struct commit_graft *lookup_commit_graft(const unsigned char *sha1);
extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
+extern struct commit_list *get_merge_bases_many(struct commit *one, int n, struct commit **twos, int cleanup);
extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
extern int register_shallow(const unsigned char *sha1);
int in_merge_bases(struct commit *, struct commit **, int);
extern int interactive_add(int argc, const char **argv, const char *prefix);
-extern int rerere(void);
static inline int single_parent(struct commit *commit)
{