[darcs-users] darcs patch: Make FileName.drop_dotdot work with abso... (and 2 more)

[Simon Marlow]

David Roundy wrote:
> On Thu, Sep 25, 2008 at 4:02 PM, David Roundy <droundy at darcs.net> wrote:
>> On Thu, Sep 25, 2008 at 11:06:23AM -0700, Dmitry Kurochkin wrote:
>>> Is there any reason not to use System.Directory.canonicalizePath in
>>> ioAbsolute? It seems to do just what we need.
> ....
>> I'm also still not entirely comfortable with the decision to rely on
>> the filepath package and break compatibility with ghc 6.4, so I'd
>> rather keep the number of uses down, for the moment.
> 
> Ooops.  I failed to pay attention to where canonicalizePath was
> located, so this is irrelevant.  But the issue still holds that its
> behavior is undocumented, and so the source code would have to be
> examined before we could could seriously consider this move.  Note
> that two functions above canonicalizePath in the haddock page is a
> function whose description doesn't match its behavior.

You mean the atomicity of renameFile?  We fixed that in GHC 6.10.1, FWIW.

Cheers,	
	Simon