anchor.diff:      done
     '' + stdenv.lib.optionalString (!stdenv.isDarwin) ''
       sed -i "s|(hostname\||(${nettools}/bin/hostname\||" "$out/share/fish/functions/fish_prompt.fish"
  -    sed -i "s|Popen(\['manpath'|Popen(\['${man_db}/bin/manpath'|" "$out/share/fish/tools/create_manpage_completions.py"
  -    sed -i "s|command manpath|command ${man_db}/bin/manpath|" "$out/share/fish/functions/man.fish"
  +    sed -i "s|Popen(\['manpath'|Popen(\['${man-db}/bin/manpath'|" "$out/share/fish/tools/create_manpage_completions.py"
  +    sed -i "s|command manpath|command ${man-db}/bin/manpath|" "$out/share/fish/functions/man.fish"
     '' + ''
       sed -i "s|/sbin /usr/sbin||" \
              "$out/share/fish/functions/__fish_complete_subcommand_root.fish"
  
positive.code:   # Required binaries during execution
    # Python: Autocompletion generated from manpages and config editing
    propagatedBuildInputs = [ python which groff gettext ]
                            ++ stdenv.lib.optional (!stdenv.isDarwin) man_db
                            ++ [ bc coreutils ];
  
    postInstall = ''
  
negative.code: { stdenv, fetchurl, ncurses, nettools, python, which, groff, gettext, man-db,
    bc, libiconv, coreutils, gnused, kbd, utillinux, glibc }:
  
  stdenv.mkDerivation rec {
  