Move cfg parsing out of realmain, rename realmain to kubeconform

cmd/kubeconform/main.go

@@ -46,29 +46,8 @@ func processResults(cancel context.CancelFunc, o output.Output, validationResult
  return result
 }
 
-func realMain() int {
- cfg, out, err := config.FromFlags(os.Args[0], os.Args[1:])
- if out != "" {
- o := os.Stderr
- errCode := 1
- if cfg.Help {
- o = os.Stdout
- errCode = 0
- }
- fmt.Fprintln(o, out)
- return errCode
- }
-
- if cfg.Version {
- fmt.Println(version)
- return 0
- }
-
- if err != nil {
- fmt.Fprintf(os.Stderr, "failed parsing command line: %s\n", err.Error())
- return 1
- }
-
+func kubeconform(cfg config.Config) int {
+ var err error
  cpuProfileFile := os.Getenv("KUBECONFORM_CPUPROFILE_FILE")
  if cpuProfileFile != "" {
  f, err := os.Create(cpuProfileFile)
@@ -178,5 +157,27 @@ func realMain() int {
 }
 
 func main() {
- os.Exit(realMain())
+ cfg, out, err := config.FromFlags(os.Args[0], os.Args[1:])
+ if out != "" {
+ o := os.Stderr
+ errCode := 1
+ if cfg.Help {
+ o = os.Stdout
+ errCode = 0
+ }
+ fmt.Fprintln(o, out)
+ os.Exit(errCode)
+ }
+
+ if cfg.Version {
+ fmt.Println(version)
+ return
+ }
+
+ if err != nil {
+ fmt.Fprintf(os.Stderr, "failed parsing command line: %s\n", err.Error())
+ os.Exit(1)
+ }
+
+ os.Exit(kubeconform(cfg))
 }