Merge pull request #835 from k8s-infra-cherrypick-robot/cherry-pick-8…

…29-to-release-0.12 [release-0.12] ✨ Return an error for duplicate generators
kubernetes-sigs · Jul 13, 2023 · 371c48c · 371c48c
2 parents 3c09a34 + 35f6df7
commit 371c48c
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/pkg/genall/options.go b/pkg/genall/options.go
@@ -136,6 +136,9 @@ func protoFromOptions(optionsRegistry *markers.Registry, options []string) (prot
 		switch val := val.(type) {
 		case Generator:
 			gens = append(gens, &val)
+			if _, alreadyExists := gensByName[defn.Name]; alreadyExists {
+				return protoRuntime{}, fmt.Errorf("multiple instances of '%s' generator specified", defn.Name)
+			}
 			gensByName[defn.Name] = &val
 		case OutputRule:
 			_, genName := splitOutputRuleOption(defn.Name)