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<div id="header">
<h1>
git-mergetool(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-mergetool -
Run merge conflict resolution tools to resolve merge conflicts
</p>
</div>
</div>
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="paragraph"><p><em>git mergetool</em> [--tool=<tool>] [-y|--no-prompt|--prompt] [<file>…]</p></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Use <tt>git mergetool</tt> to run one of several merge utilities to resolve
merge conflicts. It is typically run after <em>git merge</em>.</p></div>
<div class="paragraph"><p>If one or more <file> parameters are given, the merge tool program will
be run to resolve differences on each file. If no <file> names are
specified, <em>git mergetool</em> will run the merge tool program on every file
with merge conflicts.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-t <tool>
</dt>
<dt class="hdlist1">
--tool=<tool>
</dt>
<dd>
<p>
Use the merge resolution program specified by <tool>.
Valid merge tools are:
araxis, bc3, diffuse, ecmerge, emerge, gvimdiff, kdiff3,
meld, opendiff, p4merge, tkdiff, tortoisemerge, vimdiff and xxdiff.
</p>
<div class="paragraph"><p>If a merge resolution program is not specified, <em>git mergetool</em>
will use the configuration variable <tt>merge.tool</tt>. If the
configuration variable <tt>merge.tool</tt> is not set, <em>git mergetool</em>
will pick a suitable default.</p></div>
<div class="paragraph"><p>You can explicitly provide a full path to the tool by setting the
configuration variable <tt>mergetool.<tool>.path</tt>. For example, you
can configure the absolute path to kdiff3 by setting
<tt>mergetool.kdiff3.path</tt>. Otherwise, <em>git mergetool</em> assumes the
tool is available in PATH.</p></div>
<div class="paragraph"><p>Instead of running one of the known merge tool programs,
<em>git mergetool</em> can be customized to run an alternative program
by specifying the command line to invoke in a configuration
variable <tt>mergetool.<tool>.cmd</tt>.</p></div>
<div class="paragraph"><p>When <em>git mergetool</em> is invoked with this tool (either through the
<tt>-t</tt> or <tt>--tool</tt> option or the <tt>merge.tool</tt> configuration
variable) the configured command line will be invoked with <tt>$BASE</tt>
set to the name of a temporary file containing the common base for
the merge, if available; <tt>$LOCAL</tt> set to the name of a temporary
file containing the contents of the file on the current branch;
<tt>$REMOTE</tt> set to the name of a temporary file containing the
contents of the file to be merged, and <tt>$MERGED</tt> set to the name
of the file to which the merge tool should write the result of the
merge resolution.</p></div>
<div class="paragraph"><p>If the custom merge tool correctly indicates the success of a
merge resolution with its exit code, then the configuration
variable <tt>mergetool.<tool>.trustExitCode</tt> can be set to <tt>true</tt>.
Otherwise, <em>git mergetool</em> will prompt the user to indicate the
success of the resolution after the custom tool has exited.</p></div>
</dd>
<dt class="hdlist1">
-y
</dt>
<dt class="hdlist1">
--no-prompt
</dt>
<dd>
<p>
Don’t prompt before each invocation of the merge resolution
program.
</p>
</dd>
<dt class="hdlist1">
--prompt
</dt>
<dd>
<p>
Prompt before each invocation of the merge resolution program.
This is the default behaviour; the option is provided to
override any configuration settings.
</p>
</dd>
</dl></div>
</div>
<h2 id="_temporary_files">TEMPORARY FILES</h2>
<div class="sectionbody">
<div class="paragraph"><p><tt>git mergetool</tt> creates <tt>*.orig</tt> backup files while resolving merges.
These are safe to remove once a file has been merged and its
<tt>git mergetool</tt> session has completed.</p></div>
<div class="paragraph"><p>Setting the <tt>mergetool.keepBackup</tt> configuration variable to <tt>false</tt>
causes <tt>git mergetool</tt> to automatically remove the backup as files
are successfully merged.</p></div>
</div>
<h2 id="_git">GIT</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
</div>
<div id="footer">
<div id="footer-text">
Last updated 2011-04-19 22:26:58 UTC
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