{ lib, stdenv, fetchurl, perlPackages, mutt }:

stdenv.mkDerivation {
  pname = "grepm";
  version = "0.6";

  src = fetchurl {
    url = "http://www.barsnick.net/sw/grepm";
    sha256 = "0ppprhfw06779hz1b10qvq62gsw73shccsav982dyi6xmqb6jqji";
  };

  dontUnpack = true;

  buildInputs = [ perlPackages.grepmail mutt ];

  installPhase = ''
    mkdir -p $out/bin
    cp -a $src $out/bin/grepm
    chmod +x $out/bin/grepm
    sed -i \
      -e "s:^grepmail:${perlPackages.grepmail}/bin/grepmail:" \
      -e "s:^\( *\)mutt:\1${mutt}/bin/mutt:" \
      $out/bin/grepm
  '';

  meta = with lib; {
    description = "Wrapper for grepmail utilizing mutt";
    homepage = "https://www.barsnick.net/sw/grepm.html";
    license = licenses.free;
    platforms = platforms.unix;
    maintainers = [ maintainers.romildo ];
    mainProgram = "grepm";
  };
}
