[Haskell-cafe] I wish cabal-dev to travel back in time

Bardur Arantsson spam at scientician.net
Sat May 11 18:24:43 CEST 2013


On 05/11/2013 11:10 AM, Alberto G. Corona wrote:
> Hi Café:
> 
> 
> 
> I created just now an issue in cabal-dev:
> 
> 
> 
> https://github.com/creswick/cabal-dev/issues/101
> 
> 
> 
> When compiling old developments, I wish cabal-dev to install and build
> dependencies that were available at a that time
> 
> I don't know if  there are alternatives to solving this issue. I think that
> this is very useful and necessary, specially now when library updates are
> increasingly frequent.
> 
> Maybe this problem is already solved and I just don´t know (as is often the
> case, for example when, in a sudden aha moment, I reinvented cabal-install
> months after the release). That is the reason why I tell you about it here
> in order to discuss it.
> 

This is an issue that the JVM ecosystem is struggling with as well. I'd
encourage people who are thinking about implementing something to have a
look at

   https://github.com/sbt/adept/wiki/NEScala-Proposal

and especially the linked video.





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