[haskell-platform] #25: Installer sets(!) the path instead of properly appending

[haskell-platform]

#25: Installer sets(!) the path instead of properly appending
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 Reporter:  torsten.kemps-benedix at sks-ub.de  |        Owner:  refold
     Type:  defect                           |       Status:  closed
 Priority:  critical                         |    Milestone:        
Component:  Windows installer                |   Resolution:  fixed 
 Keywords:                                   |  
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Comment (by refold):

 EnvVarUpdate does the wrong thing only when length(PATH) >
 length(STR_MAX), where STR_MAX is the maximum string length in the NSIS
 build we're using (chosen at the configure stage). So we shouldn't need
 additional checks, at least in current Windows versions.

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Ticket URL: <http://trac.haskell.org/haskell-platform/ticket/25#comment:12>
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