remind: refactor

, tkremind ? true

}:

let

  inherit (lib) optionals optionalString;

  tclLibraries = optionals tkremind [ tcllib tk ];

  tkremindPatch = optionalString tkremind ''

    substituteInPlace scripts/tkremind --replace "exec wish" "exec ${tk}/bin/wish"

  '';

in

tcl.mkTclDerivation rec {

  pname = "remind";

  version = "05.00.01";

  src = fetchurl {

    url = "https://dianne.skoll.ca/projects/remind/download/remind-${version}.tar.gz";

    sha256 = "sha256-tj36/lLn67/hkNMrRVGXRLqQ9Sx6oDKZHeajiSYn97c=";

    hash = "sha256-tj36/lLn67/hkNMrRVGXRLqQ9Sx6oDKZHeajiSYn97c=";

  };

  propagatedBuildInputs = tclLibraries;

  propagatedBuildInputs = lib.optionals tkremind [ tcllib tk ];

  postPatch = ''

    substituteInPlace ./configure \

      --replace "sleep 1" "true"

    substituteInPlace ./src/init.c \

      --replace "rkrphgvba(0);" "" \

      --replace "rkrphgvba(1);" ""

    ${tkremindPatch}

  postPatch = lib.optionalString tkremind ''

    # NOTA BENE: The path to rem2pdf is replaced in tkremind for future use

    # as rem2pdf is currently not build since it requires the JSON::MaybeXS,

    # Pango and Cairo Perl modules.

    substituteInPlace scripts/tkremind \

      --replace-fail "exec wish" "exec ${lib.getBin tk}/bin/wish" \

      --replace-fail 'set Remind "remind"' "set Remind \"$out/bin/remind\"" \

      --replace-fail 'set Rem2PS "rem2ps"' "set Rem2PS \"$out/bin/rem2ps\"" \

      --replace-fail 'set Rem2PDF "rem2pdf"' "set Rem2PDF \"$out/bin/rem2pdf\""

  '';

  meta = with lib; {

    description = "Sophisticated calendar and alarm program for the console";

    license = licenses.gpl2Only;

    maintainers = with maintainers; [ raskin kovirobi ];

    mainProgram = "remind";

    platforms = platforms.unix;

  };

}