b6945f570a
When configuration variable `repack.UseDeltaBaseOffset` is set for the repository, 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 (and including) v1.4.3. We will make it default to true sometime in the future, but not for a while. Signed-off-by: Junio C Hamano <junkio@cox.net>
100 lines
2.7 KiB
Plaintext
100 lines
2.7 KiB
Plaintext
git-repack(1)
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=============
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NAME
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----
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git-repack - Script used to pack a repository from a collection of
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objects into pack files.
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SYNOPSIS
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--------
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'git-repack' [-a] [-d] [-f] [-l] [-n] [-q] [--window=N] [--depth=N]
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DESCRIPTION
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-----------
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This script is used to combine all objects that do not currently
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reside in a "pack", into a pack.
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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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pack everything available into a single pack.
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Especially useful when packing a repository that is used
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for a private development and there no need to worry
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about people fetching via dumb protocols from it. Use
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with '-d'.
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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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Also runs gitlink:git-prune-packed[1].
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-l::
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Pass the `--local` option to `git pack-objects`, see
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gitlink:git-pack-objects[1].
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-f::
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Pass the `--no-reuse-delta` option to `git pack-objects`, see
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gitlink:git-pack-objects[1].
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-q::
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Pass the `-q` option to `git pack-objects`, see
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gitlink:git-pack-objects[1].
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-n::
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Do not update the server information with
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`git update-server-info`.
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--window=[N], --depth=[N]::
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These two options affects how the objects contained in the pack are
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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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Configuration
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-------------
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When configuration variable `repack.UseDeltaBaseOffset` is set
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for the repository, the command passes `--delta-base-offset`
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option to `git-pack-objects`; this typically results in slightly
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smaller packs, but the generated packs are incompatible with
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versions of git older than (and including) v1.4.3; do not set
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the variable in a repository that older version of git needs to
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be able to read (this includes repositories from which packs can
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be copied out over http or rsync, and people who obtained packs
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that way can try to use older git with it).
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Author
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------
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Written by Linus Torvalds <torvalds@osdl.org>
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Documentation
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--------------
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Documentation by Ryan Anderson <ryan@michonline.com>
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See Also
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--------
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gitlink:git-pack-objects[1]
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gitlink:git-prune-packed[1]
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GIT
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---
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Part of the gitlink:git[7] suite
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