[MacPorts] #18270: port distfiles shouldn't require root

[MacPorts]

#18270: port distfiles shouldn't require root
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 Reporter:  ryandesign@…             |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:  MacPorts Future                      
Component:  base                     |     Version:  1.7.0                                
 Keywords:                           |        Port:                                       
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Comment(by ryandesign@…):

 Right, but does it really need to write a statefile? `port lint` and `port
 livecheck` were recently enhanced to not require root; I figured a similar
 change could be made to `port distfiles`.

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Ticket URL: <http://trac.macports.org/ticket/18270#comment:2>
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