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80 lines
2.4 KiB
80 lines
2.4 KiB
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 the 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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