[Nix-dev] forcing dependencies (for emacs packages)

[Shea Levy]

On Jul 30, 2012, at 3:58 PM, Mathijs Kwik <mathijs at bluescreen303.nl> wrote:

> Just to clarify a bit more:
> https://github.com/bluescreen303/nixpkgs/commit/06b659f2537fdcfcb815c2f28c453337323b08af
> That commit works, but I think it's ugly.
> 
> There, you can see how this will quickly get out of hand.
> "gh" depends on "pcache" and "logito"
> "gist" depends on "gh", but needs to repeat the directory-includes and
> workarounds.
> 
> The final derivation does not know about the dependency any longer, so
> packages that would need "gist" need to do the same thing once again.
> 
> Also, if I want to install/use "gist", I need to make sure to include
> these dependencies in my profile.
> 
> I looked at other emacs packages, but didn't really see similar
> problems/solutions.
> I'm not an emacs or lisp guru, so I wouldn't know where to start cleaning up.
> Something like "propagatedBuildInputs" would be nice to have.
> But not just for builds, for installation through nix-env too.
> 

See propagatedUserEnvPkgs.

> Perhaps this can be better tackled through modification of the lisp sources?
> By hard-coding paths in there, the dependencies might work out just fine.
> 
> What do you think?
> Mathijs
> 
> 
> On Mon, Jul 30, 2012 at 8:08 PM, Mathijs Kwik <mathijs at bluescreen303.nl> wrote:
>> Hi all,
>> 
>> I'm packaging up a few packages for emacs. They are just single files,
>> really not much of a package.
>> There are some dependencies though, just using (require 'otherfile) in
>> the lisp file.
>> 
>> What would be the best way to tell nix about this dependency?
>> Right now, I need to install them all to have them available in
>> .nix-profile/share/emacs/site-lisp
>> I would like to just install 1 package, and have it sort out which
>> other packages are needed.
>> Should I patch the source files to somehow include the needed paths
>> for dependencies?
>> Or are there other tricks for nix'ing emacs?
>> 
>> Thanks,
>> Mathijs
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