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a6080a0a44
This uses "git-apply --whitespace=strip" to fix whitespace errors that have crept in to our source files over time. There are a few files that need to have trailing whitespaces (most notably, test vectors). The results still passes the test, and build result in Documentation/ area is unchanged. Signed-off-by: Junio C Hamano <gitster@pobox.com>
42 lines
1.1 KiB
Text
42 lines
1.1 KiB
Text
git-patch-id(1)
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===============
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NAME
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----
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git-patch-id - Compute unique ID for a patch
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SYNOPSIS
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--------
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'git-patch-id' < <patch>
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DESCRIPTION
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-----------
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A "patch ID" is nothing but a SHA1 of the diff associated with a patch, with
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whitespace and line numbers ignored. As such, it's "reasonably stable", but at
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the same time also reasonably unique, i.e., two patches that have the same "patch
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ID" are almost guaranteed to be the same thing.
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IOW, you can use this thing to look for likely duplicate commits.
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When dealing with git-diff-tree output, it takes advantage of
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the fact that the patch is prefixed with the object name of the
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commit, and outputs two 40-byte hexadecimal string. The first
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string is the patch ID, and the second string is the commit ID.
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This can be used to make a mapping from patch ID to commit ID.
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OPTIONS
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-------
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<patch>::
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The diff to create the ID of.
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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 and the git-list <git@vger.kernel.org>.
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GIT
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---
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Part of the gitlink:git[7] suite
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