struct commit_list *reduce_heads(struct commit_list *heads);
+struct commit_extra_header {
+ struct commit_extra_header *next;
+ char *key;
+ char *value;
+ size_t len;
+};
+
+extern void append_merge_tag_headers(struct commit_list *parents,
+ struct commit_extra_header ***tail);
+
extern int commit_tree(const char *msg, unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
- const char *author);
+ struct commit_list *parents, unsigned char *ret,
+ const char *author);
+
+extern int commit_tree_extended(const char *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author,
+ struct commit_extra_header *);
+
+extern struct commit_extra_header *read_commit_extra_headers(struct commit *);
+extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len);
+
+extern void free_commit_extra_headers(struct commit_extra_header *extra);
struct merge_remote_desc {
struct object *obj; /* the named object, could be a tag */