fix: latest commit for new recipe version

See toolshed/abra#527

cli/app/new.go

@@ -109,6 +109,13 @@ var AppNewCommand = &cobra.Command{
 				if err := recipe.EnsureLatest(); err != nil {
 					log.Fatal(err)
 				}
+
+				head, err := recipe.Head()
+				if err != nil {
+					log.Fatalf("failed to retrieve latest commit for %s: %s", recipe.Name, err)
+				}
+
+				recipeVersion = formatter.SmallSHA(head.String())
 			}
 		}