def METHOD_NAME(self):
    """getBashPath - Get the path to 'bash'"""
    if self.bashPath is not None:
        return self.bashPath
    self.bashPath = lit.util.which('bash', os.pathsep.join(self.path))
    if self.bashPath is None:
        self.bashPath = lit.util.which('bash')
    if self.bashPath is None:
        self.bashPath = ''
    # Check whether the found version of bash is able to cope with paths in
    # the host path format. If not, don't return it as it can't be used to
    # run scripts. For example, WSL's bash.exe requires '/mnt/c/foo' rather
    # than 'C:\\foo' or 'C:/foo'.
    if self.isWindows and self.bashPath:
        command = [self.bashPath, '-c',
                   '[[ -f "%s" ]]' % self.bashPath.replace('\\', '\\\\')]
        _, _, exitCode = lit.util.executeCommand(command)
        if exitCode:
            self.note('bash command failed: %s' % (
                ' '.join('"%s"' % c for c in command)))
            self.bashPath = ''
    if not self.bashPath:
        self.warning('Unable to find a usable version of bash.')
    return self.bashPath