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<title>git-merge-index(1)</title>
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<body>
<div id="header">
<h1>
git-merge-index(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-merge-index -
Run a merge for files needing merging
</p>
</div>
</div>
<h2>SYNOPSIS</h2>
<div class="sectionbody">
<div class="para"><p><em>git merge-index</em> [-o] [-q] &lt;merge-program&gt; (-a | [--] &lt;file&gt;*)</p></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="para"><p>This looks up the &lt;file&gt;(s) in the index and, if there are any merge
entries, passes the SHA1 hash for those files as arguments 1, 2, 3 (empty
argument if no file), and &lt;file&gt; as argument 4. File modes for the three
files are passed as arguments 5, 6 and 7.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="vlist"><dl>
<dt>
--
</dt>
<dd>
<p>
Do not interpret any more arguments as options.
</p>
</dd>
<dt>
-a
</dt>
<dd>
<p>
Run merge against all files in the index that need merging.
</p>
</dd>
<dt>
-o
</dt>
<dd>
<p>
Instead of stopping at the first failed merge, do all of them
in one shot - continue with merging even when previous merges
returned errors, and only return the error code after all the
merges.
</p>
</dd>
<dt>
-q
</dt>
<dd>
<p>
Do not complain about a failed merge program (a merge program
failure usually indicates conflicts during the merge). This is for
porcelains which might want to emit custom messages.
</p>
</dd>
</dl></div>
<div class="para"><p>If <em>git merge-index</em> is called with multiple &lt;file&gt;s (or -a) then it
processes them in turn only stopping if merge returns a non-zero exit
code.</p></div>
<div class="para"><p>Typically this is run with a script calling git's imitation of
the <em>merge</em> command from the RCS package.</p></div>
<div class="para"><p>A sample script called <em>git merge-one-file</em> is included in the
distribution.</p></div>
<div class="para"><p>ALERT ALERT ALERT! The git "merge object order" is different from the
RCS <em>merge</em> program merge object order. In the above ordering, the
original is first. But the argument order to the 3-way merge program
<em>merge</em> is to have the original in the middle. Don't ask me why.</p></div>
<div class="para"><p>Examples:</p></div>
<div class="literalblock">
<div class="content">
<pre><tt>torvalds@ppc970:~/merge-test&gt; git merge-index cat MM
This is MM from the original tree. # original
This is modified MM in the branch A. # merge1
This is modified MM in the branch B. # merge2
This is modified MM in the branch B. # current contents</tt></pre>
</div></div>
<div class="para"><p>or</p></div>
<div class="literalblock">
<div class="content">
<pre><tt>torvalds@ppc970:~/merge-test&gt; git merge-index cat AA MM
cat: : No such file or directory
This is added AA in the branch A.
This is added AA in the branch B.
This is added AA in the branch B.
fatal: merge program failed</tt></pre>
</div></div>
<div class="para"><p>where the latter example shows how <em>git merge-index</em> will stop trying to
merge once anything has returned an error (i.e., <tt>cat</tt> returned an error
for the AA file, because it didn't exist in the original, and thus
<em>git merge-index</em> didn't even try to merge the MM thing).</p></div>
</div>
<h2 id="_author">Author</h2>
<div class="sectionbody">
<div class="para"><p>Written by Linus Torvalds &lt;torvalds@osdl.org&gt;
One-shot merge by Petr Baudis &lt;pasky@ucw.cz&gt;</p></div>
</div>
<h2 id="_documentation">Documentation</h2>
<div class="sectionbody">
<div class="para"><p>Documentation by David Greaves, Junio C Hamano 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 23:56:49 UTC
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