Fix usage of -h

Author: yannh

acceptance.bats

@@ -5,6 +5,12 @@ resetCacheFolder() {
   mkdir -p cache
 }
 
+@test "Pass when displaying help with -h" {
+  run bin/kubeconform -h
+  [ "$status" -eq 0 ]
+  [ "${lines[0]}" == 'Usage: bin/kubeconform [OPTION]... [FILE OR FOLDER]...' ]
+}
+
 @test "Pass when parsing a valid Kubernetes config YAML file" {
   run bin/kubeconform -summary fixtures/valid.yaml
   [ "$status" -eq 0 ]

cmd/kubeconform/main.go

@@ -46,7 +46,9 @@ func processResults(cancel context.CancelFunc, o output.Output, validationResult
 
 func realMain() int {
 	cfg, out, err := config.FromFlags(os.Args[0], os.Args[1:])
-	if out != "" {
+	if cfg.Help {
+		return 0
+	} else if out != "" {
 		fmt.Println(out)
 		return 1
 	} else if err != nil {