Merge pull request #9936 from icecrime/noecho_start_attached

Fix cli echoing container ID on start -a|-i

api/client/commands.go

@@ -747,12 +747,12 @@ func (cli *DockerCli) CmdStart(args ...string) error {
 	for _, name := range cmd.Args() {
 		_, _, err := readBody(cli.call("POST", "/containers/"+name+"/start", nil, false))
 		if err != nil {
-			if !*attach || !*openStdin {
+			if !*attach && !*openStdin {
 				fmt.Fprintf(cli.err, "%s\n", err)
 			}
 			encounteredError = fmt.Errorf("Error: failed to start one or more containers")
 		} else {
-			if !*attach || !*openStdin {
+			if !*attach && !*openStdin {
 				fmt.Fprintf(cli.out, "%s\n", name)
 			}
 		}

integration-cli/docker_cli_start_test.go

@@ -53,8 +53,8 @@ func TestStartAttachCorrectExitCode(t *testing.T) {
 
 	// make sure the container has exited before trying the "start -a"
 	waitCmd := exec.Command(dockerBinary, "wait", out)
-	if out, _, err = runCommandWithOutput(waitCmd); err != nil {
+	if _, _, err = runCommandWithOutput(waitCmd); err != nil {
-		t.Fatal(out, err)
+		t.Fatalf("Failed to wait on container: %v", err)
 	}
 
 	startCmd := exec.Command(dockerBinary, "start", "-a", out)
@@ -69,6 +69,34 @@ func TestStartAttachCorrectExitCode(t *testing.T) {
 	logDone("start - correct exit code returned with -a")
 }
 
+func TestStartSilentAttach(t *testing.T) {
+	defer deleteAllContainers()
+
+	name := "teststartattachcorrectexitcode"
+	runCmd := exec.Command(dockerBinary, "run", "--name", name, "busybox", "echo", "test")
+	out, _, _, err := runCommandWithStdoutStderr(runCmd)
+	if err != nil {
+		t.Fatalf("failed to run container: %v, output: %q", err, out)
+	}
+
+	// make sure the container has exited before trying the "start -a"
+	waitCmd := exec.Command(dockerBinary, "wait", name)
+	if _, _, err = runCommandWithOutput(waitCmd); err != nil {
+		t.Fatalf("wait command failed with error: %v", err)
+	}
+
+	startCmd := exec.Command(dockerBinary, "start", "-a", name)
+	startOut, _, err := runCommandWithOutput(startCmd)
+	if err != nil {
+		t.Fatalf("start command failed unexpectedly with error: %v, output: %q", err, startOut)
+	}
+	if expected := "test\n"; startOut != expected {
+		t.Fatalf("start -a produced unexpected output: expected %q, got %q", expected, startOut)
+	}
+
+	logDone("start - don't echo container ID when attaching")
+}
+
 func TestStartRecordError(t *testing.T) {
 	defer deleteAllContainers()