Function currentBinPath

cli/configssh.go:840–879

currentBinPath returns the path to the coder binary suitable for use in ssh ProxyCommand.

(w io.Writer)

// currentBinPath returns the path to the coder binary suitable for use in ssh
// ProxyCommand.
func currentBinPath(w io.Writer) (string, error) {
	exePath, err := os.Executable()
	if err != nil {
		return "", xerrors.Errorf("get executable path: %w", err)
	}

	binName := filepath.Base(exePath)
	// We use safeexec instead of os/exec because os/exec returns paths in
	// the current working directory, which we will run into very often when
	// looking for our own path.
	pathPath, err := safeexec.LookPath(binName)
	// On Windows, the coder-cli executable must be in $PATH for both Msys2/Git
	// Bash and OpenSSH for Windows (used by Powershell and VS Code) to function
	// correctly. Check if the current executable is in $PATH, and warn the user
	// if it isn't.
	if err != nil && runtime.GOOS == "windows" {
		cliui.Warn(w,
			"The current executable is not in $PATH.",
			"This may lead to problems connecting to your workspace via SSH.",
			fmt.Sprintf("Please move %q to a location in your $PATH (such as System32) and run `%s config-ssh` again.", binName, binName),
		)
		_, _ = fmt.Fprint(w, "\n")
		// Return the exePath so SSH at least works outside of Msys2.
		return exePath, nil
	}

	// Warn the user if the current executable is not the same as the one in
	// $PATH.
	if filepath.Clean(pathPath) != filepath.Clean(exePath) {
		cliui.Warn(w,
			"The current executable path does not match the executable path found in $PATH.",
			"This may cause issues connecting to your workspace via SSH.",
			fmt.Sprintf("\tCurrent executable path: %q", exePath),
			fmt.Sprintf("\tExecutable path in $PATH: %q", pathPath),
		)
		_, _ = fmt.Fprint(w, "\n")
	}

	return exePath, nil
}

// diffBytes takes two byte slices and diffs them as if they were in a
// file named name.