fix(tiller): delete all revisions with --purge

closes: #1395

cmd/tiller/release_server.go

@@ -803,6 +803,15 @@ func (s *releaseServer) execHook(hs []*release.Hook, name, namespace, hook strin
 	return nil
 }
 
+func (s *releaseServer) purgeReleases(rels ...*release.Release) error {
+	for _, rel := range rels {
+		if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
 func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallReleaseRequest) (*services.UninstallReleaseResponse, error) {
 	if !checkClientVersion(c) {
 		return nil, errIncompatibleVersion
@@ -829,7 +838,7 @@ func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallR
 	// already marked deleted?
 	if rel.Info.Status.Code == release.Status_DELETED {
 		if req.Purge {
-			if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
+			if err := s.purgeReleases(rels...); err != nil {
 				log.Printf("uninstall: Failed to purge the release: %s", err)
 				return nil, err
 			}
@@ -882,7 +891,7 @@ func (s *releaseServer) UninstallRelease(c ctx.Context, req *services.UninstallR
 			log.Printf("uninstall: Failed to store updated release: %s", err)
 		}
 	} else {
-		if _, err := s.env.Releases.Delete(rel.Name, rel.Version); err != nil {
+		if err := s.purgeReleases(rels...); err != nil {
 			log.Printf("uninstall: Failed to purge the release: %s", err)
 		}
 	}

cmd/tiller/release_server_test.go

@@ -902,7 +902,11 @@ func TestUninstallRelease(t *testing.T) {
 func TestUninstallPurgeRelease(t *testing.T) {
 	c := helm.NewContext()
 	rs := rsFixture()
-	rs.env.Releases.Create(releaseStub())
+	rel := releaseStub()
+	rs.env.Releases.Create(rel)
+	upgradedRel := upgradeReleaseVersion(rel)
+	rs.env.Releases.Update(rel)
+	rs.env.Releases.Create(upgradedRel)
 
 	req := &services.UninstallReleaseRequest{
 		Name:  "angry-panda",
@@ -922,13 +926,16 @@ func TestUninstallPurgeRelease(t *testing.T) {
 		t.Errorf("Expected status code to be DELETED, got %d", res.Release.Info.Status.Code)
 	}
 
-	if res.Release.Hooks[0].LastRun.Seconds == 0 {
-		t.Error("Expected LastRun to be greater than zero.")
-	}
-
 	if res.Release.Info.Deleted.Seconds <= 0 {
 		t.Errorf("Expected valid UNIX date, got %d", res.Release.Info.Deleted.Seconds)
 	}
+	rels, err := rs.GetHistory(helm.NewContext(), &services.GetHistoryRequest{Name: "angry-panda"})
+	if err != nil {
+		t.Fatal(err)
+	}
+	if len(rels.Releases) != 0 {
+		t.Errorf("Expected no releases in storage, got %d", len(rels.Releases))
+	}
 }
 
 func TestUninstallPurgeDeleteRelease(t *testing.T) {