chore: remove unused pkg/gates

Signed-off-by: George Jenkins <gvjenkins@gmail.com>

pkg/gates/doc.go

@@ -1,21 +0,0 @@
-/*
-Copyright The Helm Authors.
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-/*
-Package gates provides a general tool for working with experimental feature gates.
-
-This provides convenience methods where the user can determine if certain experimental features are enabled.
-*/
-package gates

pkg/gates/gates.go

@@ -1,38 +0,0 @@
-/*
-Copyright The Helm Authors.
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package gates
-
-import (
-	"fmt"
-	"os"
-)
-
-// Gate is the name of the feature gate.
-type Gate string
-
-// String returns the string representation of this feature gate.
-func (g Gate) String() string {
-	return string(g)
-}
-
-// IsEnabled determines whether a certain feature gate is enabled.
-func (g Gate) IsEnabled() bool {
-	return os.Getenv(string(g)) != ""
-}
-
-func (g Gate) Error() error {
-	return fmt.Errorf("this feature has been marked as experimental and is not enabled by default. Please set %s=1 in your environment to use this feature", g.String())
-}

pkg/gates/gates_test.go

@@ -1,56 +0,0 @@
-/*
-Copyright The Helm Authors.
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-http://www.apache.org/licenses/LICENSE-2.0
-
-Unless required by applicable law or agreed to in writing, software
-distributed under the License is distributed on an "AS IS" BASIS,
-WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-See the License for the specific language governing permissions and
-limitations under the License.
-*/
-
-package gates
-
-import (
-	"os"
-	"testing"
-)
-
-const name string = "HELM_EXPERIMENTAL_FEATURE"
-
-func TestIsEnabled(t *testing.T) {
-	os.Unsetenv(name)
-	g := Gate(name)
-
-	if g.IsEnabled() {
-		t.Errorf("feature gate shows as available, but the environment variable %s was not set", name)
-	}
-
-	os.Setenv(name, "1")
-
-	if !g.IsEnabled() {
-		t.Errorf("feature gate shows as disabled, but the environment variable %s was set", name)
-	}
-}
-
-func TestError(t *testing.T) {
-	os.Unsetenv(name)
-	g := Gate(name)
-
-	if g.Error().Error() != "this feature has been marked as experimental and is not enabled by default. Please set HELM_EXPERIMENTAL_FEATURE=1 in your environment to use this feature" {
-		t.Errorf("incorrect error message. Received %s", g.Error().Error())
-	}
-}
-
-func TestString(t *testing.T) {
-	os.Unsetenv(name)
-	g := Gate(name)
-
-	if g.String() != "HELM_EXPERIMENTAL_FEATURE" {
-		t.Errorf("incorrect string representation. Received %s", g.String())
-	}
-}