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/apps/src/subcommands/subcommands.go

@@ -65,10 +65,12 @@ func main() {
 		err = apps.CommandRename(oldAppName, newAppName, *skipDeploy)
 	case "report":
 		args := flag.NewFlagSet("apps:report", flag.ExitOnError)
-		args.Parse(os.Args[2:])
-		appName := args.Arg(0)
-		infoFlag := args.Arg(1)
-		err = apps.CommandReport(appName, infoFlag)
+		osArgs, infoFlag, err := common.ParseReportArgs("apps", os.Args[2:])
+		if err == nil {
+			args.Parse(osArgs)
+			appName := args.Arg(0)
+			err = apps.CommandReport(appName, infoFlag)
+		}
 	case "unlock":
 		args := flag.NewFlagSet("apps:unlock", flag.ExitOnError)
 		args.Parse(os.Args[2:])

plugins/apps/subcommands.go

@@ -4,7 +4,6 @@ import (
 	"errors"
 	"fmt"
 	"os"
-	"strings"
 
 	"github.com/dokku/dokku/plugins/common"
 )
@@ -197,11 +196,6 @@ func CommandRename(oldAppName string, newAppName string, skipDeploy bool) error
 
 // CommandReport displays an app 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 {