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GIT-REPACK(1)				    Git Manual				    GIT-REPACK(1)

NAME
       git-repack - Pack unpacked objects in a repository

SYNOPSIS
       git repack [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [--window=<n>] [--depth=<n>]

DESCRIPTION
       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.

       A pack is a collection of objects, individually compressed, with delta compression
       applied, stored in a single file, with an associated index file.

       Packs are used to reduce the load on mirror systems, backup engines, disk storage, etc.

OPTIONS
       -a
	   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. Use with -d. This will clean up the objects that git prune leaves behind,
	   but git fsck --full --dangling shows as dangling.

	   Note that users fetching over dumb protocols will have to fetch the whole new pack in
	   order to get any contained object, no matter how many other objects in that pack they
	   already have locally.

       -A
	   Same as -a, unless -d 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 git gc invocation. See git-gc(1).

       -d
	   After packing, if the newly created packs make some existing packs redundant, remove
	   the redundant packs. Also run git prune-packed to remove redundant loose object files.

       -l
	   Pass the --local option to git pack-objects. See git-pack-objects(1).

       -f
	   Pass the --no-reuse-delta option to git-pack-objects, see git-pack-objects(1).

       -F
	   Pass the --no-reuse-object option to git-pack-objects, see git-pack-objects(1).

       -q
	   Pass the -q option to git pack-objects. See git-pack-objects(1).

       -n
	   Do not update the server information with git update-server-info. This option skips
	   updating local catalog files needed to publish this repository (or a direct copy of
	   it) over HTTP or FTP. See git-update-server-info(1).

       --window=<n>, --depth=<n>
	   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 --window to see if using delta
	   compression saves space.  --depth 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.

       --window-memory=<n>
	   This option provides an additional limit on top of --window; 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".  --window-memory=0
	   makes memory usage unlimited, which is the default.

       --max-pack-size=<n>
	   Maximum size of each output pack file. The size can be suffixed with "k", "m", or "g".
	   The minimum size allowed is limited to 1 MiB. If specified, multiple packfiles may be
	   created. The default is unlimited, unless the config variable pack.packSizeLimit is
	   set.

CONFIGURATION
       By default, the command passes --delta-base-offset option to git pack-objects; this
       typically results in slightly smaller packs, but the generated packs are incompatible with
       versions of Git older than version 1.4.4. If you need to share your repository with such
       ancient Git versions, either directly or via the dumb http or rsync protocol, then you
       need to set the configuration variable repack.UseDeltaBaseOffset to "false" and repack.
       Access from old Git versions over the native protocol is unaffected by this option as the
       conversion is performed on the fly as needed in that case.

SEE ALSO
       git-pack-objects(1) git-prune-packed(1)

GIT
       Part of the git(1) suite

Git 1.8.3.1				    06/10/2014				    GIT-REPACK(1)
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