refactor!: recipe fetch [recipe | --all]

See toolshed/organising#639

cli/recipe/fetch.go

@@ -10,10 +10,9 @@ import (
 )
 
 var RecipeFetchCommand = &cobra.Command{
-	Use:     "fetch [recipe] [flags]",
+	Use:     "fetch [recipe | --all] [flags]",
 	Aliases: []string{"f"},
-	Short:   "Fetch recipe(s)",
-	Long:    "Retrieves all recipes if no [recipe] argument is passed.",
+	Short:   "Clone recipe(s) locally",
 	Args:    cobra.RangeArgs(0, 1),
 	ValidArgsFunction: func(
 		cmd *cobra.Command,
@@ -27,6 +26,14 @@ var RecipeFetchCommand = &cobra.Command{
 			recipeName = args[0]
 		}
 
+		if recipeName == "" && !fetchAllRecipes {
+			log.Fatal("missing [recipe] or --all/-a")
+		}
+
+		if recipeName != "" && fetchAllRecipes {
+			log.Fatal("cannot use [recipe] and --all/-a together")
+		}
+
 		if recipeName != "" {
 			r := internal.ValidateRecipe(args, cmd.Name())
 			if err := r.Ensure(false, false); err != nil {
@@ -50,3 +57,17 @@ var RecipeFetchCommand = &cobra.Command{
 		}
 	},
 }
+
+var (
+	fetchAllRecipes bool
+)
+
+func init() {
+	RecipeFetchCommand.Flags().BoolVarP(
+		&fetchAllRecipes,
+		"all",
+		"a",
+		false,
+		"fetch all recipes",
+	)
+}