Print help when run without args

sonatard · Mar 4, 2015 · 8a97e6c · 8a97e6c
1 parent ee712c5
commit 8a97e6c
Showing 1 changed file with 10 additions and 2 deletions.
diff --git a/option.go b/option.go
@@ -27,18 +27,26 @@ func GhsOptionParser() ([]string, GhsOptions) {
 	printGhsOption(args, opts)
 
 	if err != nil {
-		printGhsHelp(parser)
-		os.Exit(1)
+		ghsOptionError(parser)
 	}
 
 	if opts.Version {
 		fmt.Printf("ghs %s\n", version)
 		os.Exit(0)
 	}
 
+	if (opts.User == "" && opts.Repository == "") && len(args) == 0 {
+		ghsOptionError(parser)
+	}
+
 	return args, opts
 }
 
+func ghsOptionError(parser *flags.Parser) {
+	printGhsHelp(parser)
+	os.Exit(1)
+}
+
 func printGhsOption(args []string, opts GhsOptions) {
 	debug.Printf("args = %v\n", args)