extern int fmt_merge_msg(int merge_summary, struct strbuf *in,
struct strbuf *out);
extern int fmt_merge_msg_shortlog(struct strbuf *in, struct strbuf *out);
-extern int commit_tree(const char *msg, unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
- const char *author);
extern int commit_notes(struct notes_tree *t, const char *msg);
struct notes_rewrite_cfg {