[MacPorts] #15485: RFE: Use distfiles mirror and fallback also for URLs with tags

[MacPorts]

#15485: RFE: Use distfiles mirror and fallback also for URLs with tags
---------------------------------------+------------------------------------
 Reporter:  raimue at macports.org        |       Owner:  macports-tickets at lists.macosforge.org
     Type:  defect                     |      Status:  new                                  
 Priority:  Normal                     |   Milestone:  MacPorts base enhancements           
Component:  ports                      |     Version:  1.7.0                                
 Keywords:  distfiles mirror fallback  |  
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 If a URL in `master_sites` has a tag, the distfiles mirror and the
 fallback sites are not considered.

 For example:
 {{{
 master_sites    http://foo.example.org/:tag1 http://bar.example.org/:tag2
 distfiles       foo:tag1 bar:tag2
 }}}

 In this example, `foo` should be downloaded from `foo.example.org`, `tag2`
 from `bar.example.org`. But the distfiles mirror and the fallback site are
 not added.

-- 
Ticket URL: <http://trac.macports.org/ticket/15485>
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