anchor.diff:      owner = "etcd-io";
       repo = "etcd";
       rev = "v${version}";
  -    sha256 = "1rd390qfx9k20j9gh1wp1g9ygc571f2kv1dg2wvqij3kwydhymcj";
  +    sha256 = "10cyy6jr2xzmla5yyn850cv323ixrk70fjpk8lxjjjvy0ffmb6hj";
     };
   
     buildPhase = ''
  
positive.code:     install -Dm755 bin/* bin/functional/cmd/* -t $out/bin
    '';
  
    passthru.tests = with nixosTests; {
      etcd = etcd;
      etcd-cluster = etcd-cluster;
    };
  
    meta = with lib; {
      description = "Distributed reliable key-value store for the most critical data of a distributed system";
  
negative.code: 
  buildGoPackage rec {
    pname = "etcd";
    version = "3.3.25";
  
    goPackagePath = "github.com/coreos/etcd";
  
  