X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=commit.h;h=98682b232a2c28a4baa970ec81dfb027c196872f;hb=621c53cc082299eaf69e9f2dc0274547c7d87fb0;hp=f7a2cb88bd457d11fd1dcb17f5fb17b0860c72ba;hpb=bd1e17e245153fdc75feaaf5e556b922d98ca699;p=git.git

diff --git a/commit.h b/commit.h
index f7a2cb88..98682b23 100644
--- a/commit.h
+++ b/commit.h
@@ -17,25 +17,77 @@ struct commit {
 	char *buffer;
 };
 
+extern int save_commit_buffer;
 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_FULLER,
+	CMIT_FMT_ONELINE,
+};
+
+extern enum cmit_fmt get_commit_format(const char *arg);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev);
+
 /** 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);
+
+void clear_commit_marks(struct commit *commit, unsigned int mark);
+
+int count_parents(struct commit * commit);
+
+/*
+ * Performs an in-place topological sort of list supplied.
+ *
+ * Pre-conditions for sort_in_topological_order:
+ *   all commits in input list and all parents of those
+ *   commits must have object.util == NULL
+ *
+ * Pre-conditions for sort_in_topological_order_fn:
+ *   all commits in input list and all parents of those
+ *   commits must have getter(commit) == NULL
+ *
+ * Post-conditions:
+ *   invariant of resulting list is:
+ *      a reachable from b => ord(b) < ord(a)
+ *   in addition, when lifo == 0, commits on parallel tracks are
+ *   sorted in the dates order.
+ */
+
+typedef void (*topo_sort_set_fn_t)(struct commit*, void *data);
+typedef void* (*topo_sort_get_fn_t)(struct commit*);
+
+void topo_sort_default_setter(struct commit *c, void *data);
+void *topo_sort_default_getter(struct commit *c);
+
+void sort_in_topological_order(struct commit_list ** list, int lifo);
+void sort_in_topological_order_fn(struct commit_list ** list, int lifo,
+				  topo_sort_set_fn_t setter,
+				  topo_sort_get_fn_t getter);
 #endif /* COMMIT_H */