update vendor

Signed-off-by: Roland.Ma <rolandma@yunify.com>

vendor/helm.sh/helm/v3/pkg/chartutil/expand.go

@@ -0,0 +1,91 @@
+/*
+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 chartutil
+
+import (
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+
+	securejoin "github.com/cyphar/filepath-securejoin"
+	"github.com/pkg/errors"
+	"sigs.k8s.io/yaml"
+
+	"helm.sh/helm/v3/pkg/chart"
+	"helm.sh/helm/v3/pkg/chart/loader"
+)
+
+// Expand uncompresses and extracts a chart into the specified directory.
+func Expand(dir string, r io.Reader) error {
+	files, err := loader.LoadArchiveFiles(r)
+	if err != nil {
+		return err
+	}
+
+	// Get the name of the chart
+	var chartName string
+	for _, file := range files {
+		if file.Name == "Chart.yaml" {
+			ch := &chart.Metadata{}
+			if err := yaml.Unmarshal(file.Data, ch); err != nil {
+				return errors.Wrap(err, "cannot load Chart.yaml")
+			}
+			chartName = ch.Name
+		}
+	}
+	if chartName == "" {
+		return errors.New("chart name not specified")
+	}
+
+	// Find the base directory
+	chartdir, err := securejoin.SecureJoin(dir, chartName)
+	if err != nil {
+		return err
+	}
+
+	// Copy all files verbatim. We don't parse these files because parsing can remove
+	// comments.
+	for _, file := range files {
+		outpath, err := securejoin.SecureJoin(chartdir, file.Name)
+		if err != nil {
+			return err
+		}
+
+		// Make sure the necessary subdirs get created.
+		basedir := filepath.Dir(outpath)
+		if err := os.MkdirAll(basedir, 0755); err != nil {
+			return err
+		}
+
+		if err := ioutil.WriteFile(outpath, file.Data, 0644); err != nil {
+			return err
+		}
+	}
+
+	return nil
+}
+
+// ExpandFile expands the src file into the dest directory.
+func ExpandFile(dest, src string) error {
+	h, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer h.Close()
+	return Expand(dest, h)
+}