int parse_date(const char *date, char *buf, int bufsize);
void datestamp(char *buf, int bufsize);
unsigned long approxidate(const char *);
+enum date_mode parse_date_format(const char *format);
extern const char *git_author_info(int);
extern const char *git_committer_info(int);
/* convert.c */
extern char *convert_to_git(const char *path, const char *src, unsigned long *sizep);
extern char *convert_to_working_tree(const char *path, const char *src, unsigned long *sizep);
-extern void *convert_sha1_file(const char *path, const unsigned char *sha1, unsigned int mode, enum object_type *type, unsigned long *size);
/* diff.c */
extern int diff_auto_refresh_index;