def describe_event(event, tag):
    """ Textual description for this task's method and attributes. """
    task = event.task
    desc = task.method
    if task.is_scratch:
        desc = 'scratch %s' % desc
    if task.package:
        desc = '%s %s' % (task.package, desc)
    if task.target:
        desc += ' for %s' % task.target
    if task.arch:
        desc += ' for %s' % task.arch
    if tag:
        desc += ' for tag %s' % tag
    return desc
