Address code review suggestion to rename IsKubernetesFileFormat

to `IsKubernetesFileExtension`.

pkg/skaffold/initializer/init.go

@@ -94,7 +94,7 @@ func DoInit(out io.Writer, c Config) error {
 			logrus.Debugf("%s is a valid skaffold configuration: continuing since --force=true", path)
 			return nil
 		}
-		if IsSupportedKubernetesFormat(path) {
+		if IsSupportedKubernetesFileExtension(path) {
 			potentialConfigs = append(potentialConfigs, path)
 			return nil
 		}

pkg/skaffold/initializer/util.go

@@ -23,10 +23,10 @@ import (
 	"github.com/GoogleContainerTools/skaffold/pkg/skaffold/schema"
 )
 
-// IsSupportedKubernetesFormat is for determining if a file under a glob pattern
+// IsSupportedKubernetesFileExtension is for determining if a file under a glob pattern
 // is deployable file format. It makes no attempt to check whether or not the file
 // is actually deployable or has the correct contents.
-func IsSupportedKubernetesFormat(n string) bool {
+func IsSupportedKubernetesFileExtension(n string) bool {
 	for _, s := range kubectl.ValidSuffixes {
 		if strings.HasSuffix(n, s) {
 			return true

pkg/skaffold/initializer/util_test.go

@@ -23,7 +23,7 @@ import (
 	"github.com/GoogleContainerTools/skaffold/testutil"
 )
 
-func TestIsSupportedKubernetesFormat(t *testing.T) {
+func TestIsSupportedKubernetesFileExtension(t *testing.T) {
 	tests := []struct {
 		name     string
 		filename string
@@ -52,7 +52,7 @@ func TestIsSupportedKubernetesFormat(t *testing.T) {
 	}
 	for _, test := range tests {
 		t.Run(test.name, func(t *testing.T) {
-			if IsSupportedKubernetesFormat(test.filename) != test.expected {
+			if IsSupportedKubernetesFileExtension(test.filename) != test.expected {
 				t.Errorf("expected to see %t for %s, but instead got %t", test.expected,
 					test.filename, !test.expected)
 			}