refactor: centralise recipe validation

cli/recipe/create.go

@@ -1,7 +1,6 @@
 package recipe
 
 import (
-	"errors"
 	"fmt"
 	"os"
 	"path"
@@ -20,10 +19,7 @@ var recipeCreateCommand = &cli.Command{
 	Aliases:   []string{"c"},
 	ArgsUsage: "<recipe>",
 	Action: func(c *cli.Context) error {
-		recipe := c.Args().First()
-		if recipe == "" {
-			internal.ShowSubcommandHelpAndError(c, errors.New("no recipe provided"))
-		}
+		recipe := internal.ValidateRecipe(c)
 
 		directory := path.Join(config.APPS_DIR, recipe)
 		if _, err := os.Stat(directory); !os.IsNotExist(err) {