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>

1 files changed, 1 insertions, 1 deletions

diff --git a/diff.c b/diff.c
index 19b5bf63ed..6dbb4b40fa 100644
--- 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);
 	}