[Nix-dev] Announcing New Ruby Support

Matthias Beyer mail at beyermatthias.de
Thu Jan 22 09:03:31 CET 2015


On 21-01-2015 23:29:55, Charles Strahan wrote:
>    Hello all,
>    I'm pleased to announce that the Pleasant Ruby PR has landed on master.

this is awesome news!

>    The new
>    feature - bundlerEnv - allows one to package Ruby applications with
>    Bundler.
>    To use the new system, first create (or copy over) a Gemfile describing
>    the
>    required gems.
>    Next, create a Gemfile.lock by running `bundler package --no-install` in
>    the
>    containing directory (this also creates two folders - vendor and .bundle -
>    which you'll want to delete before committing).
>    Now, you'll need to dump the lockfile as a Nix expression. To do so, use
>    Bundix
>    in the target directory:
>    A  $(nix-build '<nixpkgs>' -A bundix)/bin/bundix
>    That will drop a gemset.nix file in your current directory, which
>    describes the
>    sources for all of the gems and their respective SHAs.
>    Finally, you'll need to use bundlerEnv to build the gems. The following
>    example
>    is how we package the sup mail reader:
>    [...]

Is there a way to even automat these steps?

Ideally (for me as user) would be to be able to

    nix-env -iA pkgs.rubyGems.<insert arbitrary gem>

and nix figures out everything, including dependencies and so on.

I don't know whether this is possible or not, but I guess it would be
really cool and also beneficial in manner of packaging/maintaining

Anyways, nice to hear that Ruby support gets better!

Mit freundlichen Grüßen,
Kind regards,
Matthias Beyer

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