git-show-index.html

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 735 <body class="manpage">
 736 <div id="header">
 737 <h1>
 738 git-show-index(1) Manual Page
 739 </h1>
 740 <h2>NAME</h2>
 741 <div class="sectionbody">
 742 <p>git-show-index -
 743    Show packed archive index
 744 </p>
 745 </div>
 746 </div>
 747 <div id="content">
 748 <div class="sect1">
 749 <h2 id="_synopsis">SYNOPSIS</h2>
 750 <div class="sectionbody">
 751 <div class="verseblock">
 752 <pre class="content"><em>git show-index</em> [--object-format=&lt;hash-algorithm&gt;]</pre>
 753 <div class="attribution">
 754 </div></div>
 755 </div>
 756 </div>
 757 <div class="sect1">
 758 <h2 id="_description">DESCRIPTION</h2>
 759 <div class="sectionbody">
 760 <div class="paragraph"><p>Read the <code>.idx</code> file for a Git packfile (created with
 761 <a href="git-pack-objects.html">git-pack-objects(1)</a> or <a href="git-index-pack.html">git-index-pack(1)</a>) from the
 762 standard input, and dump its contents. The output consists of one object
 763 per line, with each line containing two or three space-separated
 764 columns:</p></div>
 765 <div class="ulist"><ul>
 766 <li>
 767 <p>
 768 the first column is the offset in bytes of the object within the
 769     corresponding packfile
 770 </p>
 771 </li>
 772 <li>
 773 <p>
 774 the second column is the object id of the object
 775 </p>
 776 </li>
 777 <li>
 778 <p>
 779 if the index version is 2 or higher, the third column contains the
 780     CRC32 of the object data
 781 </p>
 782 </li>
 783 </ul></div>
 784 <div class="paragraph"><p>The objects are output in the order in which they are found in the index
 785 file, which should be (in a correctly constructed file) sorted by object
 786 id.</p></div>
 787 <div class="paragraph"><p>Note that you can get more information on a packfile by calling
 788 <a href="git-verify-pack.html">git-verify-pack(1)</a>. However, as this command considers only the
 789 index file itself, it&#8217;s both faster and more flexible.</p></div>
 790 </div>
 791 </div>
 792 <div class="sect1">
 793 <h2 id="_options">OPTIONS</h2>
 794 <div class="sectionbody">
 795 <div class="dlist"><dl>
 796 <dt class="hdlist1">
 797 --object-format=&lt;hash-algorithm&gt;
 798 </dt>
 799 <dd>
 800 <p>
 801         Specify the given object format (hash algorithm) for the index file.  The
 802         valid values are <em>sha1</em> and (if enabled) <em>sha256</em>.  The default is the
 803         algorithm for the current repository (set by <code>extensions.objectFormat</code>), or
 804         <em>sha1</em> if no value is set or outside a repository..
 805 </p>
 806 <div class="paragraph"><p>Note: At present, there is no interoperability between SHA-256
 807 repositories and SHA-1 repositories.</p></div>
 808 </dd>
 809 </dl></div>
 810 <div class="paragraph"><p>Historically, we warned that SHA-256 repositories may later need
 811 backward incompatible changes when we introduce such interoperability
 812 features. Today, we only expect compatible changes. Furthermore, if such
 813 changes prove to be necessary, it can be expected that SHA-256 repositories
 814 created with today&#8217;s Git will be usable by future versions of Git
 815 without data loss.</p></div>
 816 </div>
 817 </div>
 818 <div class="sect1">
 819 <h2 id="_git">GIT</h2>
 820 <div class="sectionbody">
 821 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
 822 </div>
 823 </div>
 824 </div>
 825 <div id="footnotes"><hr /></div>
 826 <div id="footer">
 827 <div id="footer-text">
 828 Last updated
 829  2020-08-25 10:44:55 PDT
 830 </div>
 831 </div>
 832 </body>
 833 </html>