[MacPorts] #57464: Buildbot: Don't keep huge ports installed

[MacPorts]

#57464: Buildbot: Don't keep huge ports installed
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  Reporter:  ryandesign     |      Owner:  admin@…
      Type:  enhancement    |     Status:  new
  Priority:  Normal         |  Milestone:
 Component:  buildbot/mpbb  |    Version:
Resolution:                 |   Keywords:
      Port:                 |
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Comment (by ryandesign):

 In [changeset:"e5ae3c56cb2ba130400e77c9c217c261d6b820a3/mpbb"
 e5ae3c56cb2ba130400e77c9c217c261d6b820a3/mpbb] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="mpbb"
 revision="e5ae3c56cb2ba130400e77c9c217c261d6b820a3"
 Also uninstall ports with only 1 dependent

 See: https://trac.macports.org/ticket/57464
 }}}

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Ticket URL: <https://trac.macports.org/ticket/57464#comment:12>
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