extern int commit_tree(const char *msg, unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
- const char *author);
+ const char *author, const char *sign_commit);
extern int commit_tree_extended(const char *msg, unsigned char *tree,
struct commit_list *parents, unsigned char *ret,
- const char *author,
+ const char *author, const char *sign_commit,
struct commit_extra_header *);
extern struct commit_extra_header *read_commit_extra_headers(struct commit *);