[darcs-users] Error on systems with case insensitive filesystems

Eric Kow kowey at darcs.net
Fri Oct 30 11:41:11 UTC 2009


On Fri, Oct 30, 2009 at 13:29:08 +0200, Dan Pascu wrote:
> I have tried this and the error persists, so it's not a filesystem case 
> sensitivity issue.
>
> I then went to change the regexp to the alternate form (^|/)core(\. 
> [0-9]+)?$ and the error went away. I guess in the end it proves to be a 
> bug in the OS X regex implementation. Most likely it doesn't like empty 
> alternative for the | operator, even though it is valid.

Excellent.  Hopefully we can boil this down into a minimal Haskell
program and bump this upstream somewhere (I guess the next level
up would be the maintainers of the regexp packages?)

Could you create a bugtracker entry if you have not already done so (I
don't recall seeing this pass through)?

-- 
Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow>
PGP Key ID: 08AC04F9
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