[Hackage] #359: Warn if package index is older than X days

[Hackage]

#359: Warn if package index is older than X days
---------------------------------+------------------------------------------
  Reporter:  duncan              |        Owner:                     
      Type:  defect              |       Status:  closed             
  Priority:  normal              |    Milestone:  cabal-install-0.6  
 Component:  cabal-install tool  |      Version:  HEAD               
  Severity:  normal              |   Resolution:  fixed              
  Keywords:                      |   Difficulty:  very easy (<1 hour)
Ghcversion:  6.8.2               |     Platform:                     
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Changes (by duncan):

  * status:  new => closed
  * resolution:  => fixed

Comment:

 I arbitrarily picked `X=15`. So for example it'll start printing messages
 like this after 15 days.

 {{{
 Warning: The package list for 'hackage.haskell.org' is 16 days old.
 Run 'cabal update' to get the latest list of available packages.
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/hackage/ticket/359#comment:2>
Hackage <http://haskell.org/cabal/>
Hackage: Cabal and related projects