[darcs-users] darcs patch: Make utf8-string mandatory. (and 1 more)

[Trent W. Buck]

On Tue, Jul 28, 2009 at 05:29:23AM +0100, Ganesh Sittampalam wrote:
> On Tue, 28 Jul 2009, Trent W. Buck wrote:
> 
> >The patch is already in HEAD, at least.  As Joachim says on the
> >Debian list, if there's a legitimate bug in zlib 0.5.0 that Darcs
> >should avoid, it's better to break haskell-platform compatibility
> >than allow compilation with a buggy zlib.
> 
> Just to be clear, to avoid any slandering of zlib ;-)
> 
> zlib 0.5.0.0 is not buggy. Darcs was previously buggy in that it
> sometimes wrote out .gz files with bad checksums and then happily
> read them back in without checking, so the bug wasn't spotted for a
> long time, leaving a significant number of files in repos that had
> this corrupt checksum (but were otherwise fine). zlib perfectly
> legitimiately refused to read them in, making it unsuitable for use
> as the default zlib binding for darcs. zlib 0.5.2.0 adds an
> interface to allow clients to be informed of the broken checksums
> but still continue, which darcs makes use of to warn the user to run
> the new 'darcs gzcrcs' commadn to repair them.

Ah, sorry for the inadvertent slander.  With your permission, I will
copy your remarks above to the aforementioned Debian bug (#538098).

I note that that Darcs currently asks for 0.5.1, but you talk about
0.5.2 above.  Is there a typo somewhere?