hack: parse out the info flags for report subcommands separately

pflag doesn't ignore unspecified arguments, so they must be parsed out separately first.

plugins/proxy/src/subcommands/subcommands.go

@@ -64,10 +64,12 @@ func main() {
 		err = proxy.CommandPortsSet(appName, portMaps)
 	case "report":
 		args := flag.NewFlagSet("proxy:report", flag.ExitOnError)
-		args.Parse(os.Args[2:])
-		appName := args.Arg(0)
-		infoFlag := args.Arg(1)
-		err = proxy.CommandReport(appName, infoFlag)
+		osArgs, infoFlag, err := common.ParseReportArgs("proxy", os.Args[2:])
+		if err == nil {
+			args.Parse(osArgs)
+			appName := args.Arg(0)
+			err = proxy.CommandReport(appName, infoFlag)
+		}
 	case "set":
 		args := flag.NewFlagSet("proxy:set", flag.ExitOnError)
 		args.Parse(os.Args[2:])

plugins/proxy/subcommands.go

@@ -155,11 +155,6 @@ func CommandPortsSet(appName string, portMaps []string) error {
 
 // CommandReport displays a proxy report for one or more apps
 func CommandReport(appName string, infoFlag string) error {
-	if strings.HasPrefix(appName, "--") {
-		infoFlag = appName
-		appName = ""
-	}
-
 	if len(appName) == 0 {
 		apps, err := common.DokkuApps()
 		if err != nil {