anchor.diff:  , pkg-config
   , libselinux
   , go-md2man
  +, installShellFiles
   }:
   
   let
  
positive.code:     # depends on buildGoPackage not changing …
      pushd ./go/src/${goPackagePath}
      make install-docs MANINSTALLDIR="$man/share/man"
      popd
    '';
  
  
negative.code: 
    excludedPackages = [ "integration" ];
  
    nativeBuildInputs = [ pkg-config go-md2man installShellFiles ];
    buildInputs = [ gpgme ]
    ++ stdenv.lib.optionals stdenv.isLinux [ libgpgerror lvm2 btrfs-progs libselinux ];
  
  