extern const char *commit_type;
-struct commit *lookup_commit(unsigned char *sha1);
-struct commit *lookup_commit_reference(unsigned char *sha1);
+struct commit *lookup_commit(const unsigned char *sha1);
+struct commit *lookup_commit_reference(const unsigned char *sha1);
+struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
+ int quiet);
int parse_commit_buffer(struct commit *item, void *buffer, unsigned long size);
int parse_commit(struct commit *item);
-void commit_list_insert(struct commit *item, struct commit_list **list_p);
+struct commit_list * commit_list_insert(struct commit *item, struct commit_list **list_p);
+struct commit_list * insert_by_date(struct commit *item, struct commit_list **list);
void free_commit_list(struct commit_list *list);
void sort_by_date(struct commit_list **list);
+/* Commit formats */
+enum cmit_fmt {
+ CMIT_FMT_RAW,
+ CMIT_FMT_MEDIUM,
+ CMIT_FMT_DEFAULT = CMIT_FMT_MEDIUM,
+ CMIT_FMT_SHORT,
+ CMIT_FMT_FULL,
+ CMIT_FMT_ONELINE,
+};
+
+extern enum cmit_fmt get_commit_format(const char *arg);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const char *msg, unsigned long len, char *buf, unsigned long space);
+
/** Removes the first commit from a list sorted by date, and adds all
* of its parents.
**/
struct commit *pop_most_recent_commit(struct commit_list **list,
unsigned int mark);
+struct commit *pop_commit(struct commit_list **stack);
+
+int count_parents(struct commit * commit);
+
+/*
+ * Performs an in-place topological sort of list supplied.
+ *
+ * Pre-conditions:
+ * all commits in input list and all parents of those
+ * commits must have object.util == NULL
+ *
+ * Post-conditions:
+ * invariant of resulting list is:
+ * a reachable from b => ord(b) < ord(a)
+ */
+void sort_in_topological_order(struct commit_list ** list);
#endif /* COMMIT_H */