows vimdiff and gvimdiff are not available as symbolic links,
but as batch files vimdiff.bat and gvimdiff.bat. These files weren't
found by 'type vimdiff' which led to the following error:
The merge tool vimdiff is not available as 'vimdiff'
Even if they were found, it wouldn't work to invoke these batch files
from git-mergetool.
To solve this, use vim and gvim (vim.exe and gvim.exe) and pass the -d
command line switch over to them.
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Some users have different mergetool and difftool settings, so teach
difftool to read config vars from the difftool.* namespace. This allows
having distinct configurations for the diff and merge scenarios.
We don't want to force existing users to set new values for no reason
so difftool falls back to existing mergetool config variables when the
difftool equivalents are not defined.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git difftool listed some candidates for mergetools twice, depending on
the environment.
This slightly changes the behavior when both KDE_FULL_SESSION and
GNOME_DESKTOP_SESSION_ID are set at the same time; in such a case
meld is used in favor of kdiff3 (the old code favored kdiff3 in such a
case), but it should not matter in practice.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Acked-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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When interrupting git-difftool with Ctrl-C, the output of this echo
command led to having the cursor at the beginning of the line below the
shell prompt.
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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git-difftool worked for me on an up-to-date Gentoo Linux at home, but
didn't work on a somewhat older Ubuntu Linux 7.10 at work and failed
with the following error, where 'Makefile' was locally modified:
trap: 244: SIGINT: bad trap
external diff died, stopping at Makefile.
In 'man 1p trap' there is written:
"The condition can be EXIT, 0 (equivalent to EXIT), or a signal
specified using a symbolic name, without the SIG prefix, [...]"
"Implementations may permit names with the SIG prefix or ignore case
in signal names as an extension."
So now we do it the POSIX compliant way instead of using an extension.
Signed-off-by: Markus Heidelberg <markus.heidelberg@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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You only need to edit worktree files when comparing against
the worktree. Put the cursor automatically into its window for
vimdiff and gvimdiff to avoid doing <C-w>l every time.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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This patch makes the difftool docs always refer to the
git-difftool script using the dashed form of the name.
Only command examples use the non-dashed form now.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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'git difftool' is a git command that allows you to compare and edit files
between revisions using common merge tools. 'git difftool' does what
'git mergetool' does but its use is for non-merge situations such as
when preparing commits or comparing changes against the index.
It uses the same configuration variables as 'git mergetool' and
provides the same command-line interface as 'git diff'.
Signed-off-by: David Aguilar <davvid@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
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