int quiet);
struct commit *lookup_commit_reference_by_name(const char *name);
+/*
+ * Look up object named by "sha1", dereference tag as necessary,
+ * get a commit and return it. If "sha1" does not dereference to
+ * a commit, use ref_name to report an error and die.
+ */
+struct commit *lookup_commit_or_die(const unsigned char *sha1, const char *ref_name);
+
int parse_commit_buffer(struct commit *item, const void *buffer, unsigned long size);
int parse_commit(struct commit *item);
struct commit *pop_commit(struct commit_list **stack);
void clear_commit_marks(struct commit *commit, unsigned int mark);
+void clear_commit_marks_for_object_array(struct object_array *a, unsigned mark);
/*
* Performs an in-place topological sort of list supplied.
struct commit_list *reduce_heads(struct commit_list *heads);
+struct commit_extra_header {
+ struct commit_extra_header *next;
+ char *key;
+ char *value;
+ size_t len;
+};
+
+extern void append_merge_tag_headers(struct commit_list *parents,
+ struct commit_extra_header ***tail);
+
extern int commit_tree(const char *msg, unsigned char *tree,
- struct commit_list *parents, unsigned char *ret,
- const char *author);
+ struct commit_list *parents, unsigned char *ret,
+ const char *author);
+
+extern int commit_tree_extended(const char *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author,
+ struct commit_extra_header *);
+
+extern struct commit_extra_header *read_commit_extra_headers(struct commit *);
+extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len);
+
+extern void free_commit_extra_headers(struct commit_extra_header *extra);
+
+struct merge_remote_desc {
+ struct object *obj; /* the named object, could be a tag */
+ const char *name;
+};
+#define merge_remote_util(commit) ((struct merge_remote_desc *)((commit)->util))
+
+/*
+ * Given "name" from the command line to merge, find the commit object
+ * and return it, while storing merge_remote_desc in its ->util field,
+ * to allow callers to tell if we are told to merge a tag.
+ */
+struct commit *get_merge_parent(const char *name);
#endif /* COMMIT_H */