anchor.diff:  { stdenv
   , buildGoModule
   , fetchFromGitHub
  -, runCommand
   , gpgme
   , lvm2
   , btrfs-progs
  
positive.code: 
    buildPhase = ''
      patchShebangs .
      make binary-local
    '';
  
    installPhase = ''
      make install-binary PREFIX=$out
      make install-docs MANINSTALLDIR="$man/share/man"
      installShellCompletion --bash completions/bash/skopeo
    '';
  
  
negative.code: , installShellFiles
  , makeWrapper
  , fuse-overlayfs
  }:
  
  buildGoModule rec {
    pname = "skopeo";
    version = "1.2.0";
  
    src = fetchFromGitHub {
      rev = "v${version}";
      owner = "containers";
      repo = "skopeo";
      sha256 = "1v7k3ki10i6082r7zswblyirx6zck674y6bw3plssw4p1l2611rd";
    };
  
    outputs = [ "out" "man" ];
  