anchor.diff:  
     doCheck = false;
   
  -  nativeBuildInputs = [ installShellFiles pkg-config ];
  +  nativeBuildInputs = [ go-md2man installShellFiles pkg-config ];
   
     buildInputs = [
       btrfs-progs
  
positive.code: 
    buildPhase = ''
      patchShebangs .
      make GIT_COMMIT="unknown"
      make -C docs
    '';
  
    installPhase = ''
      install -Dm755 buildah $out/bin/buildah
      installShellCompletion --bash contrib/completions/bash/buildah
      make -C docs install PREFIX="$man"
    '';
  
negative.code: 
  buildGoModule rec {
    pname = "buildah";
    version = "1.16.0";
  
    src = fetchFromGitHub {
      owner = "containers";
      repo = "buildah";
      rev = "V${version}";
      sha256 = "0z9fblxm3pk2jqw7h36clmj8k4k39n6ab536lyh0rp6p7hz5a988";
    };
  
    outputs = [ "out" "man" ];
  