Check for modified/updated unit files, and run a daemon-reload if any are
    found.

def _check_for_unit_changes(name):
    '''
    Check for modified/updated unit files, and run a daemon-reload if any are
    found.
    '''
    contextkey = 'systemd._check_for_unit_changes.{0}'.format(name)
    if contextkey not in __context__:
        if _untracked_custom_unit_found(name) or _unit_file_changed(name):
            systemctl_reload()
        # Set context key to avoid repeating this check
        __context__[contextkey] = True