git-patch-id(1) - phpMan

GIT-PATCH-ID(1)                             Git Manual                            GIT-PATCH-ID(1)



NAME
       git-patch-id - Compute unique ID for a patch

SYNOPSIS
       git patch-id < <patch>


DESCRIPTION
       A "patch ID" is nothing but a SHA1 of the diff associated with a patch, with whitespace
       and line numbers ignored. As such, it's "reasonably stable", but at the same time also
       reasonably unique, i.e., two patches that have the same "patch ID" are almost guaranteed
       to be the same thing.

       IOW, you can use this thing to look for likely duplicate commits.

       When dealing with git diff-tree output, it takes advantage of the fact that the patch is
       prefixed with the object name of the commit, and outputs two 40-byte hexadecimal strings.
       The first string is the patch ID, and the second string is the commit ID. This can be used
       to make a mapping from patch ID to commit ID.


OPTIONS
       <patch>
           The diff to create the ID of.

AUTHOR
       Written by Linus Torvalds <torvalds AT osdl.org[1]>


DOCUMENTATION
       Documentation by Junio C Hamano and the git-list <git AT vger.org[2]>.


GIT
       Part of the git(1) suite


NOTES
        1. torvalds AT osdl.org
           mailto:torvalds AT osdl.org

        2. git AT vger.org
           mailto:git AT vger.org



Git 1.7.1.1                                 06/30/2010                            GIT-PATCH-ID(1)

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