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443 /////////////////////////////////////////////////////////////////////
445 /* Author: Mihai Bazon, September 2002
446 * http://students.infoiasi.ro/~mishoo
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451 * Feel free to use this script under the terms of the GNU General Public
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573 git-repack(
1) Manual Page
576 <div class=
"sectionbody">
578 Pack unpacked objects in a repository
583 <h2 id=
"_synopsis">SYNOPSIS
</h2>
584 <div class=
"sectionbody">
585 <div class=
"verseblock">
586 <div class=
"verseblock-content"><em>git repack
</em> [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [--window=
<n
>] [--depth=
<n
>]
</div>
587 <div class=
"verseblock-attribution">
590 <h2 id=
"_description">DESCRIPTION
</h2>
591 <div class=
"sectionbody">
592 <div class=
"paragraph"><p>This script is used to combine all objects that do not currently
593 reside in a
"pack", into a pack. It can also be used to re-organize
594 existing packs into a single, more efficient pack.
</p></div>
595 <div class=
"paragraph"><p>A pack is a collection of objects, individually compressed, with
596 delta compression applied, stored in a single file, with an
597 associated index file.
</p></div>
598 <div class=
"paragraph"><p>Packs are used to reduce the load on mirror systems, backup
599 engines, disk storage, etc.
</p></div>
601 <h2 id=
"_options">OPTIONS
</h2>
602 <div class=
"sectionbody">
603 <div class=
"dlist"><dl>
609 Instead of incrementally packing the unpacked objects,
610 pack everything referenced into a single pack.
611 Especially useful when packing a repository that is used
612 for private development. Use
613 with
<em>-d
</em>. This will clean up the objects that
<tt>git prune
</tt>
614 leaves behind, but
<tt>git fsck --full
</tt> shows as
617 <div class=
"paragraph"><p>Note that users fetching over dumb protocols will have to fetch the
618 whole new pack in order to get any contained object, no matter how many
619 other objects in that pack they already have locally.
</p></div>
626 Same as
<tt>-a
</tt>, unless
<em>-d
</em> is used. Then any unreachable
627 objects in a previous pack become loose, unpacked objects,
628 instead of being left in the old pack. Unreachable objects
629 are never intentionally added to a pack, even when repacking.
630 This option prevents unreachable objects from being immediately
631 deleted by way of being left in the old pack and then
632 removed. Instead, the loose unreachable objects
633 will be pruned according to normal expiry rules
634 with the next
<em>git gc
</em> invocation. See
<a href=
"git-gc.html">git-gc(
1)
</a>.
642 After packing, if the newly created packs make some
643 existing packs redundant, remove the redundant packs.
644 Also run
<em>git prune-packed
</em> to remove redundant
653 Pass the
<tt>--local
</tt> option to
<em>git pack-objects
</em>. See
654 <a href=
"git-pack-objects.html">git-pack-objects(
1)
</a>.
662 Pass the
<tt>--no-reuse-delta
</tt> option to
<tt>git-pack-objects
</tt>, see
663 <a href=
"git-pack-objects.html">git-pack-objects(
1)
</a>.
671 Pass the
<tt>--no-reuse-object
</tt> option to
<tt>git-pack-objects
</tt>, see
672 <a href=
"git-pack-objects.html">git-pack-objects(
1)
</a>.
680 Pass the
<tt>-q
</tt> option to
<em>git pack-objects
</em>. See
681 <a href=
"git-pack-objects.html">git-pack-objects(
1)
</a>.
689 Do not update the server information with
690 <em>git update-server-info
</em>. This option skips
691 updating local catalog files needed to publish
692 this repository (or a direct copy of it)
693 over HTTP or FTP. See
<a href=
"git-update-server-info.html">git-update-server-info(
1)
</a>.
704 These two options affect how the objects contained in the pack are
705 stored using delta compression. The objects are first internally
706 sorted by type, size and optionally names and compared against the
707 other objects within
<tt>--window
</tt> to see if using delta compression saves
708 space.
<tt>--depth
</tt> limits the maximum delta depth; making it too deep
709 affects the performance on the unpacker side, because delta data needs
710 to be applied that many times to get to the necessary object.
711 The default value for --window is
10 and --depth is
50.
715 --window-memory=
<n
>
719 This option provides an additional limit on top of
<tt>--window
</tt>;
720 the window size will dynamically scale down so as to not take
721 up more than
<em><n
></em> bytes in memory. This is useful in
722 repositories with a mix of large and small objects to not run
723 out of memory with a large window, but still be able to take
724 advantage of the large window for the smaller objects. The
725 size can be suffixed with
"k",
"m", or
"g".
726 <tt>--window-memory=
0</tt> makes memory usage unlimited, which is the
731 --max-pack-size=
<n
>
735 Maximum size of each output pack file. The size can be suffixed with
736 "k",
"m", or
"g". The minimum size allowed is limited to
1 MiB.
737 If specified, multiple packfiles may be created.
738 The default is unlimited, unless the config variable
739 <tt>pack.packSizeLimit
</tt> is set.
744 <h2 id=
"_configuration">Configuration
</h2>
745 <div class=
"sectionbody">
746 <div class=
"paragraph"><p>By default, the command passes
<tt>--delta-base-offset
</tt> option to
747 <em>git pack-objects
</em>; this typically results in slightly smaller packs,
748 but the generated packs are incompatible with versions of Git older than
749 version
1.4.4. If you need to share your repository with such ancient Git
750 versions, either directly or via the dumb http or rsync protocol, then you
751 need to set the configuration variable
<tt>repack.UseDeltaBaseOffset
</tt> to
752 "false" and repack. Access from old Git versions over the native protocol
753 is unaffected by this option as the conversion is performed on the fly
754 as needed in that case.
</p></div>
756 <h2 id=
"_see_also">SEE ALSO
</h2>
757 <div class=
"sectionbody">
758 <div class=
"paragraph"><p><a href=
"git-pack-objects.html">git-pack-objects(
1)
</a>
759 <a href=
"git-prune-packed.html">git-prune-packed(
1)
</a></p></div>
761 <h2 id=
"_git">GIT
</h2>
762 <div class=
"sectionbody">
763 <div class=
"paragraph"><p>Part of the
<a href=
"git.html">git(
1)
</a> suite
</p></div>
766 <div id=
"footnotes"><hr /></div>
768 <div id=
"footer-text">
769 Last updated
2011-
09-
21 23:
01:
14 PDT