[Haskell-beginners] development workflow ?

João Cristóvão jmacristovao at gmail.com
Tue Apr 29 19:03:12 UTC 2014

> "git clone https://github.com/benl23x5/gloss" will get you
> the latest and greatest

Or, for a recent enough cabal, and properly written cabal files, like the
one from gloss:

cabal get -s gloss

2014-04-29 18:12 GMT+01:00 Chaddaï Fouché <chaddai.fouche at gmail.com>:

> On Fri, Apr 25, 2014 at 4:41 PM, John M. Dlugosz <ngnr63q02 at sneakemail.com
> > wrote:
>> If you're working on a Haskell project that includes packages, and the
>> packages are in subdirectories of the source tree, how do you "build"?
>> In my case, I want to alter the "gloss" package so I unpacked it, changed
>> the name to "customgloss" in the .cabal file, and installed.  Meanwhile, I
>> used the package-quallified import GHC feature.
> While that's not the question you asked, I note that you unpacked gloss
> which probably means "cabal unpack gloss" (?). This is in general a
> terrible idea because the latest released version may not be up to the
> development version and if you want to work sanely, you'll have to put this
> code in revision control, and you won't use the same as the author and so
> on... So when you send a patch he may not be able to simply apply it to his
> latest version and then it'll sit forgotten in his mail box and your work
> will be lost for the community (ok, I may be overdoing it here...).
> So the sane alternative is to check on the hackage page if a repository is
> specified, like here : "git clone https://github.com/benl23x5/gloss" will
> get you the latest and greatest, already in revision control and facilitate
> the creation of a pull request in the future (in fact if you have a github
> account, it's even better to go to this page and fork his repo to have your
> own version on github).
> --
> Jedaï
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