make-startupitem: add prependExtraArgs and appendExtraArgs

, after ? null

, condition ? null

, phase ? "2"

, prependExtraArgs ? []

, appendExtraArgs ? []

}:

# the builder requires that

  name = "autostart-${name}";

  priority = 5;

  buildCommand = ''

  buildCommand = let

    escapeArgs = args: lib.escapeRegex (lib.escapeShellArgs args);

    prependArgs = lib.optionalString (prependExtraArgs != []) "${escapeArgs prependExtraArgs} ";

    appendArgs = lib.optionalString (appendExtraArgs != []) " ${escapeArgs appendExtraArgs}";

  in ''

    mkdir -p $out/etc/xdg/autostart

    target=${name}.desktop

    cp ${package}/share/applications/${srcPrefix}${name}.desktop $target

    ${lib.optionalString (prependExtraArgs != [] || appendExtraArgs != []) ''

      sed -i -r "s/(Exec=)([^ ]*) (.*)/\1\2 ${prependArgs}\3${appendArgs}/" $target

    ''}

    chmod +rw $target

    echo "X-KDE-autostart-phase=${phase}" >> $target

    ${lib.optionalString (after != null) ''echo "${after}" >> $target''}