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81 lines
2.4 KiB
81 lines
2.4 KiB
20 years ago
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git-pack-objects(1)
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===================
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v0.1, July 2005
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NAME
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----
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git-pack-objects - Create a packed archive of objects.
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SYNOPSIS
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--------
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'git-pack-objects' [--incremental] [--window=N] [--depth=N] {--stdout | base-name} < object-list
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DESCRIPTION
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-----------
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Reads list of objects from the standard input, and writes a packed
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archive with specified base-name, or to the standard output.
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A packed archive is an efficient way to transfer set of objects
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between two repositories, and also is an archival format which
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is efficient to access. The packed archive format (.pack) is
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designed to be unpackable without having anything else, but for
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random access, accompanied with the pack index file (.idx).
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'git-unpack-objects' command can read the packed archive and
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expand the objects contained in the pack into "one-file
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one-object" format; this is typically done by the smart-pull
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commands when a pack is created on-the-fly for efficient network
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transport by their peers.
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Placing both in pack subdirectory of $GIT_OBJECT_DIRECTORY (or
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any of the directories on $GIT_ALTERNATE_OBJECT_DIRECTORIES)
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enables GIT to read from such an archive.
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OPTIONS
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-------
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base-name::
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Write into a pair of files (.pack and .idx), using
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<base-name> to determine the name of the created file.
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When this option is used, the two files are written in
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<base-name>-<SHA1>.{pack,idx} files. <SHA1> is a hash
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of object names (currently in random order so it does
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not have any useful meaning) to make the resulting
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filename reasonably unique, and written to the standard
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output of the command.
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--stdout::
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Write the pack contents (what would have been writtin to
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.pack file) out to the standard output.
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--window and --depth::
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These two options affects how the objects contained in
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the pack are stored using delta compression. The
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objects are first internally sorted by type, size and
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optionally names and compared against the other objects
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within --window to see if using delta compression saves
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space. --depth limits the maximum delta depth; making
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it too deep affects the performance on the unpacker
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side, because delta data needs to be applied that many
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times to get to the necessary object.
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--incremental::
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This flag causes an object already in a pack ignored
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even if it appears in the standard input.
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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 Junio C Hamano
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GIT
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---
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Part of the link:git.html[git] suite
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