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| <title>git-pack-refs(1)</title> | |
| </head> | |
| <body> | |
| <div id="header"> | |
| <h1> | |
| git-pack-refs(1) Manual Page | |
| </h1> | |
| <h2>NAME</h2> | |
| <div class="sectionbody"> | |
| <p>git-pack-refs - | |
| Pack heads and tags for efficient repository access | |
| </p> | |
| </div> | |
| </div> | |
| <h2>SYNOPSIS</h2> | |
| <div class="sectionbody"> | |
| <p><em>git-pack-refs</em> [--all] [--no-prune]</p> | |
| </div> | |
| <h2>DESCRIPTION</h2> | |
| <div class="sectionbody"> | |
| <p>Traditionally, tips of branches and tags (collectively known as | |
| <em>refs</em>) were stored one file per ref under <tt>$GIT_DIR/refs</tt> | |
| directory. While many branch tips tend to be updated often, | |
| most tags and some branch tips are never updated. When a | |
| repository has hundreds or thousands of tags, this | |
| one-file-per-ref format both wastes storage and hurts | |
| performance.</p> | |
| <p>This command is used to solve the storage and performance | |
| problem by stashing the refs in a single file, | |
| <tt>$GIT_DIR/packed-refs</tt>. When a ref is missing from the | |
| traditional <tt>$GIT_DIR/refs</tt> hierarchy, it is looked up in this | |
| file and used if found.</p> | |
| <p>Subsequent updates to branches always creates new file under | |
| <tt>$GIT_DIR/refs</tt> hierarchy.</p> | |
| <p>A recommended practice to deal with a repository with too many | |
| refs is to pack its refs with <tt>--all --prune</tt> once, and | |
| occasionally run <tt>git-pack-refs --prune</tt>. Tags are by | |
| definition stationary and are not expected to change. Branch | |
| heads will be packed with the initial <tt>pack-refs --all</tt>, but | |
| only the currently active branch heads will become unpacked, | |
| and next <tt>pack-refs</tt> (without <tt>--all</tt>) will leave them | |
| unpacked.</p> | |
| </div> | |
| <h2>OPTIONS</h2> | |
| <div class="sectionbody"> | |
| <dl> | |
| <dt> | |
| --all | |
| </dt> | |
| <dd> | |
| <p> | |
| The command by default packs all tags and refs that are already | |
| packed, and leaves other refs | |
| alone. This is because branches are expected to be actively | |
| developed and packing their tips does not help performance. | |
| This option causes branch tips to be packed as well. Useful for | |
| a repository with many branches of historical interests. | |
| </p> | |
| </dd> | |
| <dt> | |
| --no-prune | |
| </dt> | |
| <dd> | |
| <p> | |
| The command usually removes loose refs under <tt>$GIT_DIR/refs</tt> | |
| hierarchy after packing them. This option tells it not to. | |
| </p> | |
| </dd> | |
| </dl> | |
| </div> | |
| <h2>Author</h2> | |
| <div class="sectionbody"> | |
| <p>Written by Linus Torvalds <torvalds@osdl.org></p> | |
| </div> | |
| <h2>GIT</h2> | |
| <div class="sectionbody"> | |
| <p>Part of the <a href="git.html">git(7)</a> suite</p> | |
| </div> | |
| <div id="footer"> | |
| <div id="footer-text"> | |
| Last updated 14-Nov-2007 12:11:40 UTC | |
| </div> | |
| </div> | |
| </body> | |
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