Use var for timestamper, instead of adding as a struct field

Signed-off-by: Matt Butcher <matt.butcher@microsoft.com>

cmd/helm/helm_test.go

@@ -43,12 +43,16 @@ import (
 // base temp directory
 var testingDir string
 
+func testTimestamper() time.Time { return time.Unix(242085845, 0).UTC() }
+
 func init() {
 	var err error
 	testingDir, err = ioutil.TempDir(testingDir, "helm")
 	if err != nil {
 		panic(err)
 	}
+
+	action.Timestamper = testTimestamper
 }
 
 func TestMain(m *testing.M) {
@@ -122,11 +126,10 @@ func executeActionCommandC(store *storage.Storage, cmd string) (*cobra.Command,
 	buf := new(bytes.Buffer)
 
 	actionConfig := &action.Configuration{
-		Releases:    store,
-		KubeClient:  &environment.PrintingKubeClient{Out: ioutil.Discard},
-		Discovery:   fake.NewSimpleClientset().Discovery(),
-		Log:         func(format string, v ...interface{}) {},
-		Timestamper: func() time.Time { return time.Unix(242085845, 0).UTC() },
+		Releases:   store,
+		KubeClient: &environment.PrintingKubeClient{Out: ioutil.Discard},
+		Discovery:  fake.NewSimpleClientset().Discovery(),
+		Log:        func(format string, v ...interface{}) {},
 	}
 
 	root := newRootCmd(nil, actionConfig, buf, args)

cmd/helm/install.go

@@ -270,23 +270,10 @@ func (o *installOptions) run(out io.Writer) error {
 	}
 
 	o.printRelease(out, rel)
-	// If this is a dry run, we can't display status.
-	if o.dryRun {
-		return nil
-	}
-
-	// Print the status like status command does
-	/*
-		status, err := o.client.ReleaseStatus(rel.Name, 0)
-		if err != nil {
-			return err
-		}
-		PrintStatus(out, status)
-	*/
 	return nil
 }
 
-// printRelease prints info about a release if the Debug is true.
+// printRelease prints info about a release
 func (o *installOptions) printRelease(out io.Writer, rel *release.Release) {
 	if rel == nil {
 		return

cmd/helm/list.go

@@ -74,8 +74,6 @@ type listOptions struct {
 	superseded    bool // --superseded
 
 	filter string
-
-	//client helm.Interface
 }
 
 func newListCmd(actionConfig *action.Configuration, out io.Writer) *cobra.Command {

pkg/action/action.go

@@ -29,15 +29,15 @@ import (
 	"k8s.io/helm/pkg/version"
 )
 
-// Timestamper is a function that can provide a timestamp.
+// Timestamper is a function capable of producing a timestamp.Timestamper.
 //
-// If this is not set, the `time.Now()` function is used to generate
-// timestamps. This may be overridden for testing.
-type Timestamper func() time.Time
+// By default, this is a time.Time function. This can be overridden for testing,
+// though, so that timestamps are predictable.
+var Timestamper = time.Now
 
 // Configuration injects the dependencies that all actions share.
 type Configuration struct {
-	//engine    Engine
+	// Discovery contains a discovery client
 	Discovery discovery.DiscoveryInterface
 
 	// Releases stores records of releases.
@@ -46,8 +46,6 @@ type Configuration struct {
 	KubeClient environment.KubeClient
 
 	Log func(string, ...interface{})
-
-	Timestamper Timestamper
 }
 
 // capabilities builds a Capabilities from discovery information.
@@ -72,10 +70,7 @@ func (c *Configuration) capabilities() (*chartutil.Capabilities, error) {
 // If the configuration has a Timestamper on it, that will be used.
 // Otherwise, this will use time.Now().
 func (c *Configuration) Now() time.Time {
-	if c.Timestamper != nil {
-		return c.Timestamper()
-	}
-	return time.Now()
+	return Timestamper()
 }
 
 // GetVersionSet retrieves a set of available k8s API versions