[Haskell-cafe] Automatically test different versions of single dependency

Daniel Díaz Casanueva dhelta.diaz at gmail.com
Thu Jul 4 15:01:41 CEST 2013

Hello, Alp.

Thank you for your response. Currently, I am extracting the information
from the 00-index.tar.gz, and planning to use cabal-dev for the builds.
Using the cabal tool directly looks like a very bad idea to me. I am still
interested in knowing if there is some related job already done, or any
other clever ideas that I didn't manage to think of. However, this looks
like the best approach right now.

Thank you,
Daniel Díaz.

On Thu, Jul 4, 2013 at 2:36 PM, Alp Mestanogullari <alpmestan at gmail.com>wrote:

> You can just write a bash script that will do:
>     cabal install --constraint='bar == v'
> for all the values of 'v' (0.1, 0.2,, ...) you are interested in.
> You can be aware of all the existing versions just using the directory
> listing in http://hackage.haskell.org/packages/archive/containers/ (for
> the 'containers' package in this case) or by using cabal-install cleverly
> maybe?
> I just saw 'cabal info containers' gives a list of available versions, up
> to a point... after which it says "(and 4 others)". So maybe go see how
> 'cabal info' does this? But all in all, this should give you enough to work
> out a nice solution.
> On Thu, Jul 4, 2013 at 12:56 PM, Daniel Díaz Casanueva <
> dhelta.diaz at gmail.com> wrote:
>> Hello everyone.
>> I would like to check what dependencies is one of my packages compatible
>> with. For example, say I have a package called "foo" that depends on
>> package "bar". Most likely, "foo" does not build with each version of
>> "bar". What I want to do is try to build "foo" with each single version of
>> "bar" (not manually).
>> What is the best approach to this?
>> _______________________________________________
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> --
> Alp Mestanogullari
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