feat(helm): support removing multiple repositories with repo remove command

Signed-off-by: Arash Deshmeh <adeshmeh@ca.ibm.com>

cmd/helm/repo_remove.go

@@ -41,13 +41,18 @@ func newRepoRemoveCmd(out io.Writer) *cobra.Command {
 		Aliases: []string{"rm"},
 		Short:   "remove a chart repository",
 		RunE: func(cmd *cobra.Command, args []string) error {
-			if err := checkArgsLength(len(args), "name of chart repository"); err != nil {
+			if len(args) == 0 {
-				return err
+				return fmt.Errorf("need at least one argument, name of chart repository")
 			}
-			remove.name = args[0]
-			remove.home = settings.Home
 
-			return remove.run()
+			remove.home = settings.Home
+			for i := 0; i < len(args); i++ {
+				remove.name = args[i]
+				if err := remove.run(); err != nil {
+					return err
+				}
+			}
+			return nil
 		},
 	}
 

cmd/helm/repo_remove_test.go

@@ -18,6 +18,7 @@ package main
 
 import (
 	"bytes"
+	"io/ioutil"
 	"os"
 	"strings"
 	"testing"
@@ -79,3 +80,66 @@ func TestRepoRemove(t *testing.T) {
 		t.Errorf("%s was not successfully removed from repositories list", testName)
 	}
 }
+
+func TestRepoRemove_NoArguments(t *testing.T) {
+	cmd := newRepoRemoveCmd(ioutil.Discard)
+	if err := cmd.RunE(cmd, []string{}); err == nil {
+		t.Errorf("Expected an error since no repo names were provided")
+	}
+}
+
+func TestRepoRemove_MultipleRepos(t *testing.T) {
+	ts, thome, err := repotest.NewTempServer("testdata/testserver/*.*")
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	hh := helmpath.Home(thome)
+	cleanup := resetEnv()
+	defer func() {
+		ts.Stop()
+		os.RemoveAll(thome.String())
+		cleanup()
+	}()
+	if err := ensureTestHome(hh, t); err != nil {
+		t.Fatal(err)
+	}
+
+	settings.Home = thome
+
+	repoFoo := testName + "foo"
+	repoBar := testName + "bar"
+
+	if err := addRepository(repoFoo, ts.URL(), "", "", hh, "", "", "", true); err != nil {
+		t.Error(err)
+	}
+	if err := addRepository(repoBar, ts.URL(), "", "", hh, "", "", "", true); err != nil {
+		t.Error(err)
+	}
+
+	b := bytes.NewBuffer(nil)
+
+	cmd := newRepoRemoveCmd(b)
+	if err := cmd.RunE(cmd, []string{repoFoo, repoBar}); err != nil {
+		t.Error(err)
+	}
+
+	if !strings.Contains(b.String(), repoFoo) {
+		t.Errorf("Expected %q in output, found: %q", repoFoo, b.String())
+	}
+	if !strings.Contains(b.String(), repoBar) {
+		t.Errorf("Expected %q in output, found: %q", repoBar, b.String())
+	}
+
+	f, err := repo.LoadRepositoriesFile(hh.RepositoryFile())
+	if err != nil {
+		t.Error(err)
+	}
+
+	if f.Has(repoFoo) {
+		t.Errorf("%s was not successfully removed from repositories list", repoFoo)
+	}
+	if f.Has(repoBar) {
+		t.Errorf("%s was not successfully removed from repositories list", repoBar)
+	}
+}