fix: failover if no recipe meta available

pkg/recipe/recipe.go

@@ -236,9 +236,10 @@ func Get(recipeName string, conf *runtime.Config) (Recipe, error) {
 
 	meta, err := GetRecipeMeta(recipeName, conf)
 	if err != nil {
-		if strings.Contains(err.Error(), "does not exist") {
+		switch err.(type) {
+		case RecipeMissingFromCatalogue:
 			meta = RecipeMeta{}
-		} else {
+		default:
 			return Recipe{}, err
 		}
 	}
@@ -368,7 +369,12 @@ func EnsureLatest(recipeName string, conf *runtime.Config) error {
 
 	meta, err := GetRecipeMeta(recipeName, conf)
 	if err != nil {
-		return err
+		switch err.(type) {
+		case RecipeMissingFromCatalogue:
+			meta = RecipeMeta{}
+		default:
+			return err
+		}
 	}
 
 	var branch plumbing.ReferenceName
@@ -719,6 +725,14 @@ func VersionsOfService(recipe, serviceName string, conf *runtime.Config) ([]stri
 	return versions, nil
 }
 
+// RecipeMissingFromCatalogue signifies a recipe is not present in the catalogue.
+type RecipeMissingFromCatalogue struct{ err string }
+
+// Error outputs the error message.
+func (r RecipeMissingFromCatalogue) Error() string {
+	return r.err
+}
+
 // GetRecipeMeta retrieves the recipe metadata from the recipe catalogue.
 func GetRecipeMeta(recipeName string, conf *runtime.Config) (RecipeMeta, error) {
 	catl, err := ReadRecipeCatalogue(conf)
@@ -728,7 +742,9 @@ func GetRecipeMeta(recipeName string, conf *runtime.Config) (RecipeMeta, error)
 
 	recipeMeta, ok := catl[recipeName]
 	if !ok {
-		return RecipeMeta{}, fmt.Errorf("recipe %s does not exist?", recipeName)
+		return RecipeMeta{}, RecipeMissingFromCatalogue{
+			err: fmt.Sprintf("recipe %s does not exist?", recipeName),
+		}
 	}
 
 	if err := EnsureExists(recipeName, conf); err != nil {