feat: add version input to abra app new (!400)

Closes coop-cloud/organising#519

Reviewed-on: coop-cloud/abra#400
Reviewed-by: decentral1se <decentral1se@noreply.git.coopcloud.tech>
Co-authored-by: p4u1 <p4u1_f4u1@riseup.net>
Co-committed-by: p4u1 <p4u1_f4u1@riseup.net>

cli/app/new.go

@@ -54,9 +54,17 @@ var appNewCommand = cli.Command{
 		internal.OfflineFlag,
 		internal.ChaosFlag,
 	},
-	Before:       internal.SubCommandBefore,
-	ArgsUsage:    "[<recipe>]",
-	BashComplete: autocomplete.RecipeNameComplete,
+	Before:    internal.SubCommandBefore,
+	ArgsUsage: "[<recipe>] [<version>]",
+	BashComplete: func(ctx *cli.Context) {
+		args := ctx.Args()
+		switch len(args) {
+		case 0:
+			autocomplete.RecipeNameComplete(ctx)
+		case 1:
+			autocomplete.RecipeVersionComplete(ctx.Args().Get(0))
+		}
+	},
 	Action: func(c *cli.Context) error {
 		recipe := internal.ValidateRecipe(c)
 
@@ -69,8 +77,14 @@ var appNewCommand = cli.Command{
 					logrus.Fatal(err)
 				}
 			}
-			if err := recipePkg.EnsureLatest(recipe.Name); err != nil {
-				logrus.Fatal(err)
+			if c.Args().Get(1) == "" {
+				if err := recipePkg.EnsureLatest(recipe.Name); err != nil {
+					logrus.Fatal(err)
+				}
+			} else {
+				if err := recipePkg.EnsureVersion(recipe.Name, c.Args().Get(1)); err != nil {
+					logrus.Fatal(err)
+				}
 			}
 		}