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Diffstat (limited to 'Documentation/git-difftool.txt')
| -rw-r--r-- | Documentation/git-difftool.txt | 54 |
1 files changed, 32 insertions, 22 deletions
diff --git a/Documentation/git-difftool.txt b/Documentation/git-difftool.txt index 8e9aed67d7..a03515f1ec 100644 --- a/Documentation/git-difftool.txt +++ b/Documentation/git-difftool.txt @@ -7,13 +7,15 @@ git-difftool - Show changes using common diff tools SYNOPSIS -------- -'git difftool' [--tool=<tool>] [-y|--no-prompt|--prompt] [<'git diff' options>] +[verse] +'git difftool' [<options>] [<commit> [<commit>]] [--] [<path>...] DESCRIPTION ----------- -'git-difftool' is a git command that allows you to compare and edit files +'git difftool' is a git command that allows you to compare and edit files between revisions using common diff tools. 'git difftool' is a frontend -to 'git-diff' and accepts the same options and arguments. +to 'git diff' and accepts the same options and arguments. See +linkgit:git-diff[1]. OPTIONS ------- @@ -30,44 +32,61 @@ OPTIONS --tool=<tool>:: Use the diff tool specified by <tool>. Valid merge tools are: - kdiff3, kompare, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff, - ecmerge, diffuse, opendiff, p4merge and araxis. + araxis, bc3, diffuse, emerge, ecmerge, gvimdiff, kdiff3, + kompare, meld, opendiff, p4merge, tkdiff, vimdiff and xxdiff. + -If a diff tool is not specified, 'git-difftool' +If a diff tool is not specified, 'git difftool' will use the configuration variable `diff.tool`. If the -configuration variable `diff.tool` is not set, 'git-difftool' +configuration variable `diff.tool` is not set, 'git difftool' will pick a suitable default. + You can explicitly provide a full path to the tool by setting the configuration variable `difftool.<tool>.path`. For example, you can configure the absolute path to kdiff3 by setting -`difftool.kdiff3.path`. Otherwise, 'git-difftool' assumes the +`difftool.kdiff3.path`. Otherwise, 'git difftool' assumes the tool is available in PATH. + Instead of running one of the known diff tools, -'git-difftool' can be customized to run an alternative program +'git difftool' can be customized to run an alternative program by specifying the command line to invoke in a configuration variable `difftool.<tool>.cmd`. + -When 'git-difftool' is invoked with this tool (either through the +When 'git difftool' is invoked with this tool (either through the `-t` or `--tool` option or the `diff.tool` configuration variable) the configured command line will be invoked with the following variables available: `$LOCAL` is set to the name of the temporary file containing the contents of the diff pre-image and `$REMOTE` is set to the name of the temporary file containing the contents -of the diff post-image. `$BASE` is provided for compatibility -with custom merge tool commands and has the same value as `$LOCAL`. +of the diff post-image. `$MERGED` is the name of the file which is +being compared. `$BASE` is provided for compatibility +with custom merge tool commands and has the same value as `$MERGED`. + +-x <command>:: +--extcmd=<command>:: + Specify a custom command for viewing diffs. + 'git-difftool' ignores the configured defaults and runs + `$command $LOCAL $REMOTE` when this option is specified. + Additionally, `$BASE` is set in the environment. + +-g:: +--gui:: + When 'git-difftool' is invoked with the `-g` or `--gui` option + the default diff tool will be read from the configured + `diff.guitool` variable instead of `diff.tool`. See linkgit:git-diff[1] for the full list of supported options. CONFIG VARIABLES ---------------- -'git-difftool' falls back to 'git-mergetool' config variables when the +'git difftool' falls back to 'git mergetool' config variables when the difftool equivalents have not been defined. diff.tool:: The default diff tool to use. +diff.guitool:: + The default diff tool to use when `--gui` is specified. + difftool.<tool>.path:: Override the path for the given tool. This is useful in case your tool is not in the PATH. @@ -91,15 +110,6 @@ linkgit:git-mergetool[1]:: linkgit:git-config[1]:: Get and set repository or global options - -AUTHOR ------- -Written by David Aguilar <davvid@gmail.com>. - -Documentation --------------- -Documentation by David Aguilar and the git-list <git@vger.kernel.org>. - GIT --- Part of the linkgit:git[1] suite |