anchor.diff:    vault-api = buildFromGitHub {
       inherit (vault) rev owner repo sha256;
       subPackages = [ "api" ];
  -    propagatedBuildInputs = [ hcl structs go-cleanhttp mapstructure ];
  +    propagatedBuildInputs = [
  +      hcl
  +      structs
  +      go-cleanhttp
  +      go-multierror
  +      mapstructure
  +    ];
     };
   
     vcs = buildFromGitHub {
  
positive.code:   };
  
    net = buildFromGitHub {
      rev = "024ed629fd292398cfd43c9678a5bf004f7defdc";
      date = "2016-04-03";
      owner  = "golang";
      repo   = "net";
      sha256 = "02x9vc834f0lhvw4jj2v6l9wjv52w6aiwjrn2mmi3pws22gb79rk";
      goPackagePath = "golang.org/x/net";
      goPackageAliases = [
        "code.google.com/p/go.net"
  
negative.code:   };
  
    consul-template = buildFromGitHub {
      rev = "v0.14.0";
      owner = "hashicorp";
      repo = "consul-template";
      sha256 = "07pnhl3pcfgbwrl3vb9smqm4a6hv5knlz01ms0p001fxjazzqap9";
  
      buildInputs = [
        consul-api
  