pin dependencies

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

vendor/helm.sh/helm/v3/pkg/action/package.go

@@ -0,0 +1,182 @@
+/*
+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 action
+
+import (
+	"bufio"
+	"fmt"
+	"io/ioutil"
+	"os"
+	"syscall"
+
+	"github.com/Masterminds/semver/v3"
+	"github.com/pkg/errors"
+	"golang.org/x/term"
+
+	"helm.sh/helm/v3/pkg/chart/loader"
+	"helm.sh/helm/v3/pkg/chartutil"
+	"helm.sh/helm/v3/pkg/provenance"
+)
+
+// Package is the action for packaging a chart.
+//
+// It provides the implementation of 'helm package'.
+type Package struct {
+	Sign             bool
+	Key              string
+	Keyring          string
+	PassphraseFile   string
+	Version          string
+	AppVersion       string
+	Destination      string
+	DependencyUpdate bool
+
+	RepositoryConfig string
+	RepositoryCache  string
+}
+
+// NewPackage creates a new Package object with the given configuration.
+func NewPackage() *Package {
+	return &Package{}
+}
+
+// Run executes 'helm package' against the given chart and returns the path to the packaged chart.
+func (p *Package) Run(path string, vals map[string]interface{}) (string, error) {
+	ch, err := loader.LoadDir(path)
+	if err != nil {
+		return "", err
+	}
+
+	// If version is set, modify the version.
+	if p.Version != "" {
+		ch.Metadata.Version = p.Version
+	}
+
+	if err := validateVersion(ch.Metadata.Version); err != nil {
+		return "", err
+	}
+
+	if p.AppVersion != "" {
+		ch.Metadata.AppVersion = p.AppVersion
+	}
+
+	if reqs := ch.Metadata.Dependencies; reqs != nil {
+		if err := CheckDependencies(ch, reqs); err != nil {
+			return "", err
+		}
+	}
+
+	var dest string
+	if p.Destination == "." {
+		// Save to the current working directory.
+		dest, err = os.Getwd()
+		if err != nil {
+			return "", err
+		}
+	} else {
+		// Otherwise save to set destination
+		dest = p.Destination
+	}
+
+	name, err := chartutil.Save(ch, dest)
+	if err != nil {
+		return "", errors.Wrap(err, "failed to save")
+	}
+
+	if p.Sign {
+		err = p.Clearsign(name)
+	}
+
+	return name, err
+}
+
+// validateVersion Verify that version is a Version, and error out if it is not.
+func validateVersion(ver string) error {
+	if _, err := semver.NewVersion(ver); err != nil {
+		return err
+	}
+	return nil
+}
+
+// Clearsign signs a chart
+func (p *Package) Clearsign(filename string) error {
+	// Load keyring
+	signer, err := provenance.NewFromKeyring(p.Keyring, p.Key)
+	if err != nil {
+		return err
+	}
+
+	passphraseFetcher := promptUser
+	if p.PassphraseFile != "" {
+		passphraseFetcher, err = passphraseFileFetcher(p.PassphraseFile, os.Stdin)
+		if err != nil {
+			return err
+		}
+	}
+
+	if err := signer.DecryptKey(passphraseFetcher); err != nil {
+		return err
+	}
+
+	sig, err := signer.ClearSign(filename)
+	if err != nil {
+		return err
+	}
+
+	return ioutil.WriteFile(filename+".prov", []byte(sig), 0644)
+}
+
+// promptUser implements provenance.PassphraseFetcher
+func promptUser(name string) ([]byte, error) {
+	fmt.Printf("Password for key %q >  ", name)
+	// syscall.Stdin is not an int in all environments and needs to be coerced
+	// into one there (e.g., Windows)
+	pw, err := term.ReadPassword(int(syscall.Stdin))
+	fmt.Println()
+	return pw, err
+}
+
+func passphraseFileFetcher(passphraseFile string, stdin *os.File) (provenance.PassphraseFetcher, error) {
+	file, err := openPassphraseFile(passphraseFile, stdin)
+	if err != nil {
+		return nil, err
+	}
+	defer file.Close()
+
+	reader := bufio.NewReader(file)
+	passphrase, _, err := reader.ReadLine()
+	if err != nil {
+		return nil, err
+	}
+	return func(name string) ([]byte, error) {
+		return passphrase, nil
+	}, nil
+}
+
+func openPassphraseFile(passphraseFile string, stdin *os.File) (*os.File, error) {
+	if passphraseFile == "-" {
+		stat, err := stdin.Stat()
+		if err != nil {
+			return nil, err
+		}
+		if (stat.Mode() & os.ModeNamedPipe) == 0 {
+			return nil, errors.New("specified reading passphrase from stdin, without input on stdin")
+		}
+		return stdin, nil
+	}
+	return os.Open(passphraseFile)
+}