running update dependencies for local charts

helmexec/exec.go

@@ -46,6 +46,12 @@ func (helm *execer) UpdateRepo() error {
 	return err
 }
 
+func (helm *execer) UpdateDeps(chart string) error {
+	out, err := helm.exec("dependency", "update", chart)
+	helm.write(out)
+	return err
+}
+
 func (helm *execer) SyncRelease(name, chart string, flags ...string) error {
 	out, err := helm.exec(append([]string{"upgrade", "--install", name, chart}, flags...)...)
 	helm.write(out)
@@ -86,4 +92,4 @@ func (helm *execer) write(out []byte) {
 	if helm.writer != nil {
 		helm.writer.Write(out)
 	}
-}
+}

helmexec/exec_test.go

@@ -100,6 +100,24 @@ func Test_SyncRelease(t *testing.T) {
 	}
 }
 
+func Test_UpdateDeps(t *testing.T) {
+	var buffer bytes.Buffer
+	helm := MockExecer(&buffer, "dev")
+	helm.UpdateDeps("./chart/foo")
+	expected := "exec: helm dependency update ./chart/foo --kube-context dev\n"
+	if buffer.String() != expected {
+		t.Errorf("helmexec.SyncRelease()\nactual = %v\nexpect = %v", buffer.String(), expected)
+	}
+
+	buffer.Reset()
+	helm.SetExtraArgs("--verify")
+	helm.UpdateDeps("./chart/foo")
+	expected = "exec: helm dependency update ./chart/foo --verify --kube-context dev\n"
+	if buffer.String() != expected {
+		t.Errorf("helmexec.AddRepo()\nactual = %v\nexpect = %v", buffer.String(), expected)
+	}
+}
+
 func Test_DecryptSecret(t *testing.T) {
 	var buffer bytes.Buffer
 	helm := MockExecer(&buffer, "dev")

helmexec/helmexec.go

@@ -5,7 +5,7 @@ type Interface interface {
 
 	AddRepo(name, repository, certfile, keyfile string) error
 	UpdateRepo() error
-
+	UpdateDeps(chart string) error
 	SyncRelease(name, chart string, flags ...string) error
 	DiffRelease(name, chart string, flags ...string) error
 	DeleteRelease(name string) error