refactor: recipe validation

cli/internal/validate.go

@@ -0,0 +1,24 @@
+package internal
+
+import (
+	"errors"
+
+	"coopcloud.tech/abra/recipe"
+	"github.com/sirupsen/logrus"
+	"github.com/urfave/cli/v2"
+)
+
+// ValidateRecipeArg ensures the recipe arg is valid.
+func ValidateRecipeArg(c *cli.Context) string {
+	recipeName := c.Args().First()
+
+	if recipeName == "" {
+		ShowSubcommandHelpAndError(c, errors.New("no recipe provided"))
+	}
+
+	if err := recipe.EnsureExists(recipeName); err != nil {
+		logrus.Fatal(err)
+	}
+
+	return recipeName
+}