specify FlagAddMethod on artifact and kubernetes-manifest flags (#5298)

cmd/skaffold/app/cmd/init.go

@@ -59,8 +59,8 @@ func NewCmdInit() *cobra.Command {
 			{Value: &force, Name: "force", DefValue: false, Usage: "Force the generation of the Skaffold config", IsEnum: true},
 			{Value: &composeFile, Name: "compose-file", DefValue: "", Usage: "Initialize from a docker-compose file"},
 			{Value: &defaultKustomization, Name: "default-kustomization", DefValue: "", Usage: "Default Kustomization overlay path (others will be added as profiles)"},
-			{Value: &cliArtifacts, Name: "artifact", Shorthand: "a", DefValue: []string{}, Usage: "'='-delimited Dockerfile/image pair, or JSON string, to generate build artifact\n(example: --artifact='{\"builder\":\"Docker\",\"payload\":{\"path\":\"/web/Dockerfile.web\"},\"image\":\"gcr.io/web-project/image\"}')"},
-			{Value: &cliKubernetesManifests, Name: "kubernetes-manifest", Shorthand: "k", DefValue: []string{}, Usage: "A path or a glob pattern to kubernetes manifests (can be non-existent) to be added to the kubectl deployer (overrides detection of kubernetes manifests). Repeat the flag for multiple entries. E.g.: skaffold init -k pod.yaml -k k8s/*.yml"},
+			{Value: &cliArtifacts, Name: "artifact", FlagAddMethod: "StringArrayVar", Shorthand: "a", DefValue: []string{}, Usage: "'='-delimited Dockerfile/image pair, or JSON string, to generate build artifact\n(example: --artifact='{\"builder\":\"Docker\",\"payload\":{\"path\":\"/web/Dockerfile.web\"},\"image\":\"gcr.io/web-project/image\"}')"},
+			{Value: &cliKubernetesManifests, Name: "kubernetes-manifest", FlagAddMethod: "StringArrayVar", Shorthand: "k", DefValue: []string{}, Usage: "A path or a glob pattern to kubernetes manifests (can be non-existent) to be added to the kubectl deployer (overrides detection of kubernetes manifests). Repeat the flag for multiple entries. E.g.: skaffold init -k pod.yaml -k k8s/*.yml"},
 			{Value: &analyze, Name: "analyze", DefValue: false, Usage: "Print all discoverable Dockerfiles and images in JSON format to stdout", IsEnum: true},
 			{Value: &enableNewInitFormat, Name: "XXenableNewInitFormat", DefValue: false, Usage: "", Hidden: true, IsEnum: true},
 			{Value: &enableJibInit, Name: "XXenableJibInit", DefValue: false, Usage: "", Hidden: true, IsEnum: true},