#297: cabal fetch command don't fetch packages those have already been installed
---------------------------------+------------------------------------------
  Reporter:  chylli              |        Owner:                 
      Type:  defect              |       Status:  new            
  Priority:  normal              |    Milestone:  Cabal-1.4      
 Component:  cabal-install tool  |      Version:                 
  Severity:  normal              |   Resolution:                 
  Keywords:                      |   Difficulty:  easy (<4 hours)
Ghcversion:  6.8.2               |     Platform:                 
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Changes (by duncan):

  * difficulty:  normal => easy (<4 hours)
  * milestone:  => Cabal-1.4

Comment:

 Just need to call the the dep analysis in a different environment. Remove
 any installed versions of the packages requested from the installed
 package list that we pass to the dep analysis. That means it will tell us
 that we need to install the given packages.

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/297#comment:1>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects
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