[MacPorts] #65721: app portgroup: callback not used, causing issues when combined with other pgs

[MacPorts]

#65721: app portgroup: callback not used, causing issues when combined with other
pgs
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  Reporter:  mascguy  |      Owner:  mascguy
      Type:  defect   |     Status:  assigned
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.7.2
Resolution:           |   Keywords:  portgroup
      Port:  gramps   |
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Comment (by mascguy):

 Replying to [comment:3 mascguy]:
 > Hmmm, I thought that `post-destroot` blocks are run in a deterministic
 manner, based on the order in which they're registered.

 To keep this on track: The goal is to improve the situation, though it
 still may not be perfect even with the callback mechanism. (As with other
 pg interactions, inclusion order can still occasionally be problematic.)

 Does that make sense? Your thoughts?

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Ticket URL: <https://trac.macports.org/ticket/65721#comment:4>
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