cmd: better "updating index" message (kubernetes-sigs#107)

cmd/krew/cmd/install.go

@@ -127,7 +127,7 @@ All plugins will be downloaded and made available to: "kubectl plugin <name>"`,
 		},
 		PreRunE: func(cmd *cobra.Command, args []string) error {
 			if *manifest == "" {
-				return ensureUpdated(cmd, args)
+				return ensureIndexUpdated(cmd, args)
 			}
 			glog.V(4).Infof("--manifest specified, not ensuring plugin index")
 			return nil

cmd/krew/cmd/update.go

@@ -19,6 +19,7 @@ import (
 	"os"
 
 	"github.com/GoogleContainerTools/krew/pkg/gitutil"
+	"github.com/golang/glog"
 
 	"github.com/pkg/errors"
 	"github.com/spf13/cobra"
@@ -34,14 +35,15 @@ var updateCmd = &cobra.Command{
 	Long: `Update local plugin index.
 Fetch the newest version of Krew and all formulae from GitHub using git(1) and
 perform any necessary migrations.`,
-	RunE: ensureUpdated,
+	RunE: ensureIndexUpdated,
 }
 
-func ensureUpdated(_ *cobra.Command, _ []string) error {
+func ensureIndexUpdated(_ *cobra.Command, _ []string) error {
+	glog.V(1).Infof("Updating the local copy of plugin index (%s)", paths.IndexPath())
 	if err := gitutil.EnsureUpdated(IndexURI, paths.IndexPath()); err != nil {
-		return errors.Wrapf(err, "failed to ensure that the index path %q is updated", paths.IndexPath())
+		return errors.Wrap(err, "failed to update the local index")
 	}
-	fmt.Fprintln(os.Stderr, "Updated index")
+	fmt.Fprintln(os.Stderr, "Updated the local copy of plugin index.")
 	return nil
 }
 

cmd/krew/cmd/upgrade.go

@@ -72,7 +72,7 @@ kubectl plugin upgrade foo bar"`,
 		}
 		return nil
 	},
-	PreRunE: ensureUpdated,
+	PreRunE: ensureIndexUpdated,
 }
 
 func init() {