[MacPorts] #12989: port -f upgrade considered harmful

[MacPorts]

#12989: port -f upgrade considered harmful
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 Reporter:  stephen@…           |       Owner:  macports-tickets@…                   
     Type:  defect              |      Status:  new                                  
 Priority:  Normal              |   Milestone:  MacPorts Future                      
Component:  base                |     Version:  1.5.0                                
 Keywords:                      |        Port:                                       
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Comment(by jmr@…):

 Replying to [comment:9 stephen@…]:
 > When I say "port -f upgrade p5-pathtools" I expect p5-pathtools to be
 rebuilt.  However, if I put -f in an upgrade command, I cannot predict how
 much will be rebuilt unless I'm wiling to trace the whole dependency
 graph.

 There's a dry-run mode in trunk.

 > For example, IIRC if p5-pathtools depends on p5-foo, and both depend on
 perlt, you can expect perl to be rebuilt twice.

 Actually, perl will only be rebuilt once.

 > OTOH, if you do -f -n then outdated prerequisites won't get rebuilt
 either.

 If things are genuinely outdated then you don't have to use -f. Of course
 you do have to manually intervene and use -f on some of the activations,
 but that's
 #12710.

 > It's also an unsightly waste of space in cases like this where copies of
 files get replicated ad infinitum.

 Again, the ports shouldn't conflict. #12710.

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Ticket URL: <http://trac.macports.org/ticket/12989#comment:10>
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