[MacPorts] #53587: buildbot: portwatcher should not run if portbuilder is still running

[MacPorts]

#53587: buildbot: portwatcher should not run if portbuilder is still running
----------------------------+----------------------
  Reporter:  ryandesign     |      Owner:  admin@…
      Type:  defect         |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  buildbot/mpbb  |    Version:
Resolution:                 |   Keywords:  buildbot
      Port:                 |
----------------------------+----------------------

Comment (by ryandesign):

 In [changeset:"7c3daba5112fcf7417c1a9d37f7fb65bace699b4/mpbb"
 7c3daba5112fcf7417c1a9d37f7fb65bace699b4/mpbb] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="mpbb"
 revision="7c3daba5112fcf7417c1a9d37f7fb65bace699b4"
 Wait before cleaning watcher if "wait" file exists

 See: https://trac.macports.org/ticket/53587
 }}}

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Ticket URL: <https://trac.macports.org/ticket/53587#comment:6>
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