do not search functions for patch ID

Visual aids, such as the function name in the hunk
header, are not necessary for the purposes of
computing a patch ID.

This is a performance optimization.

Signed-off-by: Clemens Buchacher <drizzd@aon.at>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/diff.c b/diff.c
index 19b5bf63ed37aa49c00e63f7aec621ce601b6daa..6dbb4b40fa7eccff62129368ea1a59f9b29fdb83 100644 (file)
--- a/diff.c
+++ b/diff.c
@@ -3768,7 +3768,7 @@ static int diff_get_patch_id(struct diff_options *options, unsigned char *sha1)
 
                xpp.flags = 0;
                xecfg.ctxlen = 3;
-               xecfg.flags = XDL_EMIT_FUNCNAMES;
+               xecfg.flags = 0;
                xdi_diff_outf(&mf1, &mf2, patch_id_consume, &data,
                              &xpp, &xecfg);
        }