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

[MacPorts]

#53587: buildbot: portwatcher should not run if portbuilder is still running
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  Reporter:  ryandesign      |      Owner:  admin@…
      Type:  defect          |     Status:  new
  Priority:  Normal          |  Milestone:
 Component:  server/hosting  |    Version:
Resolution:                  |   Keywords:
      Port:                  |
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Comment (by mojca):

 It is probably also possible to rebuild a single job on the port builder
 (circumventing the watcher). But that's less of a problem than this one, I
 agree.

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Ticket URL: <https://trac.macports.org/ticket/53587#comment:2>
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