builtin-prune: memory diet.

diff --git a/commit.h b/commit.h
index 70a7c75e6590ae7f8eef50f91a495fc6138fda4a..936f8fce301672b5b78352a217403cc319ab3f07 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -11,6 +11,7 @@ struct commit_list {
 
 struct commit {
        struct object object;
+       void *util;
        unsigned long date;
        struct commit_list *parents;
        struct tree *tree;
@@ -45,10 +46,13 @@ enum cmit_fmt {
        CMIT_FMT_FULL,
        CMIT_FMT_FULLER,
        CMIT_FMT_ONELINE,
+       CMIT_FMT_EMAIL,
+
+       CMIT_FMT_UNSPECIFIED,
 };
 
 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);
+extern unsigned long pretty_print_commit(enum cmit_fmt fmt, const struct commit *, unsigned long len, char *buf, unsigned long space, int abbrev, const char *subject, const char *after_subject, int relative_date);
 
 /** Removes the first commit from a list sorted by date, and adds all
  * of its parents.
@@ -65,15 +69,50 @@ int count_parents(struct commit * commit);
 /*
  * Performs an in-place topological sort of list supplied.
  *
- * Pre-conditions:
+ * Pre-conditions for sort_in_topological_order:
  *   all commits in input list and all parents of those
  *   commits must have object.util == NULL
- *        
- * Post-conditions: 
+ *
+ * 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);
+
+struct commit_graft {
+       unsigned char sha1[20];
+       int nr_parent; /* < 0 if shallow commit */
+       unsigned char parent[FLEX_ARRAY][20]; /* more */
+};
+
+struct commit_graft *read_graft_line(char *buf, int len);
+int register_commit_graft(struct commit_graft *, int);
+int read_graft_file(const char *graft_file);
+
+extern struct commit_list *get_merge_bases(struct commit *rev1, struct commit *rev2, int cleanup);
+
+extern int register_shallow(const unsigned char *sha1);
+extern int unregister_shallow(const unsigned char *sha1);
+extern int write_shallow_commits(int fd, int use_pack_protocol);
+extern int is_repository_shallow();
+extern struct commit_list *get_shallow_commits(struct object_array *heads,
+               int depth, int shallow_flag, int not_shallow_flag);
+
+int in_merge_bases(struct commit *rev1, struct commit *rev2);
 #endif /* COMMIT_H */