Merge branch 'maint'

[git.git] / commit.h

diff --git a/commit.h b/commit.h
index a2d571b97410fa857b4c177325c4556dac50fe3f..4df397865abe7161a9f16e3177e3b486bf8434ca 100644 (file)
--- a/commit.h
+++ b/commit.h
@@ -38,6 +38,13 @@ struct commit *lookup_commit_reference_gently(const unsigned char *sha1,
                                              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);
 
@@ -126,6 +133,7 @@ struct commit *pop_most_recent_commit(struct commit_list **list,
 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.
@@ -142,6 +150,7 @@ struct commit_graft {
        int nr_parent; /* < 0 if shallow commit */
        unsigned char parent[FLEX_ARRAY][20]; /* more */
 };
+typedef int (*each_commit_graft_fn)(const struct commit_graft *, void *);
 
 struct commit_graft *read_graft_line(char *buf, int len);
 int register_commit_graft(struct commit_graft *, int);
@@ -153,7 +162,7 @@ extern struct commit_list *get_octopus_merge_bases(struct commit_list *in);
 
 extern int register_shallow(const unsigned char *sha1);
 extern int unregister_shallow(const unsigned char *sha1);
-extern int write_shallow_commits(struct strbuf *out, int use_pack_protocol);
+extern int for_each_commit_graft(each_commit_graft_fn, void *);
 extern int is_repository_shallow(void);
 extern struct commit_list *get_shallow_commits(struct object_array *heads,
                int depth, int shallow_flag, int not_shallow_flag);
@@ -172,8 +181,41 @@ static inline int single_parent(struct commit *commit)
 
 struct commit_list *reduce_heads(struct commit_list *heads);
 
-extern int commit_tree(const char *msg, unsigned char *tree,
-               struct commit_list *parents, unsigned char *ret,
-               const char *author);
+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 struct strbuf *msg, unsigned char *tree,
+                      struct commit_list *parents, unsigned char *ret,
+                      const char *author);
+
+extern int commit_tree_extended(const struct strbuf *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 */