[Hackage] #380: Ability to blacklist packages that are on hackage

[Hackage]

#380: Ability to blacklist packages that are on hackage
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  Reporter:  guest               |        Owner:                    
      Type:  enhancement         |       Status:  new               
  Priority:  normal              |    Milestone:  cabal-install-0.14
 Component:  cabal-install tool  |      Version:  1.2.3.0           
  Severity:  normal              |     Keywords:                    
Difficulty:  hard (< 1 day)      |   Ghcversion:  6.8.3             
  Platform:                      |  
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Changes (by kosmikus):

  * milestone:  cabal-install-0.8 => cabal-install-0.14


Comment:

 In the modular solver, constraints have reasons already. This is related
 to #925.

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/380#comment:3>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects