thing.nix

let
  pkgs = import <nixpkgs> {};
  template = pkgs.fetchFromGitHub {
    owner = "Wandmalfarbe"; 
    repo = "pandoc-latex-template";
    rev = "540173c741da6cc466fb698bc49d78d4f196c1a9";
    sha256 = "0qv0b2qj0jqxiag94mg7lmmxg5pznw4iksg6vyc5kxxqhrzpczb5";
  };

  mermaid = pkgs.fetchFromGitHub {
    owner = "raghur"; 
    repo = "mermaid-filter";
    rev = "cf423489fc79c7973c821dedb992a1d4ad5cb073";
    sha256 = "15fya9a8y6c4iy5kc3rwxza4ck9q1swb0bnr551qggy9fxkiv4zh";
  };
in with pkgs; stdenv.mkDerivation {
  name = "proposal";

  buildInputs = 
    [ pandoc texlive.combined.scheme-full stdenv template mermaid nodejs-9_x ];

  src = ./.;

  buildPhase = ''
    mkdir $out
    ${pandoc}/bin/pandoc -f markdown+hard_line_breaks ${./proposal.md} -o $out/proposal.pdf --template ${template}/eisvogel.tex
  '';  
}