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c8998b4823
Add p4merge to the set of built-in diff/merge tools, and update bash completion and documentation. Signed-off-by: Scott Chacon <schacon@gmail.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
105 lines
3 KiB
Text
105 lines
3 KiB
Text
git-difftool(1)
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===============
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NAME
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----
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git-difftool - Show changes using common diff tools
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SYNOPSIS
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--------
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'git difftool' [--tool=<tool>] [-y|--no-prompt|--prompt] [<'git diff' options>]
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DESCRIPTION
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-----------
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'git-difftool' is a git command that allows you to compare and edit files
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between revisions using common diff tools. 'git difftool' is a frontend
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to 'git-diff' and accepts the same options and arguments.
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OPTIONS
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-------
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-y::
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--no-prompt::
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Do not prompt before launching a diff tool.
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--prompt::
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Prompt before each invocation of the diff tool.
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This is the default behaviour; the option is provided to
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override any configuration settings.
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-t <tool>::
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--tool=<tool>::
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Use the diff tool specified by <tool>.
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Valid merge tools are:
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kdiff3, kompare, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff,
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ecmerge, diffuse, opendiff, p4merge and araxis.
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+
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If a diff tool is not specified, 'git-difftool'
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will use the configuration variable `diff.tool`. If the
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configuration variable `diff.tool` is not set, 'git-difftool'
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will pick a suitable default.
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+
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You can explicitly provide a full path to the tool by setting the
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configuration variable `difftool.<tool>.path`. For example, you
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can configure the absolute path to kdiff3 by setting
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`difftool.kdiff3.path`. Otherwise, 'git-difftool' assumes the
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tool is available in PATH.
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+
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Instead of running one of the known diff tools,
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'git-difftool' can be customized to run an alternative program
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by specifying the command line to invoke in a configuration
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variable `difftool.<tool>.cmd`.
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+
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When 'git-difftool' is invoked with this tool (either through the
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`-t` or `--tool` option or the `diff.tool` configuration variable)
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the configured command line will be invoked with the following
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variables available: `$LOCAL` is set to the name of the temporary
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file containing the contents of the diff pre-image and `$REMOTE`
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is set to the name of the temporary file containing the contents
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of the diff post-image. `$BASE` is provided for compatibility
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with custom merge tool commands and has the same value as `$LOCAL`.
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See linkgit:git-diff[1] for the full list of supported options.
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CONFIG VARIABLES
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----------------
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'git-difftool' falls back to 'git-mergetool' config variables when the
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difftool equivalents have not been defined.
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diff.tool::
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The default diff tool to use.
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difftool.<tool>.path::
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Override the path for the given tool. This is useful in case
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your tool is not in the PATH.
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difftool.<tool>.cmd::
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Specify the command to invoke the specified diff tool.
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+
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See the `--tool=<tool>` option above for more details.
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difftool.prompt::
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Prompt before each invocation of the diff tool.
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SEE ALSO
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--------
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linkgit:git-diff[1]::
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Show changes between commits, commit and working tree, etc
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linkgit:git-mergetool[1]::
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Run merge conflict resolution tools to resolve merge conflicts
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linkgit:git-config[1]::
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Get and set repository or global options
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AUTHOR
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------
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Written by David Aguilar <davvid@gmail.com>.
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Documentation
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--------------
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Documentation by David Aguilar and the git-list <git@vger.kernel.org>.
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GIT
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---
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Part of the linkgit:git[1] suite
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