b807770924
To prevent a race condition between `index-pack --stdin` and `repack -a -d` where the repack deletes the newly created pack file before any refs are updated to reference objects contained within it we mark the pack file as one that should be kept. This removes it from the list of packs that `repack -a -d` will consider for removal. Callers such as `receive-pack` which want to invoke `index-pack` should use this new --keep option to prevent the newly created pack and index file pair from being deleted before they have finished any related ref updates. Only after all ref updates have been finished should the associated .keep file be removed. Signed-off-by: Shawn O. Pearce <spearce@spearce.org> Signed-off-by: Junio C Hamano <junkio@cox.net>
84 lines
2.5 KiB
Plaintext
84 lines
2.5 KiB
Plaintext
git-index-pack(1)
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=================
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NAME
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----
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git-index-pack - Build pack index file for an existing packed archive
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SYNOPSIS
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--------
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'git-index-pack' [-v] [-o <index-file>] <pack-file>
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'git-index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>] [<pack-file>]
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DESCRIPTION
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-----------
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Reads a packed archive (.pack) from the specified file, and
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builds a pack index file (.idx) for it. The packed archive
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together with the pack index can then be placed in the
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objects/pack/ directory of a git repository.
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OPTIONS
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-------
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-v::
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Be verbose about what is going on, including progress status.
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-o <index-file>::
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Write the generated pack index into the specified
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file. Without this option the name of pack index
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file is constructed from the name of packed archive
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file by replacing .pack with .idx (and the program
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fails if the name of packed archive does not end
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with .pack).
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--stdin::
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When this flag is provided, the pack is read from stdin
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instead and a copy is then written to <pack-file>. If
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<pack-file> is not specified, the pack is written to
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objects/pack/ directory of the current git repository with
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a default name determined from the pack content. If
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<pack-file> is not specified consider using --keep to
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prevent a race condition between this process and
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gitlink::git-repack[1] .
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--fix-thin::
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It is possible for gitlink:git-pack-objects[1] to build
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"thin" pack, which records objects in deltified form based on
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objects not included in the pack to reduce network traffic.
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Those objects are expected to be present on the receiving end
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and they must be included in the pack for that pack to be self
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contained and indexable. Without this option any attempt to
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index a thin pack will fail. This option only makes sense in
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conjunction with --stdin.
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--keep::
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Before moving the index into its final destination
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create an empty .keep file for the associated pack file.
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This option is usually necessary with --stdin to prevent a
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simultaneous gitlink:git-repack[1] process from deleting
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the newly constructed pack and index before refs can be
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updated to use objects contained in the pack.
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--keep='why'::
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Like --keep create a .keep file before moving the index into
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its final destination, but rather than creating an empty file
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place 'why' followed by an LF into the .keep file. The 'why'
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message can later be searched for within all .keep files to
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locate any which have outlived their usefulness.
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Author
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------
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Written by Sergey Vlasov <vsu@altlinux.ru>
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Documentation
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-------------
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Documentation by Sergey Vlasov
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GIT
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---
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Part of the gitlink:git[7] suite
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