extern int cmd_commit_tree(int argc, const char **argv, const char *prefix);
extern int cmd_config(int argc, const char **argv, const char *prefix);
extern int cmd_count_objects(int argc, const char **argv, const char *prefix);
+extern int cmd_credential(int argc, const char **argv, const char *prefix);
extern int cmd_describe(int argc, const char **argv, const char *prefix);
extern int cmd_diff_files(int argc, const char **argv, const char *prefix);
extern int cmd_diff_index(int argc, const char **argv, const char *prefix);