git-multi-pack-index.html

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 735 <body class="manpage">
 736 <div id="header">
 737 <h1>
 738 git-multi-pack-index(1) Manual Page
 739 </h1>
 740 <h2>NAME</h2>
 741 <div class="sectionbody">
 742 <p>git-multi-pack-index -
 743    Write and verify multi-pack-indexes
 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 multi-pack-index</em> [--object-dir=&lt;dir&gt;] [--[no-]bitmap] &lt;sub-command&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>Write or verify a multi-pack-index (MIDX) file.</p></div>
 761 </div>
 762 </div>
 763 <div class="sect1">
 764 <h2 id="_options">OPTIONS</h2>
 765 <div class="sectionbody">
 766 <div class="dlist"><dl>
 767 <dt class="hdlist1">
 768 --object-dir=&lt;dir&gt;
 769 </dt>
 770 <dd>
 771 <p>
 772         Use given directory for the location of Git objects. We check
 773         <code>&lt;dir&gt;/packs/multi-pack-index</code> for the current MIDX file, and
 774         <code>&lt;dir&gt;/packs</code> for the pack-files to index.
 775 </p>
 776 <div class="paragraph"><p><code>&lt;dir&gt;</code> must be an alternate of the current repository.</p></div>
 777 </dd>
 778 <dt class="hdlist1">
 779 --[no-]progress
 780 </dt>
 781 <dd>
 782 <p>
 783         Turn progress on/off explicitly. If neither is specified, progress is
 784         shown if standard error is connected to a terminal. Supported by
 785         sub-commands <code>write</code>, <code>verify</code>, <code>expire</code>, and `repack.
 786 </p>
 787 </dd>
 788 </dl></div>
 789 <div class="paragraph"><p>The following subcommands are available:</p></div>
 790 <div class="dlist"><dl>
 791 <dt class="hdlist1">
 792 write
 793 </dt>
 794 <dd>
 795 <p>
 796         Write a new MIDX file. The following options are available for
 797         the <code>write</code> sub-command:
 798 </p>
 799 <div class="openblock">
 800 <div class="content">
 801 <div class="dlist"><dl>
 802 <dt class="hdlist1">
 803 --preferred-pack=&lt;pack&gt;
 804 </dt>
 805 <dd>
 806 <p>
 807                 Optionally specify the tie-breaking pack used when
 808                 multiple packs contain the same object. <code>&lt;pack&gt;</code> must
 809                 contain at least one object. If not given, ties are
 810                 broken in favor of the pack with the lowest mtime.
 811 </p>
 812 </dd>
 813 <dt class="hdlist1">
 814 --[no-]bitmap
 815 </dt>
 816 <dd>
 817 <p>
 818                 Control whether or not a multi-pack bitmap is written.
 819 </p>
 820 </dd>
 821 <dt class="hdlist1">
 822 --stdin-packs
 823 </dt>
 824 <dd>
 825 <p>
 826                 Write a multi-pack index containing only the set of
 827                 line-delimited pack index basenames provided over stdin.
 828 </p>
 829 </dd>
 830 <dt class="hdlist1">
 831 --refs-snapshot=&lt;path&gt;
 832 </dt>
 833 <dd>
 834 <p>
 835                 With <code>--bitmap</code>, optionally specify a file which
 836                 contains a "refs snapshot" taken prior to repacking.
 837 </p>
 838 <div class="paragraph"><p>A reference snapshot is composed of line-delimited OIDs corresponding to
 839 the reference tips, usually taken by <code>git repack</code> prior to generating a
 840 new pack. A line may optionally start with a <code>+</code> character to indicate
 841 that the reference which corresponds to that OID is "preferred" (see
 842 <a href="git-config.html">git-config(1)</a>'s <code>pack.preferBitmapTips</code>.)</p></div>
 843 <div class="paragraph"><p>The file given at <code>&lt;path&gt;</code> is expected to be readable, and can contain
 844 duplicates. (If a given OID is given more than once, it is marked as
 845 preferred if at least one instance of it begins with the special <code>+</code>
 846 marker).</p></div>
 847 </dd>
 848 </dl></div>
 849 </div></div>
 850 </dd>
 851 <dt class="hdlist1">
 852 verify
 853 </dt>
 854 <dd>
 855 <p>
 856         Verify the contents of the MIDX file.
 857 </p>
 858 </dd>
 859 <dt class="hdlist1">
 860 expire
 861 </dt>
 862 <dd>
 863 <p>
 864         Delete the pack-files that are tracked by the MIDX file, but
 865         have no objects referenced by the MIDX (with the exception of
 866         <code>.keep</code> packs and cruft packs). Rewrite the MIDX file afterward
 867         to remove all references to these pack-files.
 868 </p>
 869 </dd>
 870 <dt class="hdlist1">
 871 repack
 872 </dt>
 873 <dd>
 874 <p>
 875         Create a new pack-file containing objects in small pack-files
 876         referenced by the multi-pack-index. If the size given by the
 877         <code>--batch-size=&lt;size&gt;</code> argument is zero, then create a pack
 878         containing all objects referenced by the multi-pack-index. For
 879         a non-zero batch size, Select the pack-files by examining packs
 880         from oldest-to-newest, computing the "expected size" by counting
 881         the number of objects in the pack referenced by the
 882         multi-pack-index, then divide by the total number of objects in
 883         the pack and multiply by the pack size. We select packs with
 884         expected size below the batch size until the set of packs have
 885         total expected size at least the batch size, or all pack-files
 886         are considered. If only one pack-file is selected, then do
 887         nothing. If a new pack-file is created, rewrite the
 888         multi-pack-index to reference the new pack-file. A later run of
 889         <em>git multi-pack-index expire</em> will delete the pack-files that
 890         were part of this batch.
 891 </p>
 892 <div class="paragraph"><p>If <code>repack.packKeptObjects</code> is <code>false</code>, then any pack-files with an
 893 associated <code>.keep</code> file will not be selected for the batch to repack.</p></div>
 894 </dd>
 895 </dl></div>
 896 </div>
 897 </div>
 898 <div class="sect1">
 899 <h2 id="_examples">EXAMPLES</h2>
 900 <div class="sectionbody">
 901 <div class="ulist"><ul>
 902 <li>
 903 <p>
 904 Write a MIDX file for the packfiles in the current <code>.git</code> directory.
 905 </p>
 906 <div class="listingblock">
 907 <div class="content">
 908 <pre><code>$ git multi-pack-index write</code></pre>
 909 </div></div>
 910 </li>
 911 <li>
 912 <p>
 913 Write a MIDX file for the packfiles in the current <code>.git</code> directory with a
 914 corresponding bitmap.
 915 </p>
 916 <div class="listingblock">
 917 <div class="content">
 918 <pre><code>$ git multi-pack-index write --preferred-pack=&lt;pack&gt; --bitmap</code></pre>
 919 </div></div>
 920 </li>
 921 <li>
 922 <p>
 923 Write a MIDX file for the packfiles in an alternate object store.
 924 </p>
 925 <div class="listingblock">
 926 <div class="content">
 927 <pre><code>$ git multi-pack-index --object-dir &lt;alt&gt; write</code></pre>
 928 </div></div>
 929 </li>
 930 <li>
 931 <p>
 932 Verify the MIDX file for the packfiles in the current <code>.git</code> directory.
 933 </p>
 934 <div class="listingblock">
 935 <div class="content">
 936 <pre><code>$ git multi-pack-index verify</code></pre>
 937 </div></div>
 938 </li>
 939 </ul></div>
 940 </div>
 941 </div>
 942 <div class="sect1">
 943 <h2 id="_see_also">SEE ALSO</h2>
 944 <div class="sectionbody">
 945 <div class="paragraph"><p>See <a href="technical/multi-pack-index.html">The Multi-Pack-Index Design
 946 Document</a> and <a href="gitformat-pack.html">gitformat-pack(5)</a> for more information on the
 947 multi-pack-index feature and its file format.</p></div>
 948 </div>
 949 </div>
 950 <div class="sect1">
 951 <h2 id="_git">GIT</h2>
 952 <div class="sectionbody">
 953 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
 954 </div>
 955 </div>
 956 </div>
 957 <div id="footnotes"><hr /></div>
 958 <div id="footer">
 959 <div id="footer-text">
 960 Last updated
 961  2022-10-10 14:40:17 PDT
 962 </div>
 963 </div>
 964 </body>
 965 </html>