anchor.diff:        wider glyphs are adjusted for weight. Curved caps like 'C' and 'O'
         take on the straighter sides from Roboto Condensed.
       '';
  -    license = stdenv.lib.licenses.asl20;
  -    maintainers = [ stdenv.lib.maintainers.romildo ];
  -    platforms = stdenv.lib.platforms.all;
  +    license = licenses.asl20;
  +    platforms = platforms.all;
  +    maintainers = [ maintainers.romildo ];
     };
   }
  
positive.code: { stdenv, fetchurl }:
  
  let
    # last commit on the directory containing the fonts in the upstream repository
    commit = "883939708704a19a295e0652036369d22469e8dc";
  in
  stdenv.mkDerivation {
    pname = "roboto-mono";
    version = "2016-01-11";
  
    srcs = [
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Regular.ttf";
        sha256 = "0r6g1xydy824xbbjilq6pvrv8611ga3q1702v5jj1ly5np6gpddz";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Bold.ttf";
        sha256 = "0x9qnrbd7hin873wjzrl6798bvakixd86qdw0z5b4sm56f7fjl32";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Italic.ttf";
        sha256 = "17aia6hgpjvvrl79y0f67ncr5y1nhyxj0dzqwdg3dycsa4kij59q";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-BoldItalic.ttf";
        sha256 = "05gqfnps6qzxgyxrrmkmw0by3j88lf88v67n8jgi2chhhm0sw40q";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Medium.ttf";
        sha256 = "0ww96qd0cyj3waxf7a98hyd4cp8snajjvjmbhr66zilql8ylfzk0";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-MediumItalic.ttf";
        sha256 = "1n2cvvcpwm68lazfh3s3xhj4mrc01x84mi2ackwf8ahd95fk9p5y";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Light.ttf";
        sha256 = "0na2sxz3n1km1ryz002spfa65d91fm48x0qcda2ac0rly7dgaqjf";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-LightItalic.ttf";
        sha256 = "171fr8wsbmvfllsbmb9pcdax2qfzhbqzyxfn5bcrz9kx5k9x6198";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-Thin.ttf";
        sha256 = "0pv54afyprajb16ksm5vklc1q76iv72v427wgamqzrzyvxgn6ymj";
      })
      (fetchurl {
        url = "https://raw.githubusercontent.com/google/fonts/${commit}/apache/robotomono/RobotoMono-ThinItalic.ttf";
        sha256 = "1ziyysl09z24l735y940g92rqhn9v4npwqzajj9m1kn0xz21r1aw";
      })
    ];
  
  
negative.code: 
    outputHashAlgo = "sha256";
    outputHashMode = "recursive";
    outputHash = "0fkx2z97k29n1392bf76iwdyz44yp86hmqah7ai6bikzlia38qa0";
  
    meta = with stdenv.lib; {
      homepage = "https://www.google.com/fonts/specimen/Roboto+Mono";
      description = "Google Roboto Mono fonts";
      longDescription = ''
        Roboto Mono is a monospaced addition to the Roboto type family. Like
  