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88a09a557c
show-index is capable of reading any possible index file whether or not the index is inside a repository. However, because our index files lack metadata about the hash algorithm in use, it's not possible to autodetect the algorithm that a particular index file is using. In order to allow us to read index files of any algorithm, let's set up the .git directory gently so that we default to the algorithm for the current repository, and add an --object-format option to allow users to override this setting and continue to run show-index outside of a repository altogether. Let's also document this new option so that people can find it and use it. Signed-off-by: brian m. carlson <sandals@crustytoothpaste.net> Signed-off-by: Junio C Hamano <gitster@pobox.com>
51 lines
1.4 KiB
Plaintext
51 lines
1.4 KiB
Plaintext
git-show-index(1)
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=================
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NAME
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----
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git-show-index - Show packed archive index
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SYNOPSIS
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--------
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[verse]
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'git show-index' [--object-format=<hash-algorithm>]
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DESCRIPTION
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-----------
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Read the `.idx` file for a Git packfile (created with
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linkgit:git-pack-objects[1] or linkgit:git-index-pack[1]) from the
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standard input, and dump its contents. The output consists of one object
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per line, with each line containing two or three space-separated
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columns:
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- the first column is the offset in bytes of the object within the
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corresponding packfile
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- the second column is the object id of the object
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- if the index version is 2 or higher, the third column contains the
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CRC32 of the object data
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The objects are output in the order in which they are found in the index
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file, which should be (in a correctly constructed file) sorted by object
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id.
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Note that you can get more information on a packfile by calling
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linkgit:git-verify-pack[1]. However, as this command considers only the
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index file itself, it's both faster and more flexible.
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OPTIONS
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-------
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--object-format=<hash-algorithm>::
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Specify the given object format (hash algorithm) for the index file. The
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valid values are 'sha1' and (if enabled) 'sha256'. The default is the
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algorithm for the current repository (set by `extensions.objectFormat`), or
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'sha1' if no value is set or outside a repository..
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GIT
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---
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Part of the linkgit:git[1] suite
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