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<body class="manpage">
<div id="header">
<h1>
git-replace(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-replace -
   Create, list, delete refs to replace objects
</p>
</div>
</div>
<div id="content">
<div class="sect1">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<pre class="content"><em>git replace</em> [-f] &lt;object&gt; &lt;replacement&gt;
<em>git replace</em> -d &lt;object&gt;&#8230;
<em>git replace</em> -l [&lt;pattern&gt;]</pre>
<div class="attribution">
</div></div>
</div>
</div>
<div class="sect1">
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Adds a <em>replace</em> reference in <code>refs/replace/</code> namespace.</p></div>
<div class="paragraph"><p>The name of the <em>replace</em> reference is the SHA-1 of the object that is
replaced. The content of the <em>replace</em> reference is the SHA-1 of the
replacement object.</p></div>
<div class="paragraph"><p>Unless <code>-f</code> is given, the <em>replace</em> reference must not yet exist.</p></div>
<div class="paragraph"><p>Replacement references will be used by default by all Git commands
except those doing reachability traversal (prune, pack transfer and
fsck).</p></div>
<div class="paragraph"><p>It is possible to disable use of replacement references for any
command using the <code>--no-replace-objects</code> option just after <em>git</em>.</p></div>
<div class="paragraph"><p>For example if commit <em>foo</em> has been replaced by commit <em>bar</em>:</p></div>
<div class="listingblock">
<div class="content">
<pre><code>$ git --no-replace-objects cat-file commit foo</code></pre>
</div></div>
<div class="paragraph"><p>shows information about commit <em>foo</em>, while:</p></div>
<div class="listingblock">
<div class="content">
<pre><code>$ git cat-file commit foo</code></pre>
</div></div>
<div class="paragraph"><p>shows information about commit <em>bar</em>.</p></div>
<div class="paragraph"><p>The <em>GIT_NO_REPLACE_OBJECTS</em> environment variable can be set to
achieve the same effect as the <code>--no-replace-objects</code> option.</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-f
</dt>
<dd>
<p>
        If an existing replace ref for the same object exists, it will
        be overwritten (instead of failing).
</p>
</dd>
<dt class="hdlist1">
-d
</dt>
<dd>
<p>
        Delete existing replace refs for the given objects.
</p>
</dd>
<dt class="hdlist1">
-l &lt;pattern&gt;
</dt>
<dd>
<p>
        List replace refs for objects that match the given pattern (or
        all if no pattern is given).
        Typing "git replace" without arguments, also lists all replace
        refs.
</p>
</dd>
</dl></div>
</div>
</div>
<div class="sect1">
<h2 id="_bugs">BUGS</h2>
<div class="sectionbody">
<div class="paragraph"><p>Comparing blobs or trees that have been replaced with those that
replace them will not work properly. And using <code>git reset --hard</code> to
go back to a replaced commit will move the branch to the replacement
commit instead of the replaced commit.</p></div>
<div class="paragraph"><p>There may be other problems when using <em>git rev-list</em> related to
pending objects. And of course things may break if an object of one
type is replaced by an object of another type (for example a blob
replaced by a commit).</p></div>
</div>
</div>
<div class="sect1">
<h2 id="_see_also">SEE ALSO</h2>
<div class="sectionbody">
<div class="paragraph"><p><a href="git-tag.html">git-tag(1)</a>
<a href="git-branch.html">git-branch(1)</a>
<a href="git.html">git(1)</a></p></div>
</div>
</div>
<div class="sect1">
<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>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated 2013-06-10 20:01:55 UTC
</div>
</div>
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