anchor.diff:      version = 6;
       owner = "grafana";
       repo = "grafana";
  -    rev = "v5.1.0";
  -    sha256 = "121q4sfzrsvf6pmq7ylqmd2fvjcdn3zdylshxkn9iadnis2c5m9j";
  +    rev = "v5.1.3";
  +    sha256 = "05a1h518qdahy93ndfsa1gn45ian99sbnf4nd37vz12cy4f5y9kj";
       buildInputs = [
         aws-sdk-go
         binding
  
positive.code: 
    goexif = buildFromGitHub {
      version = 6;
      rev = "fb35d3c3290d09f3524b684b5d42d0063c227158";
      owner  = "rwcarlsen";
      repo   = "goexif";
      sha256 = "182xhihig988jnv0alc7crq3hh0fcdm3aizc41dl9civchrz0b6p";
      date = "2018-04-10";
    };
  
    gofuzz = buildFromGitHub {
  
negative.code: 
    dnscrypt-proxy = buildFromGitHub {
      version = 6;
      rev = "2.0.14";
      owner  = "jedisct1";
      repo   = "dnscrypt-proxy";
      sha256 = "0hsr32d1iwh4ii0kkmhvv1r6vwip8a4gi9y3gk2mnxac07b7gxzz";
      propagatedBuildInputs = [
        cachecontrol
        critbitgo
  