[darcs-users] should darcs use the curl binding on hackage?

Sigbjorn Finne sigbjorn.finne at gmail.com
Tue Mar 17 20:17:56 UTC 2009

Thanks Dmitry and Eric,

it would be an honour to be able to support darcs via this binding.
Knowing that having 'multi' is a requirement for you is useful
feedback; it was left out because there wasn't an initial pull for it.
Now there is :)

I'll take care of the other details referred to below.


Dmitry Kurochkin wrote:
> 2009/3/16 Eric Kow <kowey at darcs.net>:
>> I'm CC'ing Sigbjorn (the current maintainer of the curl package on hackage) in
>> case he has any comments on the matter.
>> Sigbjorn: darcs currently uses its own binding on libcurl.  We're quite
>> interested in paring darcs down as much as possible, outsourcing anything that
>> doesn't need to be done in-house.  We might be interested in using the curl
>> binding.  Do you think it would be straightforward to address concerns below?
>> Many thanks!
>> On Mon, Mar 16, 2009 at 10:09:12 +1100, Trent W. Buck wrote:
>>> While we're on the subject, has anyone evaluated using external
>>> haskell/curl bindings?
>>> $ cabal list curl
>>> * curl
>>>     Synopsis: Haskell binding to libcurl
>>>     Latest version available: 1.3.4
>>>     Latest version installed: [ Not installed ]
>>>     License:  BSD3
>> I think Dmitry has pointed out that the current bindings do not support
>> HTTP pipelining.
> AFAIK haskell curl bindings support only easy libcurl API. Easy API
> was used by darcs before pipelining support. To use pipelining we need
> multi curl API support. IMHO it is much more work to provide bindings
> to curl multi API.
> Regards,
>   Dmitry
>> Also for his work on camp, Ian is avoiding it because of the following
>> concerns he has about it
>>  * Hardcoded constants
>>  * Explicit global withCurlDo, but individual instances get finalisers which
>>   thus may not run before global cleanup?
>>  * -fvia-C in options pragmas, including generating warnings from the mangler
>> Thanks!
>> --
>> Eric Kow <http://www.nltg.brighton.ac.uk/home/Eric.Kow>
>> PGP Key ID: 08AC04F9

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