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, const char *sign_commit);
+
+extern int commit_tree_extended(const struct strbuf *msg, unsigned char *tree,
+ struct commit_list *parents, unsigned char *ret,
+ const char *author, const char *sign_commit,
+ struct commit_extra_header *);
+
+extern struct commit_extra_header *read_commit_extra_headers(struct commit *, const char **);
+extern struct commit_extra_header *read_commit_extra_header_lines(const char *buf, size_t len, const char **);
+
+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);
+extern int parse_signed_commit(const unsigned char *sha1,
+ struct strbuf *message, struct strbuf *signature);
#endif /* COMMIT_H */