Add support for creating helm packages without needing the helm binary

README.md

@@ -50,6 +50,7 @@ Available Commands:
   help        Help about any command
   index       Update Helm repo index.yaml for the given GitHub repo
   upload      Upload Helm chart packages to GitHub Releases
+  package     Package Helm charts
   version     Print version information
 
 Flags:

cr/cmd/package.go

@@ -0,0 +1,84 @@
+// 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 cmd
+
+import (
+	"fmt"
+	"os"
+	"path/filepath"
+
+	"github.com/helm/chart-releaser/pkg/config"
+	"github.com/spf13/cobra"
+	"github.com/ulule/deepcopier"
+	"helm.sh/helm/v3/pkg/action"
+)
+
+// packageCmd represents the package command
+var packageCmd = &cobra.Command{
+	Use:   "package [/path/to/chart1] [/path/to/chart/2]",
+	Short: "Package Helm charts",
+	Long: `Package Helm charts ready for release.
+If you wish to use advanced packaging
+options such as creating signed packages or
+updating chart dependencies please use
+"helm package" instead.`,
+	RunE: func(cmd *cobra.Command, args []string) error {
+		var settings map[string]interface{}
+		var err error
+
+		config, err := config.LoadConfiguration(cfgFile, cmd, getRequiredPackageArgs())
+		if err != nil {
+			return err
+		}
+		client := action.NewPackage()
+		// valueOpts := &values.Options{}
+
+		if config.PackagePath == "" {
+			config.PackagePath = "."
+		}
+		client.Destination = config.PackagePath
+		charts := args
+		if len(charts) == 0 {
+			charts[0] = "."
+		}
+		for i := 0; i < len(charts); i++ {
+			path, err := filepath.Abs(charts[i])
+			if err != nil {
+				return err
+			}
+			if _, err := os.Stat(args[0]); err != nil {
+				return err
+			}
+			deepcopier.Copy(config).To(settings)
+			packageRun, err := client.Run(path, settings)
+
+			if err != nil {
+				return err
+			}
+
+			fmt.Printf("Successfully packaged chart in %s and saved it to: %s\n", path, packageRun)
+		}
+		return nil
+	},
+}
+
+func getRequiredPackageArgs() []string {
+	return []string{"package-path"}
+}
+
+func init() {
+	rootCmd.AddCommand(packageCmd)
+	packageCmd.Flags().StringP("package-path", "p", ".cr-release-packages", "Path to directory with chart packages")
+}

go.mod

@@ -6,9 +6,11 @@ require (
 	github.com/Azure/go-autorest/autorest/azure/auth v0.4.2 // indirect
 	github.com/Azure/go-autorest/autorest/to v0.3.0 // indirect
 	github.com/Azure/go-autorest/autorest/validation v0.2.0 // indirect
+	github.com/Masterminds/semver v1.5.0 // indirect
 	github.com/Songmu/retry v0.1.0
 	github.com/google/go-github/v30 v30.0.0
 	github.com/goreleaser/goreleaser v0.129.0
+	github.com/helm/helm v2.16.9+incompatible
 	github.com/mitchellh/go-homedir v1.1.0
 	github.com/onsi/ginkgo v1.11.0 // indirect
 	github.com/onsi/gomega v1.8.1 // indirect
@@ -18,9 +20,11 @@ require (
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.6.2
 	github.com/stretchr/testify v1.5.1
+	github.com/ulule/deepcopier v0.0.0-20200430083143-45decc6639b6
 	golang.org/x/oauth2 v0.0.0-20200107190931-bf48bf16ab8d
 	golang.org/x/tools v0.0.0-20200204192400-7124308813f3
 	helm.sh/helm/v3 v3.1.2
+	k8s.io/helm v2.16.9+incompatible // indirect
 )
 
 exclude (