2005-09-08 02:26:23 +02:00
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git-repack(1)
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=============
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2005-08-16 00:48:47 +02:00
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NAME
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----
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2007-01-19 00:53:37 +01:00
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git-repack - Pack unpacked objects in a repository
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2005-08-16 00:48:47 +02:00
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SYNOPSIS
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--------
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2011-07-02 04:38:26 +02:00
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[verse]
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2010-10-22 02:16:04 +02:00
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'git repack' [-a] [-A] [-d] [-f] [-F] [-l] [-n] [-q] [--window=<n>] [--depth=<n>]
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2005-08-16 00:48:47 +02:00
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DESCRIPTION
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-----------
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2005-08-30 02:21:06 +02:00
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This script is used to combine all objects that do not currently
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2007-08-24 02:44:13 +02:00
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reside in a "pack", into a pack. It can also be used to re-organize
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2007-06-30 10:56:12 +02:00
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existing packs into a single, more efficient pack.
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2005-08-30 02:21:06 +02:00
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A pack is a collection of objects, individually compressed, with
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delta compression applied, stored in a single file, with an
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associated index file.
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Packs are used to reduce the load on mirror systems, backup
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engines, disk storage, etc.
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OPTIONS
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-------
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-a::
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Instead of incrementally packing the unpacked objects,
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2007-06-30 10:56:12 +02:00
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pack everything referenced into a single pack.
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2005-08-30 02:21:06 +02:00
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Especially useful when packing a repository that is used
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2009-06-09 18:15:47 +02:00
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for private development. Use
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2007-06-30 10:56:12 +02:00
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with '-d'. This will clean up the objects that `git prune`
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2012-02-28 23:55:39 +01:00
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leaves behind, but `git fsck --full --dangling` shows as
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2007-06-30 10:56:12 +02:00
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dangling.
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2009-06-09 18:15:47 +02:00
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+
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Note that users fetching over dumb protocols will have to fetch the
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whole new pack in order to get any contained object, no matter how many
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other objects in that pack they already have locally.
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2005-08-30 02:21:06 +02:00
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2008-05-16 04:37:31 +02:00
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-A::
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2008-11-13 21:11:46 +01:00
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Same as `-a`, unless '-d' is used. Then any unreachable
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objects in a previous pack become loose, unpacked objects,
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instead of being left in the old pack. Unreachable objects
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are never intentionally added to a pack, even when repacking.
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This option prevents unreachable objects from being immediately
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2008-05-16 04:37:31 +02:00
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deleted by way of being left in the old pack and then
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removed. Instead, the loose unreachable objects
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will be pruned according to normal expiry rules
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2010-01-10 00:33:00 +01:00
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with the next 'git gc' invocation. See linkgit:git-gc[1].
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2008-05-16 04:37:31 +02:00
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2005-08-30 02:21:06 +02:00
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-d::
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After packing, if the newly created packs make some
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existing packs redundant, remove the redundant packs.
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2010-01-10 00:33:00 +01:00
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Also run 'git prune-packed' to remove redundant
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2008-06-30 20:56:34 +02:00
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loose object files.
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2005-08-16 00:48:47 +02:00
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2005-12-09 00:28:05 +01:00
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-l::
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2010-01-10 00:33:00 +01:00
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Pass the `--local` option to 'git pack-objects'. See
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2007-12-29 07:20:38 +01:00
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linkgit:git-pack-objects[1].
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2005-12-09 00:28:05 +01:00
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2006-02-16 20:57:18 +01:00
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-f::
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2010-09-27 14:19:36 +02:00
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Pass the `--no-reuse-delta` option to `git-pack-objects`, see
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linkgit:git-pack-objects[1].
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-F::
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2008-09-19 15:43:48 +02:00
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Pass the `--no-reuse-object` option to `git-pack-objects`, see
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2007-12-29 07:20:38 +01:00
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linkgit:git-pack-objects[1].
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2006-02-16 20:57:18 +01:00
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-q::
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2010-01-10 00:33:00 +01:00
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Pass the `-q` option to 'git pack-objects'. See
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2007-12-29 07:20:38 +01:00
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linkgit:git-pack-objects[1].
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2006-02-16 20:57:18 +01:00
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2005-12-09 00:28:05 +01:00
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-n::
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2008-05-22 14:47:19 +02:00
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Do not update the server information with
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2010-01-10 00:33:00 +01:00
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'git update-server-info'. This option skips
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2008-05-22 14:47:19 +02:00
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updating local catalog files needed to publish
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this repository (or a direct copy of it)
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2008-07-03 06:54:38 +02:00
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over HTTP or FTP. See linkgit:git-update-server-info[1].
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2005-08-16 00:48:47 +02:00
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2010-10-08 19:31:15 +02:00
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--window=<n>::
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--depth=<n>::
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2006-10-06 11:15:03 +02:00
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These two options affect how the objects contained in the pack are
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2006-09-17 13:02:59 +02:00
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stored using delta compression. The objects are first internally
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sorted by type, size and optionally names and compared against the
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other objects within `--window` to see if using delta compression saves
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space. `--depth` limits the maximum delta depth; making it too deep
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affects the performance on the unpacker side, because delta data needs
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to be applied that many times to get to the necessary object.
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2007-05-08 15:28:26 +02:00
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The default value for --window is 10 and --depth is 50.
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2006-09-17 13:02:59 +02:00
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2010-10-08 19:31:15 +02:00
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--window-memory=<n>::
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2007-07-12 14:55:52 +02:00
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This option provides an additional limit on top of `--window`;
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the window size will dynamically scale down so as to not take
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2010-10-08 19:31:15 +02:00
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up more than '<n>' bytes in memory. This is useful in
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2007-07-12 14:55:52 +02:00
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repositories with a mix of large and small objects to not run
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out of memory with a large window, but still be able to take
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advantage of the large window for the smaller objects. The
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size can be suffixed with "k", "m", or "g".
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`--window-memory=0` makes memory usage unlimited, which is the
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default.
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2010-10-08 19:31:15 +02:00
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--max-pack-size=<n>::
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2010-02-04 04:48:28 +01:00
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Maximum size of each output pack file. The size can be suffixed with
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"k", "m", or "g". The minimum size allowed is limited to 1 MiB.
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2007-05-13 21:47:09 +02:00
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If specified, multiple packfiles may be created.
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2010-02-04 04:48:28 +01:00
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The default is unlimited, unless the config variable
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`pack.packSizeLimit` is set.
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2007-05-13 21:47:09 +02:00
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2006-09-17 13:02:59 +02:00
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2006-10-14 06:28:58 +02:00
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Configuration
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-------------
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2010-02-04 22:19:35 +01:00
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By default, the command passes `--delta-base-offset` option to
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'git pack-objects'; this typically results in slightly smaller packs,
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but the generated packs are incompatible with versions of Git older than
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version 1.4.4. If you need to share your repository with such ancient Git
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versions, either directly or via the dumb http or rsync protocol, then you
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need to set the configuration variable `repack.UseDeltaBaseOffset` to
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"false" and repack. Access from old Git versions over the native protocol
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is unaffected by this option as the conversion is performed on the fly
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as needed in that case.
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2006-10-14 06:28:58 +02:00
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2008-05-29 01:55:27 +02:00
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SEE ALSO
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2005-08-16 00:48:47 +02:00
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--------
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2007-12-29 07:20:38 +01:00
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linkgit:git-pack-objects[1]
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linkgit:git-prune-packed[1]
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2005-08-16 00:48:47 +02:00
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GIT
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---
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2008-06-06 09:07:32 +02:00
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Part of the linkgit:git[1] suite
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