Show usage string for 'git get-tar-commit-id -h'

diff --git a/parse-options.h b/parse-options.h
index b32587ad7cbf5ac3923764d68d1ccd197955e660..f295a2cf858f4dbebc62e956878544ffdb7fbe58 100644 (file)
--- a/parse-options.h
+++ b/parse-options.h
@@ -145,6 +145,10 @@ extern int parse_options(int argc, const char **argv, const char *prefix,
 extern NORETURN void usage_with_options(const char * const *usagestr,
                                         const struct option *options);
 
+extern NORETURN void usage_msg_opt(const char *msg,
+                                  const char * const *usagestr,
+                                  const struct option *options);
+
 /*----- incremental advanced APIs -----*/
 
 enum {