[MacPorts] #40150: rev-upgrade should update dependencies before attempting rebuilds

[MacPorts]

#40150: rev-upgrade should update dependencies before attempting rebuilds
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  Reporter:  fabian@…               |      Owner:  cal@…
      Type:  defect                 |     Status:  assigned
  Priority:  Normal                 |  Milestone:  MacPorts Future
 Component:  base                   |    Version:  2.2.0
Resolution:                         |   Keywords:  rev-upgrade
      Port:  gobject-introspection  |
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Comment (by coredumperror@…):

 If you could expedite this fix into the public release, I'd really
 appreciate it. I've been trying to install the git-core port, and I always
 get an error on the gobject-introspection package. It appears to be the
 same problem that fabian was suffering, but I have it a lot worse.
 Attempting to upgrade glib2 directly just causes a similar error for one
 of its dependencies. And attempting to upgrade that dependency causes
 another error for one of '''its''' dependencies. I eventually dug deep
 enough into this rabbit hole to hit the qt3 port, but it just causes
 another, apparently unrelated, error.

 Fortunately, git works without these dependencies, but gitk (the visual
 branch viewer) just instantly dies as soon as I attempt to run it.

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Ticket URL: <https://trac.macports.org/ticket/40150#comment:9>
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