[MacPorts] #20777: Subversion fetch should use peg revisions not operative revisions

[MacPorts]

#20777: Subversion fetch should use peg revisions not operative revisions
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 Reporter:  ryandesign@…             |       Owner:  macports-tickets@…                   
     Type:  defect                   |      Status:  new                                  
 Priority:  Normal                   |   Milestone:                                       
Component:  base                     |     Version:  1.7.1                                
 Keywords:                           |        Port:                                       
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 In order to ensure that a user always gets the same code for a port that
 checks out from Subversion, MacPorts uses an operative revision (`svn co
 URL -rREV`). This is insufficient in the case where the directory being
 fetched from is renamed or delete later. MacPorts should use a peg
 revision instead (`svn co URL at REV`).

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Ticket URL: <http://trac.macports.org/ticket/20777>
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