extern int cmd_shortlog(int argc, const char **argv, const char *prefix);
extern int cmd_show(int argc, const char **argv, const char *prefix);
extern int cmd_show_branch(int argc, const char **argv, const char *prefix);
+extern int cmd_show_index(int argc, const char **argv, const char *prefix);
extern int cmd_status(int argc, const char **argv, const char *prefix);
extern int cmd_stripspace(int argc, const char **argv, const char *prefix);
extern int cmd_submodule__helper(int argc, const char **argv, const char *prefix);