[MacPorts] #20340: ghc-devel fails to fetch

[MacPorts]

#20340: ghc-devel fails to fetch
----------------------------+-----------------------------------------------
 Reporter:  gale@…          |       Owner:  gwright@…           
     Type:  defect          |      Status:  assigned            
 Priority:  Normal          |   Milestone:                      
Component:  ports           |     Version:  1.7.1               
 Keywords:                  |        Port:  ghc-devel           
----------------------------+-----------------------------------------------

Comment(by ryandesign@…):

 The obsolete "cd" command was removed from ghc-devel in r54981; a pre-
 fetch block was also added which deliberately prevents installation of the
 port at all.

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Ticket URL: <http://trac.macports.org/ticket/20340#comment:3>
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