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