git-replace.html - pub/scm/git/git-htmldocs - Git at Google

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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> [-f] --edit &lt;object&gt;
 <em>git replace</em> [-f] --graft &lt;commit&gt; [&lt;parent&gt;&#8230;]
 <em>git replace</em> [-f] --convert-graft-file
 <em>git replace</em> -d &lt;object&gt;&#8230;
 <em>git replace</em> [--format=&lt;format&gt;] [-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>The replaced object and the replacement object must be of the same type.
 This restriction can be bypassed using <code>-f</code>.</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>There is no other restriction on the replaced and replacement objects.
 Merge commits can be replaced by non-merge commits and vice versa.</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 has been replaced by commit 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 <code>GIT_NO_REPLACE_OBJECTS</code> 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>
 <dt class="hdlist1">
 --force
 </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>
 <dt class="hdlist1">
 --delete
 </dt>
 <dd>
 <p>
         Delete existing replace refs for the given objects.
 </p>
 </dd>
 <dt class="hdlist1">
 --edit &lt;object&gt;
 </dt>
 <dd>
 <p>
         Edit an object&#8217;s content interactively. The existing content
         for &lt;object&gt; is pretty-printed into a temporary file, an
         editor is launched on the file, and the result is parsed to
         create a new object of the same type as &lt;object&gt;. A
         replacement ref is then created to replace &lt;object&gt; with the
         newly created object. See <a href="git-var.html">git-var(1)</a> for details about
         how the editor will be chosen.
 </p>
 </dd>
 <dt class="hdlist1">
 --raw
 </dt>
 <dd>
 <p>
         When editing, provide the raw object contents rather than
         pretty-printed ones. Currently this only affects trees, which
         will be shown in their binary form. This is harder to work with,
         but can help when repairing a tree that is so corrupted it
         cannot be pretty-printed. Note that you may need to configure
         your editor to cleanly read and write binary data.
 </p>
 </dd>
 <dt class="hdlist1">
 --graft &lt;commit&gt; [&lt;parent&gt;&#8230;]
 </dt>
 <dd>
 <p>
         Create a graft commit. A new commit is created with the same
         content as &lt;commit&gt; except that its parents will be
         [&lt;parent&gt;&#8230;] instead of &lt;commit&gt;'s parents. A replacement ref
         is then created to replace &lt;commit&gt; with the newly created
         commit. Use <code>--convert-graft-file</code> to convert a
         <code>$GIT_DIR/info/grafts</code> file and use replace refs instead.
 </p>
 </dd>
 <dt class="hdlist1">
 --convert-graft-file
 </dt>
 <dd>
 <p>
         Creates graft commits for all entries in <code>$GIT_DIR/info/grafts</code>
         and deletes that file upon success. The purpose is to help users
         with transitioning off of the now-deprecated graft file.
 </p>
 </dd>
 <dt class="hdlist1">
 -l &lt;pattern&gt;
 </dt>
 <dt class="hdlist1">
 --list &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>
 <dt class="hdlist1">
 --format=&lt;format&gt;
 </dt>
 <dd>
 <p>
         When listing, use the specified &lt;format&gt;, which can be one of
         <em>short</em>, <em>medium</em> and <em>long</em>. When omitted, the format
         defaults to <em>short</em>.
 </p>
 </dd>
 </dl></div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_formats">FORMATS</h2>
 <div class="sectionbody">
 <div class="paragraph"><p>The following format are available:</p></div>
 <div class="ulist"><ul>
 <li>
 <p>
 <em>short</em>:
         &lt;replaced sha1&gt;
 </p>
 </li>
 <li>
 <p>
 <em>medium</em>:
         &lt;replaced sha1&gt; &#8594; &lt;replacement sha1&gt;
 </p>
 </li>
 <li>
 <p>
 <em>long</em>:
         &lt;replaced sha1&gt; (&lt;replaced type&gt;) &#8594; &lt;replacement sha1&gt; (&lt;replacement type&gt;)
 </p>
 </li>
 </ul></div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_creating_replacement_objects">CREATING REPLACEMENT OBJECTS</h2>
 <div class="sectionbody">
 <div class="paragraph"><p><a href="git-filter-branch.html">git-filter-branch(1)</a>, <a href="git-hash-object.html">git-hash-object(1)</a> and
 <a href="git-rebase.html">git-rebase(1)</a>, among other git commands, can be used to create
 replacement objects from existing objects. The <code>--edit</code> option can
 also be used with <em>git replace</em> to create a replacement object by
 editing an existing object.</p></div>
 <div class="paragraph"><p>If you want to replace many blobs, trees or commits that are part of a
 string of commits, you may just want to create a replacement string of
 commits and then only replace the commit at the tip of the target
 string of commits with the commit at the tip of the replacement string
 of commits.</p></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.</p></div>
 </div>
 </div>
 <div class="sect1">
 <h2 id="_see_also">SEE ALSO</h2>
 <div class="sectionbody">
 <div class="paragraph"><p><a href="git-hash-object.html">git-hash-object(1)</a>
 <a href="git-filter-branch.html">git-filter-branch(1)</a>
 <a href="git-rebase.html">git-rebase(1)</a>
 <a href="git-tag.html">git-tag(1)</a>
 <a href="git-branch.html">git-branch(1)</a>
 <a href="git-commit.html">git-commit(1)</a>
 <a href="git-var.html">git-var(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
  2018-05-23 00:06:29 PDT
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