[Hackage] #413: cabal --help should report the location of the config file

[Hackage]

#413: cabal --help should report the location of the config file
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  Reporter:  duncan               |        Owner:                   
      Type:  enhancement          |       Status:  new              
  Priority:  normal               |    Milestone:  cabal-install-0.6
 Component:  cabal-install tool   |      Version:  1.2.3.0          
  Severity:  normal               |     Keywords:                   
Difficulty:  very easy (<1 hour)  |   Ghcversion:  6.8.3            
  Platform:                       |  
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 `cabal --help` should report the location of the config file.

 Perhaps we want some other info command to say what the current
 interesting bits of config are, like if we're doing global or per-user
 installs by default, where packages will be installed etc.

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Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/413>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects