Do not continue when -help flag was provided

jstemmer · jstemmer · commit be986a34e206 · 2015-08-03T11:45:48.000+02:00
Fixes printing command usage text twice
diff --git a/main.go b/main.go
@@ -133,7 +133,9 @@ func getFileNames() ([]string, error) {
 }
 
 func main() {
-	flags.Parse(os.Args[1:])
+	if err := flags.Parse(os.Args[1:]); err == flag.ErrHelp {
+		return
+	}
 
 	if printVersion {
 		fmt.Printf("gotags version %s\n", Version)

Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,9 @@ func getFileNames() ([]string, error) {`
`133`	`133`	`}`
`134`	`134`
`135`	`135`	`func main() {`
`136`		`- flags.Parse(os.Args[1:])`
	`136`	`+ if err := flags.Parse(os.Args[1:]); err == flag.ErrHelp {`
	`137`	`+ return`
	`138`	`+ }`
`137`	`139`
`138`	`140`	`if printVersion {`
`139`	`141`	`fmt.Printf("gotags version %s\n", Version)`