Document git-patch-id a bit better.

Pavel Roskin wondered what the SHA1 output at the beginning of
git-diff-tree was about.  The only consumer of that information
so far is this git-patch-id command, which was inadequately
documented.

Signed-off-by: Junio C Hamano <junkio@cox.net>
This commit is contained in:
Junio C Hamano 2005-10-28 02:39:56 -07:00
parent 6d0de319d6
commit a77a922212

View File

@ -18,6 +18,12 @@ ID" are almost guaranteed to be the same thing.
IOW, you can use this thing to look for likely duplicate commits. 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 string. 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 OPTIONS
------- -------
<patch>:: <patch>::