Implement basic repo import command

Signed-off-by: Itai Spiegel <itai.spiegel@gmail.com>

cmd/helm/repo.go

@@ -45,6 +45,7 @@ func newRepoCmd(out io.Writer) *cobra.Command {
 	cmd.AddCommand(newRepoRemoveCmd(out))
 	cmd.AddCommand(newRepoIndexCmd(out))
 	cmd.AddCommand(newRepoUpdateCmd(out))
+	cmd.AddCommand(newRepoImportCmd(out))
 
 	return cmd
 }

cmd/helm/repo_import.go

@@ -0,0 +1,55 @@
+/*
+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 main
+
+import (
+	"io"
+
+	"github.com/spf13/cobra"
+
+	"helm.sh/helm/v3/cmd/helm/require"
+)
+
+type repoImportOptions struct {
+	filePath string
+}
+
+func newRepoImportCmd(out io.Writer) *cobra.Command {
+	o := &repoImportOptions{}
+
+	cmd := &cobra.Command{
+		Use:               "import [NAME]",
+		Aliases:           []string{"im"},
+		Short:             "import chart repositories",
+		Args:              require.ExactArgs(1),
+		ValidArgsFunction: noCompletions, // FIXME
+		RunE: func(cmd *cobra.Command, args []string) error {
+			o.filePath = args[0]
+			return o.run(out)
+		},
+	}
+
+	f := cmd.Flags()
+	f.StringVar(&o.filePath, "file", "", "path to the file to import")
+
+	return cmd
+}
+
+func (o *repoImportOptions) run(out io.Writer) error {
+	out.Write([]byte("repo import called\n"))
+	return nil
+}