refactor: use app getting instead of boilerplate

cli/internal/validate.go

@@ -3,6 +3,7 @@ package internal
 import (
 	"errors"
 
+	"coopcloud.tech/abra/pkg/app"
 	"coopcloud.tech/abra/pkg/config"
 	"coopcloud.tech/abra/pkg/recipe"
 	"github.com/sirupsen/logrus"
@@ -25,21 +26,17 @@ func ValidateRecipeArg(c *cli.Context) string {
 }
 
 // ValidateAppNameArg ensures the app name arg is valid.
-func ValidateAppNameArg(c *cli.Context) string {
+func ValidateApp(c *cli.Context) config.App {
 	appName := c.Args().First()
 
 	if appName == "" {
 		ShowSubcommandHelpAndError(c, errors.New("no app provided"))
 	}
 
-	appFiles, err := config.LoadAppFiles("")
+	app, err := app.Get(appName)
 	if err != nil {
 		logrus.Fatal(err)
 	}
 
-	if _, ok := appFiles[appName]; !ok {
-		logrus.Fatalf("'%s' doesn't exist?", appName)
-	}
-
-	return appName
+	return app
 }