patch-ids: make commit_patch_id() a public helper function
Make commit_patch_id() available to other builtins.
Signed-off-by: Xiaolong Ye <xiaolong.ye@intel.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
diff --git a/patch-ids.c b/patch-ids.c
index b7b3e5a..a4d0016 100644
--- a/patch-ids.c
+++ b/patch-ids.c
@@ -4,7 +4,7 @@
#include "sha1-lookup.h"
#include "patch-ids.h"
-static int commit_patch_id(struct commit *commit, struct diff_options *options,
+int commit_patch_id(struct commit *commit, struct diff_options *options,
unsigned char *sha1)
{
if (commit->parents)