[Hackage] #199: when installing a new version of GHC, there should be a way to upgrade my packages

[Hackage]

#199: when installing a new version of GHC, there should be a way to upgrade my
packages
---------------------------------+------------------------------------------
  Reporter:  guest               |        Owner:                 
      Type:  enhancement         |       Status:  new            
  Priority:  normal              |    Milestone:  Cabal-1.6      
 Component:  cabal-install tool  |      Version:  1.2.3.0        
  Severity:  normal              |   Resolution:                 
  Keywords:                      |   Difficulty:  easy (<4 hours)
Ghcversion:  6.8.2               |     Platform:  Linux          
---------------------------------+------------------------------------------
Changes (by duncan):

  * difficulty:  normal => easy (<4 hours)
  * milestone:  => Cabal-1.6

Comment:

 We should record a "world" file of stuff the user explicitly requested.
 This is then the target for upgrades and re-installs when the user changes
 compiler.

 See also #198

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/199#comment:3>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects