Implement helm repo import command

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

cmd/helm/repo_import.go

@@ -18,38 +18,81 @@ package main
 
 import (
 	"io"
+	"os"
 
+	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
+	"k8s.io/apimachinery/pkg/util/yaml"
 
 	"helm.sh/helm/v3/cmd/helm/require"
+	"helm.sh/helm/v3/pkg/repo"
 )
 
 type repoImportOptions struct {
-	filePath string
+	importedFilePath string
+	repoFile         string
+	repoCache        string
 }
 
 func newRepoImportCmd(out io.Writer) *cobra.Command {
 	o := &repoImportOptions{}
 
 	cmd := &cobra.Command{
-		Use:               "import [NAME]",
+		Use:   "import [PATH]",
-		Aliases:           []string{"im"},
 		Short: "import chart repositories",
 		Args:  require.ExactArgs(1),
-		ValidArgsFunction: noCompletions, // FIXME
+		ValidArgsFunction: func(cmd *cobra.Command, args []string, toComplete string) ([]string, cobra.ShellCompDirective) {
+			if len(args) == 0 {
+				// Allow file completion when completing the argument for the directory
+				return nil, cobra.ShellCompDirectiveDefault
+			}
+			// No more completions, so disable file completion
+			return nil, cobra.ShellCompDirectiveNoFileComp
+		},
 		RunE: func(cmd *cobra.Command, args []string) error {
-			o.filePath = args[0]
+			o.importedFilePath = args[0]
+			o.repoFile = settings.RepositoryConfig
+			o.repoCache = settings.RepositoryCache
 			return o.run(out)
 		},
 	}
 
 	f := cmd.Flags()
-	f.StringVar(&o.filePath, "file", "", "path to the file to import")
+	f.StringVar(&o.importedFilePath, "file", "", "path to the file to import")
 
 	return cmd
 }
 
 func (o *repoImportOptions) run(out io.Writer) error {
-	out.Write([]byte("repo import called\n"))
+	var helmRepoEntries []repo.Entry
+	fileContent, err := os.ReadFile(o.importedFilePath)
+	if err != nil {
+		return err
+	}
+
+	err = yaml.UnmarshalStrict(fileContent, &helmRepoEntries)
+	if err != nil {
+		return errors.Errorf("%s is an invalid YAML file", o.importedFilePath)
+	}
+
+	for i := range helmRepoEntries {
+		helmRepoEntry := helmRepoEntries[i]
+		info := repoAddOptions{
+			name:                  helmRepoEntry.Name,
+			url:                   helmRepoEntry.URL,
+			username:              helmRepoEntry.Username,
+			password:              helmRepoEntry.Password,
+			passCredentialsAll:    helmRepoEntry.PassCredentialsAll,
+			certFile:              helmRepoEntry.CertFile,
+			keyFile:               helmRepoEntry.KeyFile,
+			caFile:                helmRepoEntry.CAFile,
+			insecureSkipTLSverify: helmRepoEntry.InsecureSkipTLSverify,
+			repoFile:              o.repoFile,
+			repoCache:             o.repoCache}
+		err = info.run(out)
+		if err != nil {
+			return err
+		}
+	}
 	return nil
 }