Re: Multiple versions

[Pjotr Prins]

On Sun, Dec 27, 2015 at 05:40:02PM +0300, Dmitry Bogatov wrote:
> It makes sence. The only problem is find required hash. Is it any idea
> to automate it?

Not really.

> > > In case of haskell/python/ruby libraries, I propose keep all versions
> > > multiplied by every version of compiler/interpreter.
> > 
> > I do the same with Ruby using profiles. I have any number of interpreters
> > installed for testing and any number of libraries using either guix or
> > the lib path with a profile in there.
> 
> But how do you solve problem, that for example you want library 
> foo-999.very.new,
> compiled with ruby-1.8, but they never existed at same time in guix
> package tree?

You can use source trees with GUIX_PACKAGE_PATH. Maybe you'll have to
move them to a source file. It is less hard than it looks if you are
committed to the idea.

Pj.