Nix expression for building a reveal.js presentation using pandoc.

default.nix

{ pkgs ? import (builtins.fetchTarball {
    # nixpkgs-unstable 2019-01-22
    url = https://github.com/NixOS/nixpkgs/archive/a5de41088031e6d3d4f799ef3964317a74e72169.tar.gz;
    sha256 = "0ycsai65dbcwmns36a0pkxpsgpl86q273c27ag80nijfb1w88201";
  }) {}

, revealjs ? pkgs.fetchFromGitHub {
    owner = "hakimel";
    repo = "reveal.js";
    rev = "3.7.0";
    sha256 = "1raqacq2c6rcbqkli1jygw68nqs090zm59zrbdvflk6y1mzk93nd";
  }
}:

pkgs.runCommand "ruby-talk" {} ''
  mkdir $out
  ln -s ${revealjs} $out/reveal.js
  ${pkgs.pandoc}/bin/pandoc -s -t revealjs -o $out/index.html ${./slides.md}
''