anchor.diff:            sha256 = "0vhb1harjvr6vzbqwqdhrfc9r3nk3lpl2srm895r977fq3ngkc2a";
           };
         in
  -        runCommandNoCC "MIDI.js.git" { buildInputs = [gnutar]; } ''
  +        runCommand "MIDI.js.git" { buildInputs = [gnutar]; } ''
             # Set u+w because tar-fs can't unpack archives with read-only dirs
             # https://github.com/mafintosh/tar-fs/issues/79
             tar cf $out --mode u+w -C ${repo} .
  
positive.code: { fetchurl, fetchgit, linkFarm, runCommandNoCC, gnutar }: rec {
    offline_cache = linkFarm "offline" packages;
    packages = [
      {
  
negative.code:           sha256 = "194m65wax0q2iqc1237iix6gsyyzjjmbifk4lm0bni7x2qa5alrx";
          };
        in
          runCommand "Idle.js" { buildInputs = [gnutar]; } ''
            # Set u+w because tar-fs can't unpack archives with read-only dirs
            # https://github.com/mafintosh/tar-fs/issues/79
            tar cf $out --mode u+w -C ${repo} .
  