anchor.diff:      excludedPackages = "\\(benchmark\\|example\\|bridge\\)";
     };
   
  -  etcd_client = buildFromGitHub {
  -    inherit (etcd) rev owner repo sha256 version meta;
  +  etcd_client = etcd.override {
       subPackages = [
         "client"
         "pkg/fileutil"
  
positive.code:     '';
    };
  
    vault_api = buildFromGitHub {
      inherit (vault) rev owner repo sha256 version;
      subPackages = [
        "api"
        "helper/compressutil"
        "helper/jsonutil"
      ];
      propagatedBuildInputs = [
        hcl
        go-cleanhttp
  
negative.code:     meta.useUnstable = true;
    };
  
    moby_for_nomad = moby.override {
      subPackages = [
        "api/types"
        "api/types/blkiodev"
  