terminal: rename PasswordPromptOutput -> TerminalOutput

Give it a more general name as it gets used for other terminal things
like progress output

fs/config/ui.go

@@ -716,9 +716,9 @@ func checkPassword(password string) (string, error) {
 
 // GetPassword asks the user for a password with the prompt given.
 func GetPassword(prompt string) string {
-	_, _ = fmt.Fprintln(terminal.PasswordPromptOutput, prompt)
+	_, _ = fmt.Fprintln(terminal.TerminalOutput, prompt)
 	for {
-		_, _ = fmt.Fprint(terminal.PasswordPromptOutput, "password:")
+		_, _ = fmt.Fprint(terminal.TerminalOutput, "password:")
 		password := ReadPassword()
 		password, err := checkPassword(password)
 		if err == nil {

fs/log/redirect_stderr_unix.go

@@ -19,7 +19,7 @@ func redirectStderr(f *os.File) {
 	if err != nil {
 		log.Fatalf("Failed to duplicate stderr: %v", err)
 	}
-	terminal.PasswordPromptOutput = os.NewFile(uintptr(passPromptFd), "passPrompt")
+	terminal.TerminalOutput = os.NewFile(uintptr(passPromptFd), "passPrompt")
 	err = unix.Dup2(int(f.Fd()), int(os.Stderr.Fd()))
 	if err != nil {
 		log.Fatalf("Failed to redirect stderr to file: %v", err)

lib/terminal/terminal.go

@@ -69,14 +69,14 @@ var (
 	// make sure that start is only called once
 	once sync.Once
 
-	// PasswordPromptOutput is output of prompt for password
-	PasswordPromptOutput = os.Stderr
+	// TerminalOutput is for password prompt progress output
+	TerminalOutput = os.Stderr
 )
 
 // Start the terminal - must be called before use
 func Start() {
 	once.Do(func() {
-		f := PasswordPromptOutput
+		f := TerminalOutput
 		if !IsTerminal(int(f.Fd())) {
 			// If output is not a tty then remove escape codes
 			Out = colorable.NewNonColorable(f)