diff.c: respect diff.renames config option
diff.renames is mentioned several times in the documentation,
but to my surprise it didn't do anything before this patch.
Also add the --no-renames option to override this from the
command-line.
Signed-off-by: Eric Wong <normalperson@yhbt.net>
Signed-off-by: Junio C Hamano <junkio@cox.net>
diff --git a/Documentation/config.txt b/Documentation/config.txt
index f075f19..5290a8f 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -114,6 +114,11 @@
The number of files to consider when performing the copy/rename
detection; equivalent to the git diff option '-l'.
+diff.renames::
+ Tells git to detect renames. If set to any boolean value, it
+ will enable basic rename detection. If set to "copies" or
+ "copy", it will detect copies, as well.
+
format.headers::
Additional email headers to include in a patch to be submitted
by mail. See gitlink:git-format-patch[1].
