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<div id="header">
<h1>
git-index-pack(1) Manual Page
</h1>
<h2>NAME</h2>
<div class="sectionbody">
<p>git-index-pack -
Build pack index file for an existing packed archive
</p>
</div>
</div>
<div id="content">
<h2 id="_synopsis">SYNOPSIS</h2>
<div class="sectionbody">
<div class="verseblock">
<div class="verseblock-content"><em>git index-pack</em> [-v] [-o <index-file>] <pack-file>
<em>git index-pack</em> --stdin [--fix-thin] [--keep] [-v] [-o <index-file>]
[<pack-file>]</div>
<div class="verseblock-attribution">
</div></div>
</div>
<h2 id="_description">DESCRIPTION</h2>
<div class="sectionbody">
<div class="paragraph"><p>Reads a packed archive (.pack) from the specified file, and
builds a pack index file (.idx) for it. The packed archive
together with the pack index can then be placed in the
objects/pack/ directory of a git repository.</p></div>
</div>
<h2 id="_options">OPTIONS</h2>
<div class="sectionbody">
<div class="dlist"><dl>
<dt class="hdlist1">
-v
</dt>
<dd>
<p>
Be verbose about what is going on, including progress status.
</p>
</dd>
<dt class="hdlist1">
-o <index-file>
</dt>
<dd>
<p>
Write the generated pack index into the specified
file. Without this option the name of pack index
file is constructed from the name of packed archive
file by replacing .pack with .idx (and the program
fails if the name of packed archive does not end
with .pack).
</p>
</dd>
<dt class="hdlist1">
--stdin
</dt>
<dd>
<p>
When this flag is provided, the pack is read from stdin
instead and a copy is then written to <pack-file>. If
<pack-file> is not specified, the pack is written to
objects/pack/ directory of the current git repository with
a default name determined from the pack content. If
<pack-file> is not specified consider using --keep to
prevent a race condition between this process and
<em>git repack</em>.
</p>
</dd>
<dt class="hdlist1">
--fix-thin
</dt>
<dd>
<p>
Fix a "thin" pack produced by <tt>git pack-objects --thin</tt> (see
<a href="git-pack-objects.html">git-pack-objects(1)</a> for details) by adding the
excluded objects the deltified objects are based on to the
pack. This option only makes sense in conjunction with --stdin.
</p>
</dd>
<dt class="hdlist1">
--keep
</dt>
<dd>
<p>
Before moving the index into its final destination
create an empty .keep file for the associated pack file.
This option is usually necessary with --stdin to prevent a
simultaneous <em>git repack</em> process from deleting
the newly constructed pack and index before refs can be
updated to use objects contained in the pack.
</p>
</dd>
<dt class="hdlist1">
--keep=<msg>
</dt>
<dd>
<p>
Like --keep create a .keep file before moving the index into
its final destination, but rather than creating an empty file
place <em><msg></em> followed by an LF into the .keep file. The <em><msg></em>
message can later be searched for within all .keep files to
locate any which have outlived their usefulness.
</p>
</dd>
<dt class="hdlist1">
--index-version=<version>[,<offset>]
</dt>
<dd>
<p>
This is intended to be used by the test suite only. It allows
to force the version for the generated pack index, and to force
64-bit index entries on objects located above the given offset.
</p>
</dd>
<dt class="hdlist1">
--strict
</dt>
<dd>
<p>
Die, if the pack contains broken objects or links.
</p>
</dd>
<dt class="hdlist1">
--threads=<n>
</dt>
<dd>
<p>
Specifies the number of threads to spawn when resolving
deltas. This requires that index-pack be compiled with
pthreads otherwise this option is ignored with a warning.
This is meant to reduce packing time on multiprocessor
machines. The required amount of memory for the delta search
window is however multiplied by the number of threads.
Specifying 0 will cause git to auto-detect the number of CPU’s
and use maximum 3 threads.
</p>
</dd>
</dl></div>
</div>
<h2 id="_note">Note</h2>
<div class="sectionbody">
<div class="paragraph"><p>Once the index has been created, the list of object names is sorted
and the SHA1 hash of that list is printed to stdout. If --stdin was
also used then this is prefixed by either "pack\t", or "keep\t" if a
new .keep file was successfully created. This is useful to remove a
.keep file used as a lock to prevent the race with <em>git repack</em>
mentioned above.</p></div>
</div>
<h2 id="_git">GIT</h2>
<div class="sectionbody">
<div class="paragraph"><p>Part of the <a href="git.html">git(1)</a> suite</p></div>
</div>
</div>
<div id="footnotes"><hr /></div>
<div id="footer">
<div id="footer-text">
Last updated 2012-05-17 15:54:44 PDT
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