anchor.diff:  , enableBloat ? false
   }:
   
  -    # Still missing these tools: enjarify, otool & lipo (maybe OS X only), showttf
  -    # Also these libraries: python3-guestfs
  -    # FIXME: move xxd into a separate package so we don't have to pull in all of vim.
  -let tools = [ acl binutils bzip2 cbfstool cdrkit cpio diffutils e2fsprogs file gettext
  -              gzip libcaca poppler_utils sng sqlite squashfsTools unzip vim xz colordiff
  -            ] ++ lib.optionals enableBloat [ colord fpc ghc gnupg1 jdk mono pdftk ];
  -in python3.pkgs.buildPythonApplication rec {
  +python3.pkgs.buildPythonApplication rec {
     pname = "diffoscope";
     name = "${pname}-${version}";
     version = "77";
  
positive.code:   postInstall = ''
      mkdir -p $out/share/man/man1
      ${docutils}/bin/rst2man.py debian/diffoscope.1.rst $out/share/man/man1/diffoscope.1
      wrapProgram $out/bin/diffoscope --prefix PATH : ${lib.makeBinPath tools}
    '';
  
    meta = with stdenv.lib; {
  
negative.code:     sed -i setup.py -e "/'rpm-python',/d"
    '';
  
    # Still missing these tools: enjarify, otool & lipo (maybe OS X only), showttf
    # Also these libraries: python3-guestfs
    # FIXME: move xxd into a separate package so we don't have to pull in all of vim.
    buildInputs =
      map lib.getBin ([ acl binutils bzip2 cbfstool cdrkit cpio diffutils e2fsprogs file gettext
        gzip libcaca poppler_utils sng sqlite squashfsTools unzip vim xz colordiff
      ] ++ lib.optionals enableBloat [ colord fpc ghc gnupg1 jdk mono pdftk ]);
  
    pythonPath = with python3.pkgs; [ debian libarchive-c python_magic tlsh rpm ];
  
    doCheck = false; # Calls 'mknod' in squashfs tests, which needs root
  