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| </style> | |
| <title>git-repack(1)</title> | |
| </head> | |
| <body> | |
| <div id="header"> | |
| <h1> | |
| git-repack(1) Manual Page | |
| </h1> | |
| <h2>NAME</h2> | |
| <div class="sectionbody"> | |
| <p>git-repack - | |
| Pack unpacked objects in a repository | |
| </p> | |
| </div> | |
| </div> | |
| <h2>SYNOPSIS</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p><em>git repack</em> [-a] [-A] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]</p></div> | |
| </div> | |
| <h2 id="_description">DESCRIPTION</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p>This script is used to combine all objects that do not currently | |
| reside in a "pack", into a pack. It can also be used to re-organize | |
| existing packs into a single, more efficient pack.</p></div> | |
| <div class="para"><p>A pack is a collection of objects, individually compressed, with | |
| delta compression applied, stored in a single file, with an | |
| associated index file.</p></div> | |
| <div class="para"><p>Packs are used to reduce the load on mirror systems, backup | |
| engines, disk storage, etc.</p></div> | |
| </div> | |
| <h2 id="_options">OPTIONS</h2> | |
| <div class="sectionbody"> | |
| <div class="vlist"><dl> | |
| <dt> | |
| -a | |
| </dt> | |
| <dd> | |
| <p> | |
| Instead of incrementally packing the unpacked objects, | |
| pack everything referenced into a single pack. | |
| Especially useful when packing a repository that is used | |
| for private development and there is no need to worry | |
| about people fetching via dumb protocols from it. Use | |
| with <em>-d</em>. This will clean up the objects that <tt>git prune</tt> | |
| leaves behind, but <tt>git fsck --full</tt> shows as | |
| dangling. | |
| </p> | |
| </dd> | |
| <dt> | |
| -A | |
| </dt> | |
| <dd> | |
| <p> | |
| Same as <tt>-a</tt>, unless <em>-d</em> is used. Then any unreachable | |
| objects in a previous pack become loose, unpacked objects, | |
| instead of being left in the old pack. Unreachable objects | |
| are never intentionally added to a pack, even when repacking. | |
| This option prevents unreachable objects from being immediately | |
| deleted by way of being left in the old pack and then | |
| removed. Instead, the loose unreachable objects | |
| will be pruned according to normal expiry rules | |
| with the next <em>git-gc</em> invocation. See <a href="git-gc.html">git-gc(1)</a>. | |
| </p> | |
| </dd> | |
| <dt> | |
| -d | |
| </dt> | |
| <dd> | |
| <p> | |
| After packing, if the newly created packs make some | |
| existing packs redundant, remove the redundant packs. | |
| Also run <em>git-prune-packed</em> to remove redundant | |
| loose object files. | |
| </p> | |
| </dd> | |
| <dt> | |
| -l | |
| </dt> | |
| <dd> | |
| <p> | |
| Pass the <tt>--local</tt> option to <em>git-pack-objects</em>. See | |
| <a href="git-pack-objects.html">git-pack-objects(1)</a>. | |
| </p> | |
| </dd> | |
| <dt> | |
| -f | |
| </dt> | |
| <dd> | |
| <p> | |
| Pass the <tt>--no-reuse-object</tt> option to <tt>git-pack-objects</tt>, see | |
| <a href="git-pack-objects.html">git-pack-objects(1)</a>. | |
| </p> | |
| </dd> | |
| <dt> | |
| -q | |
| </dt> | |
| <dd> | |
| <p> | |
| Pass the <tt>-q</tt> option to <em>git-pack-objects</em>. See | |
| <a href="git-pack-objects.html">git-pack-objects(1)</a>. | |
| </p> | |
| </dd> | |
| <dt> | |
| -n | |
| </dt> | |
| <dd> | |
| <p> | |
| Do not update the server information with | |
| <em>git-update-server-info</em>. This option skips | |
| updating local catalog files needed to publish | |
| this repository (or a direct copy of it) | |
| over HTTP or FTP. See <a href="git-update-server-info.html">git-update-server-info(1)</a>. | |
| </p> | |
| </dd> | |
| <dt> | |
| --window=[N] | |
| </dt> | |
| <dt> | |
| --depth=[N] | |
| </dt> | |
| <dd> | |
| <p> | |
| These two options affect how the objects contained in the pack are | |
| stored using delta compression. The objects are first internally | |
| sorted by type, size and optionally names and compared against the | |
| other objects within <tt>--window</tt> to see if using delta compression saves | |
| space. <tt>--depth</tt> limits the maximum delta depth; making it too deep | |
| affects the performance on the unpacker side, because delta data needs | |
| to be applied that many times to get to the necessary object. | |
| The default value for --window is 10 and --depth is 50. | |
| </p> | |
| </dd> | |
| <dt> | |
| --window-memory=[N] | |
| </dt> | |
| <dd> | |
| <p> | |
| This option provides an additional limit on top of <tt>--window</tt>; | |
| the window size will dynamically scale down so as to not take | |
| up more than N bytes in memory. This is useful in | |
| repositories with a mix of large and small objects to not run | |
| out of memory with a large window, but still be able to take | |
| advantage of the large window for the smaller objects. The | |
| size can be suffixed with "k", "m", or "g". | |
| <tt>--window-memory=0</tt> makes memory usage unlimited, which is the | |
| default. | |
| </p> | |
| </dd> | |
| <dt> | |
| --max-pack-size=<n> | |
| </dt> | |
| <dd> | |
| <p> | |
| Maximum size of each output packfile, expressed in MiB. | |
| If specified, multiple packfiles may be created. | |
| The default is unlimited. | |
| </p> | |
| </dd> | |
| </dl></div> | |
| </div> | |
| <h2 id="_configuration">Configuration</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p>When configuration variable <tt>repack.UseDeltaBaseOffset</tt> is set | |
| for the repository, the command passes <tt>--delta-base-offset</tt> | |
| option to <em>git-pack-objects</em>; this typically results in slightly | |
| smaller packs, but the generated packs are incompatible with | |
| versions of git older than (and including) v1.4.3; do not set | |
| the variable in a repository that older version of git needs to | |
| be able to read (this includes repositories from which packs can | |
| be copied out over http or rsync, and people who obtained packs | |
| that way can try to use older git with it).</p></div> | |
| </div> | |
| <h2 id="_author">Author</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p>Written by Linus Torvalds <torvalds@osdl.org></p></div> | |
| </div> | |
| <h2 id="_documentation">Documentation</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p>Documentation by Ryan Anderson <ryan@michonline.com></p></div> | |
| </div> | |
| <h2 id="_see_also">SEE ALSO</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p><a href="git-pack-objects.html">git-pack-objects(1)</a> | |
| <a href="git-prune-packed.html">git-prune-packed(1)</a></p></div> | |
| </div> | |
| <h2 id="_git">GIT</h2> | |
| <div class="sectionbody"> | |
| <div class="para"><p>Part of the <a href="git.html">git(1)</a> suite</p></div> | |
| </div> | |
| <div id="footer"> | |
| <div id="footer-text"> | |
| Last updated 2009-02-14 08:18:32 UTC | |
| </div> | |
| </div> | |
| </body> | |
| </html> |