Add for_each_commit_graft() to iterate all grafts

Signed-off-by: Nguyễn Thái Ngọc Duy <pclouds@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/commit.h b/commit.h
index a2d571b974..9bf3fefea2 100644
--- a/commit.h
+++ b/commit.h
@@ -142,6 +142,7 @@ struct commit_graft {
 	int nr_parent; /* < 0 if shallow commit */
 	unsigned char parent[FLEX_ARRAY][20]; /* more */
 };
+typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
 
 struct commit_graft *read_graft_line(char *buf, int len);
 int register_commit_graft(struct commit_graft *, int);
@@ -154,6 +155,7 @@ extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
 extern int register_shallow(const unsigned char *sha1);
 extern int unregister_shallow(const unsigned char *sha1);
 extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
+extern int for_each_commit_graft(each_commit_graft_fn, void *);
 extern int is_repository_shallow(void);
 extern struct commit_list *get_shallow_commits(struct object_array *heads,
 		int depth, int shallow_flag, int not_shallow_flag);