git-index-pack.html

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 734 </head>
 735 <body class="manpage">
 736 <div id="header">
 737 <h1>
 738 git-index-pack(1) Manual Page
 739 </h1>
 740 <h2>NAME</h2>
 741 <div class="sectionbody">
 742 <p>git-index-pack -
 743    Build pack index file for an existing packed archive
 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 index-pack</em> [-v] [-o &lt;index-file&gt;] [--[no-]rev-index] &lt;pack-file&gt;
 753 <em>git index-pack</em> --stdin [--fix-thin] [--keep] [-v] [-o &lt;index-file&gt;]
 754                   [--[no-]rev-index] [&lt;pack-file&gt;]</pre>
 755 <div class="attribution">
 756 </div></div>
 757 </div>
 758 </div>
 759 <div class="sect1">
 760 <h2 id="_description">DESCRIPTION</h2>
 761 <div class="sectionbody">
 762 <div class="paragraph"><p>Reads a packed archive (.pack) from the specified file,
 763 builds a pack index file (.idx) for it, and optionally writes a
 764 reverse-index (.rev) for the specified pack. The packed
 765 archive, together with the pack index, can then be placed in
 766 the objects/pack/ directory of a Git repository.</p></div>
 767 </div>
 768 </div>
 769 <div class="sect1">
 770 <h2 id="_options">OPTIONS</h2>
 771 <div class="sectionbody">
 772 <div class="dlist"><dl>
 773 <dt class="hdlist1">
 774 -v
 775 </dt>
 776 <dd>
 777 <p>
 778         Be verbose about what is going on, including progress status.
 779 </p>
 780 </dd>
 781 <dt class="hdlist1">
 782 -o &lt;index-file&gt;
 783 </dt>
 784 <dd>
 785 <p>
 786         Write the generated pack index into the specified
 787         file.  Without this option the name of pack index
 788         file is constructed from the name of packed archive
 789         file by replacing .pack with .idx (and the program
 790         fails if the name of packed archive does not end
 791         with .pack).
 792 </p>
 793 </dd>
 794 <dt class="hdlist1">
 795 --[no-]rev-index
 796 </dt>
 797 <dd>
 798 <p>
 799         When this flag is provided, generate a reverse index
 800         (a <code>.rev</code> file) corresponding to the given pack. If
 801         <code>--verify</code> is given, ensure that the existing
 802         reverse index is correct. Takes precedence over
 803         <code>pack.writeReverseIndex</code>.
 804 </p>
 805 </dd>
 806 <dt class="hdlist1">
 807 --stdin
 808 </dt>
 809 <dd>
 810 <p>
 811         When this flag is provided, the pack is read from stdin
 812         instead and a copy is then written to &lt;pack-file&gt;. If
 813         &lt;pack-file&gt; is not specified, the pack is written to
 814         objects/pack/ directory of the current Git repository with
 815         a default name determined from the pack content.  If
 816         &lt;pack-file&gt; is not specified consider using --keep to
 817         prevent a race condition between this process and
 818         <em>git repack</em>.
 819 </p>
 820 </dd>
 821 <dt class="hdlist1">
 822 --fix-thin
 823 </dt>
 824 <dd>
 825 <p>
 826         Fix a "thin" pack produced by <code>git pack-objects --thin</code> (see
 827         <a href="git-pack-objects.html">git-pack-objects(1)</a> for details) by adding the
 828         excluded objects the deltified objects are based on to the
 829         pack. This option only makes sense in conjunction with --stdin.
 830 </p>
 831 </dd>
 832 <dt class="hdlist1">
 833 --keep
 834 </dt>
 835 <dd>
 836 <p>
 837         Before moving the index into its final destination
 838         create an empty .keep file for the associated pack file.
 839         This option is usually necessary with --stdin to prevent a
 840         simultaneous <em>git repack</em> process from deleting
 841         the newly constructed pack and index before refs can be
 842         updated to use objects contained in the pack.
 843 </p>
 844 </dd>
 845 <dt class="hdlist1">
 846 --keep=&lt;msg&gt;
 847 </dt>
 848 <dd>
 849 <p>
 850         Like --keep, create a .keep file before moving the index into
 851         its final destination.  However, instead of creating an empty file
 852         place <em>&lt;msg&gt;</em> followed by an LF into the .keep file.  The <em>&lt;msg&gt;</em>
 853         message can later be searched for within all .keep files to
 854         locate any which have outlived their usefulness.
 855 </p>
 856 </dd>
 857 <dt class="hdlist1">
 858 --index-version=&lt;version&gt;[,&lt;offset&gt;]
 859 </dt>
 860 <dd>
 861 <p>
 862         This is intended to be used by the test suite only. It allows
 863         to force the version for the generated pack index, and to force
 864         64-bit index entries on objects located above the given offset.
 865 </p>
 866 </dd>
 867 <dt class="hdlist1">
 868 --strict[=&lt;msg-id&gt;=&lt;severity&gt;&#8230;]
 869 </dt>
 870 <dd>
 871 <p>
 872         Die, if the pack contains broken objects or links. An optional
 873         comma-separated list of <code>&lt;msg-id&gt;=&lt;severity&gt;</code> can be passed to change
 874         the severity of some possible issues, e.g.,
 875          <code>--strict="missingEmail=ignore,badTagName=error"</code>. See the entry for the
 876         <code>fsck.&lt;msg-id&gt;</code> configuration options in <a href="git-fsck.html">git-fsck(1)</a> for more
 877         information on the possible values of <code>&lt;msg-id&gt;</code> and <code>&lt;severity&gt;</code>.
 878 </p>
 879 </dd>
 880 <dt class="hdlist1">
 881 --progress-title
 882 </dt>
 883 <dd>
 884 <p>
 885         For internal use only.
 886 </p>
 887 <div class="paragraph"><p>Set the title of the progress bar. The title is "Receiving objects" by
 888 default and "Indexing objects" when <code>--stdin</code> is specified.</p></div>
 889 </dd>
 890 <dt class="hdlist1">
 891 --check-self-contained-and-connected
 892 </dt>
 893 <dd>
 894 <p>
 895         Die if the pack contains broken links. For internal use only.
 896 </p>
 897 </dd>
 898 <dt class="hdlist1">
 899 --fsck-objects[=&lt;msg-id&gt;=&lt;severity&gt;&#8230;]
 900 </dt>
 901 <dd>
 902 <p>
 903         Die if the pack contains broken objects, but unlike <code>--strict</code>, don&#8217;t
 904         choke on broken links. If the pack contains a tree pointing to a
 905         .gitmodules blob that does not exist, prints the hash of that blob
 906         (for the caller to check) after the hash that goes into the name of the
 907         pack/idx file (see "Notes").
 908 </p>
 909 <div class="paragraph"><p>An optional comma-separated list of <code>&lt;msg-id&gt;=&lt;severity&gt;</code> can be passed to
 910 change the severity of some possible issues, e.g.,
 911 <code>--fsck-objects="missingEmail=ignore,badTagName=ignore"</code>. See the entry for the
 912 <code>fsck.&lt;msg-id&gt;</code> configuration options in <a href="git-fsck.html">git-fsck(1)</a> for more
 913 information on the possible values of <code>&lt;msg-id&gt;</code> and <code>&lt;severity&gt;</code>.</p></div>
 914 </dd>
 915 <dt class="hdlist1">
 916 --threads=&lt;n&gt;
 917 </dt>
 918 <dd>
 919 <p>
 920         Specifies the number of threads to spawn when resolving
 921         deltas. This requires that index-pack be compiled with
 922         pthreads otherwise this option is ignored with a warning.
 923         This is meant to reduce packing time on multiprocessor
 924         machines. The required amount of memory for the delta search
 925         window is however multiplied by the number of threads.
 926         Specifying 0 will cause Git to auto-detect the number of CPU&#8217;s
 927         and use maximum 3 threads.
 928 </p>
 929 </dd>
 930 <dt class="hdlist1">
 931 --max-input-size=&lt;size&gt;
 932 </dt>
 933 <dd>
 934 <p>
 935         Die, if the pack is larger than &lt;size&gt;.
 936 </p>
 937 </dd>
 938 <dt class="hdlist1">
 939 --object-format=&lt;hash-algorithm&gt;
 940 </dt>
 941 <dd>
 942 <p>
 943         Specify the given object format (hash algorithm) for the pack.  The valid
 944         values are <em>sha1</em> and (if enabled) <em>sha256</em>.  The default is the algorithm for
 945         the current repository (set by <code>extensions.objectFormat</code>), or <em>sha1</em> if no
 946         value is set or outside a repository.
 947 </p>
 948 <div class="paragraph"><p>This option cannot be used with --stdin.</p></div>
 949 <div class="paragraph"><p>Note: At present, there is no interoperability between SHA-256
 950 repositories and SHA-1 repositories.</p></div>
 951 </dd>
 952 </dl></div>
 953 <div class="paragraph"><p>Historically, we warned that SHA-256 repositories may later need
 954 backward incompatible changes when we introduce such interoperability
 955 features. Today, we only expect compatible changes. Furthermore, if such
 956 changes prove to be necessary, it can be expected that SHA-256 repositories
 957 created with today&#8217;s Git will be usable by future versions of Git
 958 without data loss.</p></div>
 959 <div class="dlist"><dl>
 960 <dt class="hdlist1">
 961 --promisor[=&lt;message&gt;]
 962 </dt>
 963 <dd>
 964 <p>
 965         Before committing the pack-index, create a .promisor file for this
 966         pack. Particularly helpful when writing a promisor pack with --fix-thin
 967         since the name of the pack is not final until the pack has been fully
 968         written. If a <code>&lt;message&gt;</code> is provided, then that content will be
 969         written to the .promisor file for future reference. See
 970         <a href="technical/partial-clone.html">partial clone</a> for more information.
 971 </p>
 972 </dd>
 973 </dl></div>
 974 </div>
 975 </div>
 976 <div class="sect1">
 977 <h2 id="_notes">NOTES</h2>
 978 <div class="sectionbody">
 979 <div class="paragraph"><p>Once the index has been created, the hash that goes into the name of
 980 the pack/idx file is printed to stdout. If --stdin was
 981 also used then this is prefixed by either "pack\t", or "keep\t" if a
 982 new .keep file was successfully created. This is useful to remove a
 983 .keep file used as a lock to prevent the race with <em>git repack</em>
 984 mentioned above.</p></div>
 985 </div>
 986 </div>
 987 <div class="sect1">
 988 <h2 id="_git">GIT</h2>
 989 <div class="sectionbody">
 990 <div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
 991 </div>
 992 </div>
 993 </div>
 994 <div id="footnotes"><hr /></div>
 995 <div id="footer">
 996 <div id="footer-text">
 997 Last updated
 998  2024-02-08 15:45:59 PST
 999 </div>
1000 </div>
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