ui-patch.c: Fix formatting for merge commits

Add max_parents = 1 to the revision walk in order to make sure we do not
include the footer signature twice for merge commits.

Signed-off-by: Lukas Fleischer <cgit@cryptocrack.de>

1 file changed, 1 insertion, 0 deletions

diff --git a/ui-patch.c b/ui-patch.c
index 1dbb39d..4d35167 100644
--- a/ui-patch.c
+++ b/ui-patch.c
@@ -72,6 +72,7 @@ void cgit_print_patch(const char *new_rev, const char *old_rev,
 	rev.verbose_header = 1;
 	rev.diff = 1;
 	rev.show_root_diff = 1;
+	rev.max_parents = 1;
 	rev.diffopt.output_format |= DIFF_FORMAT_PATCH;
 	setup_revisions(ARRAY_SIZE(rev_argv), (const char **)rev_argv, &rev,
 			NULL);