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2013-12-06difftool: display the number of files in the diff queue in the promptLibravatar Zoltan Klinger1-1/+2
When --prompt option is set, git-difftool displays a prompt for each modified file to be viewed in an external diff program. At that point, it could be useful to display a counter and the total number of files in the diff queue. Below is the current difftool prompt for the first of 5 modified files: Viewing: 'diff.c' Launch 'vimdiff' [Y/n]: Consider the modified prompt: Viewing (1/5): 'diff.c' Launch 'vimdiff' [Y/n]: The current GIT_EXTERNAL_DIFF mechanism does not tell the number of paths in the diff queue nor the current counter. To make this "counter/total" info available for GIT_EXTERNAL_DIFF programs without breaking existing ones by doing the following: - Keep track of the number of paths shown so far in diff_options; - Export two new environment variables from run_external_diff() to show the total number of paths (from diff_queue_struct) and the current value of the counter (from diff_options); and - Update git-difftool--helper to use these two environment variables. Signed-off-by: Zoltan Klinger <zoltan.klinger@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2013-02-10difftool--helper: fix printf usageLibravatar David Aguilar1-1/+1
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>
2012-04-23difftool: teach difftool to handle directory diffsLibravatar Tim Henigan1-6/+13
When 'difftool' is called to compare a range of commits that modify more than one file, it opens a separate instance of the diff tool for each file that changed. The new '--dir-diff' option copies all the modified files to a temporary location and runs a directory diff on them in a single instance of the diff tool. Signed-off-by: Tim Henigan <tim.henigan@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-10-10git-difftool: allow skipping file by typing 'n' at promptLibravatar Sitaram Chamarty1-3/+6
This is useful if you forgot to restrict the diff to the paths you want to see, or selecting precisely the ones you want is too much typing. [jc: with a change to return from the function upon 'n' by Charles Bailey and a small tweak in stdin_doesnot_contain() in the test] Signed-off-by: Sitaram Chamarty <sitaram@atc.tcs.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2011-08-19difftool--helper: Make style consistent with gitLibravatar David Aguilar1-6/+12
Use the predominant conditional style where "then" appears alone on the line after the test expression. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-12-16difftool: provide basename to external toolsLibravatar Michael J Gruber1-0/+1
Currently, only configured diff helpers get the basename of the file being compared. Tools specified with "git difftool -x" only get the names of temporary files for the different versions. Export BASE so that an external tool can read the name from the environment. Rather than using a third argument, this avoids breaking existing scripts which may somewhat carelessly be using "$@" rather than "$1" "$2". Signed-off-by: Michael J Gruber <git@drmicha.warpmail.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-22Make difftool.prompt fall back to mergetool.promptLibravatar Sebastian Schuberth1-1/+2
The documentation states that "git-difftool falls back to git-mergetool config variables when the difftool equivalents have not been defined". Until now, this was not the case for "difftool.prompt". Signed-off-by: Sebastian Schuberth <sschuberth@gmail.com> Acked-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-15difftool: Update copyright notices to list each year separatelyLibravatar David Aguilar1-1/+1
This is http://www.gnu.org/licenses/gpl-howto.html advises. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-15difftool: Use eval to expand '--extcmd' expressionsLibravatar David Aguilar1-2/+1
It was not possible to pass quoted commands to '--extcmd'. By using 'eval' we ensure that expressions with spaces and quotes are supported. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-09difftool: Allow specifying unconfigured commands with --extcmdLibravatar David Aguilar1-7/+23
git-difftool requires difftool.<tool>.cmd configuration even when tools use the standard "$diffcmd $from $to" form. This teaches git-difftool to run these tools in lieu of configuration by allowing the command to be specified on the command line. Reference: http://article.gmane.org/gmane.comp.version-control.git/133377 Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-09difftool--helper: Remove use of the GIT_MERGE_TOOL variableLibravatar David Aguilar1-5/+4
An undocumented mis-feature in git-difftool is that it allows you to specify a default difftool by setting GIT_MERGE_TOOL. This behavior was never documented and was included as an oversight back when git-difftool was maintained outside of git. git-mergetool never honored GIT_MERGE_TOOL so neither should git-difftool. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2010-01-09difftool--helper: Update copyright and remove distracting commentsLibravatar David Aguilar1-4/+1
Some of the comments in git-difftool--helper are not needed because the code is sufficiently readable without them. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-12mergetool--lib: simplify API usage by removing more global variablesLibravatar David Aguilar1-3/+3
The mergetool--lib scriplet was tricky to use because it relied upon the existance of several global shell variables. This removes more global variables so that things are simpler for callers. A side effect is that some variables are recomputed each time run_merge_tool() is called, but the overhead for recomputing them is justified by the simpler implementation. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-08difftool/mergetool: refactor commands to use git-mergetool--libLibravatar David Aguilar1-177/+9
This consolidates the common functionality from git-mergetool and git-difftool--helper into a single git-mergetool--lib scriptlet. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-07difftool: add support for a difftool.prompt config variableLibravatar David Aguilar1-2/+8
difftool now supports difftool.prompt so that users do not have to pass --no-prompt or hit enter each time a diff tool is launched. The --prompt flag overrides the configuration variable. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
2009-04-07difftool: move 'git-difftool' out of contribLibravatar David Aguilar1-0/+221
This prepares 'git-difftool' and its documentation for mainstream use. 'git-difftool-helper' became 'git-difftool--helper' since users should not use it directly. 'git-difftool' was added to the list of commands as an ancillaryinterrogator. Signed-off-by: David Aguilar <davvid@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
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