[GHC] #1963: Pressing ^C at the right moment can trash GHC's package list

[GHC]

#1963: Pressing ^C at the right moment can trash GHC's package list
----------------------+-----------------------------------------------------
 Reporter:  igloo     |          Owner:  igloo  
     Type:  merge     |         Status:  new    
 Priority:  normal    |      Milestone:  6.8.3  
Component:  Compiler  |        Version:  6.8.1  
 Severity:  normal    |     Resolution:         
 Keywords:            |     Difficulty:  Unknown
 Testcase:            |   Architecture:  Unknown
       Os:  Unknown   |  
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Changes (by simonmar):

  * owner:  simonmar => igloo
  * type:  bug => merge

Comment:

 Fixed:
 {{{
 Thu Dec 13 07:40:56 PST 2007  Simon Marlow <simonmar at microsoft.com>
   * FIX #1963: catch Ctrl-C and clean up properlyFri Dec 14 04:33:45 PST
 2007  Simon Marlow <simonmar at microsoft.com>
   * always try to remove the new file before restoring the old one (#1963)
 }}}

 On Unix I think this is robust now.  On Windows I occasionally get a
 "permission denied" failure when `ghc-pkg` tries to restore the old
 package database after Ctrl-C, but I don't know why this happens, or how
 to avoid it.

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1963#comment:2>
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