git/git-difftool.html at html · wolfpython/git · GitHub

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<title>git-difftool(1)</title>
</head>
<body>
<div id="header">
<h1>
git-difftool(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-difftool -
   Show changes using common diff tools
</p>
</div>
</div>
<h2>SYNOPSIS</h2>
<div class="sectionbody">
<div class="para"><p><em>git difftool</em> [&lt;options&gt;] &lt;commit&gt;{0,2} [--] [&lt;path&gt;&#8230;]</p></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="para"><p><em>git difftool</em> is a git command that allows you to compare and edit files
between revisions using common diff tools.  <em>git difftool</em> is a frontend
to <em>git diff</em> and accepts the same options and arguments.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="vlist"><dl>
<dt>
-y
</dt>
<dt>
--no-prompt
</dt>
<dd>
<p>
        Do not prompt before launching a diff tool.
</p>
</dd>
<dt>
--prompt
</dt>
<dd>
<p>
        Prompt before each invocation of the diff tool.
        This is the default behaviour; the option is provided to
        override any configuration settings.
</p>
</dd>
<dt>
-t &lt;tool&gt;
</dt>
<dt>
--tool=&lt;tool&gt;
</dt>
<dd>
<p>
        Use the diff tool specified by &lt;tool&gt;.
        Valid merge tools are:
        kdiff3, kompare, tkdiff, meld, xxdiff, emerge, vimdiff, gvimdiff,
        ecmerge, diffuse, opendiff, p4merge and araxis.
</p>
<div class="para"><p>If a diff tool is not specified, <em>git difftool</em>
will use the configuration variable <tt>diff.tool</tt>.  If the
configuration variable <tt>diff.tool</tt> is not set, <em>git difftool</em>
will pick a suitable default.</p></div>
<div class="para"><p>You can explicitly provide a full path to the tool by setting the
configuration variable <tt>difftool.&lt;tool&gt;.path</tt>. For example, you
can configure the absolute path to kdiff3 by setting
<tt>difftool.kdiff3.path</tt>. Otherwise, <em>git difftool</em> assumes the
tool is available in PATH.</p></div>
<div class="para"><p>Instead of running one of the known diff tools,
<em>git difftool</em> can be customized to run an alternative program
by specifying the command line to invoke in a configuration
variable <tt>difftool.&lt;tool&gt;.cmd</tt>.</p></div>
<div class="para"><p>When <em>git difftool</em> is invoked with this tool (either through the
<tt>-t</tt> or <tt>--tool</tt> option or the <tt>diff.tool</tt> configuration variable)
the configured command line will be invoked with the following
variables available: <tt>$LOCAL</tt> is set to the name of the temporary
file containing the contents of the diff pre-image and <tt>$REMOTE</tt>
is set to the name of the temporary file containing the contents
of the diff post-image.  <tt>$BASE</tt> is provided for compatibility
with custom merge tool commands and has the same value as <tt>$LOCAL</tt>.</p></div>
</dd>
<dt>
-x &lt;command&gt;
</dt>
<dt>
--extcmd=&lt;command&gt;
</dt>
<dd>
<p>
        Specify a custom command for viewing diffs.
        <em>git-difftool</em> ignores the configured defaults and runs
        <tt>$command $LOCAL $REMOTE</tt> when this option is specified.
</p>
</dd>
<dt>
-g
</dt>
<dt>
--gui
</dt>
<dd>
<p>
        When <em>git-difftool</em> is invoked with the <tt>-g</tt> or <tt>--gui</tt> option
        the default diff tool will be read from the configured
        <tt>diff.guitool</tt> variable instead of <tt>diff.tool</tt>.
</p>
</dd>
</dl></div>
<div class="para"><p>See <a href="git-diff.html">git-diff(1)</a> for the full list of supported options.</p></div>
</div>
<h2 id="_config_variables">CONFIG VARIABLES</h2>
<div class="sectionbody">
<div class="para"><p><em>git difftool</em> falls back to <em>git mergetool</em> config variables when the
difftool equivalents have not been defined.</p></div>
<div class="vlist"><dl>
<dt>
diff.tool
</dt>
<dd>
<p>
        The default diff tool to use.
</p>
</dd>
<dt>
diff.guitool
</dt>
<dd>
<p>
        The default diff tool to use when <tt>--gui</tt> is specified.
</p>
</dd>
<dt>
difftool.&lt;tool&gt;.path
</dt>
<dd>
<p>
        Override the path for the given tool.  This is useful in case
        your tool is not in the PATH.
</p>
</dd>
<dt>
difftool.&lt;tool&gt;.cmd
</dt>
<dd>
<p>
        Specify the command to invoke the specified diff tool.
</p>
<div class="para"><p>See the <tt>--tool=&lt;tool&gt;</tt> option above for more details.</p></div>
</dd>
<dt>
difftool.prompt
</dt>
<dd>
<p>
        Prompt before each invocation of the diff tool.
</p>
</dd>
</dl></div>
</div>
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="vlist"><dl>
<dt>
<a href="git-diff.html">git-diff(1)</a>
</dt>
<dd>
<p>
         Show changes between commits, commit and working tree, etc
</p>
</dd>
<dt>
<a href="git-mergetool.html">git-mergetool(1)</a>
</dt>
<dd>
<p>
        Run merge conflict resolution tools to resolve merge conflicts
</p>
</dd>
<dt>
<a href="git-config.html">git-config(1)</a>
</dt>
<dd>
<p>
         Get and set repository or global options
</p>
</dd>
</dl></div>
</div>
<h2 id="_author">AUTHOR</h2>
<div class="sectionbody">
<div class="para"><p>Written by David Aguilar &lt;davvid@gmail.com&gt;.</p></div>
</div>
<h2 id="_documentation">Documentation</h2>
<div class="sectionbody">
<div class="para"><p>Documentation by David Aguilar and the git-list &lt;git@vger.kernel.org&gt;.</p></div>
</div>
<h2 id="_git">GIT</h2>
<div class="sectionbody">
<div class="para"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
</div>
<div id="footer">
<div id="footer-text">
Last updated 2010-09-18 23:56:41 UTC
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