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authorVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
committerVincent Ambo <Vincent Ambo>2020-01-11T23·36+0000
commit1b593e1ea4d2af0f6444d9a7788d5d99abd6fde5 (patch)
treee3accb9beed5c4c1b5a05c99db71ab2841f0ed04 /Documentation/git-index-pack.txt
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+git-index-pack(1)
+=================
+
+NAME
+----
+git-index-pack - Build pack index file for an existing packed archive
+
+
+SYNOPSIS
+--------
+[verse]
+'git index-pack' [-v] [-o <index-file>] <pack-file>
+'git index-pack' --stdin [--fix-thin] [--keep] [-v] [-o <index-file>]
+                 [<pack-file>]
+
+
+DESCRIPTION
+-----------
+Reads a packed archive (.pack) from the specified file, and
+builds a pack index file (.idx) for it.  The packed archive
+together with the pack index can then be placed in the
+objects/pack/ directory of a Git repository.
+
+
+OPTIONS
+-------
+-v::
+	Be verbose about what is going on, including progress status.
+
+-o <index-file>::
+	Write the generated pack index into the specified
+	file.  Without this option the name of pack index
+	file is constructed from the name of packed archive
+	file by replacing .pack with .idx (and the program
+	fails if the name of packed archive does not end
+	with .pack).
+
+--stdin::
+	When this flag is provided, the pack is read from stdin
+	instead and a copy is then written to <pack-file>. If
+	<pack-file> is not specified, the pack is written to
+	objects/pack/ directory of the current Git repository with
+	a default name determined from the pack content.  If
+	<pack-file> is not specified consider using --keep to
+	prevent a race condition between this process and
+	'git repack'.
+
+--fix-thin::
+	Fix a "thin" pack produced by `git pack-objects --thin` (see
+	linkgit:git-pack-objects[1] for details) by adding the
+	excluded objects the deltified objects are based on to the
+	pack. This option only makes sense in conjunction with --stdin.
+
+--keep::
+	Before moving the index into its final destination
+	create an empty .keep file for the associated pack file.
+	This option is usually necessary with --stdin to prevent a
+	simultaneous 'git repack' process from deleting
+	the newly constructed pack and index before refs can be
+	updated to use objects contained in the pack.
+
+--keep=<msg>::
+	Like --keep create a .keep file before moving the index into
+	its final destination, but rather than creating an empty file
+	place '<msg>' followed by an LF into the .keep file.  The '<msg>'
+	message can later be searched for within all .keep files to
+	locate any which have outlived their usefulness.
+
+--index-version=<version>[,<offset>]::
+	This is intended to be used by the test suite only. It allows
+	to force the version for the generated pack index, and to force
+	64-bit index entries on objects located above the given offset.
+
+--strict::
+	Die, if the pack contains broken objects or links.
+
+--check-self-contained-and-connected::
+	Die if the pack contains broken links. For internal use only.
+
+--fsck-objects::
+	Die if the pack contains broken objects. For internal use only.
+
+--threads=<n>::
+	Specifies the number of threads to spawn when resolving
+	deltas. This requires that index-pack be compiled with
+	pthreads otherwise this option is ignored with a warning.
+	This is meant to reduce packing time on multiprocessor
+	machines. The required amount of memory for the delta search
+	window is however multiplied by the number of threads.
+	Specifying 0 will cause Git to auto-detect the number of CPU's
+	and use maximum 3 threads.
+
+--max-input-size=<size>::
+	Die, if the pack is larger than <size>.
+
+NOTES
+-----
+
+Once the index has been created, the list of object names is sorted
+and the SHA-1 hash of that list is printed to stdout. If --stdin was
+also used then this is prefixed by either "pack\t", or "keep\t" if a
+new .keep file was successfully created. This is useful to remove a
+.keep file used as a lock to prevent the race with 'git repack'
+mentioned above.
+
+GIT
+---
+Part of the linkgit:git[1] suite