Function CommandTTYWithBuffer

internal/cmdutil/exec.go:23–36

CommandTTYWithBuffer returns a command with stdin, stdout, and stderr and a buffer that contains stdout and stderr combined.

(
	name string,
	arg ...string,
)

// CommandTTYWithBuffer returns a command with stdin, stdout, and stderr
// and a buffer that contains stdout and stderr combined.
func CommandTTYWithBuffer(
	name string,
	arg ...string,
) (*exec.Cmd, *bytes.Buffer) {
	cmd := exec.Command(name, arg...)
	cmd.Stdin = os.Stdin

	errBuf := bytes.NewBuffer(nil)
	outBuf := bytes.NewBuffer(nil)
	cmd.Stderr = io.MultiWriter(os.Stderr, errBuf)
	cmd.Stdout = io.MultiWriter(os.Stdout, outBuf)
	outBuf.Write(errBuf.Bytes())
	return cmd, outBuf
}