Request #53711 has been Accepted by gromit [1]: This package has been moved to [extra], thanks for maintaining it on the AUR and the high quality pkgbuild :)
If you want to open bugs for the package or create a MR in the future just go to https://gitlab.archlinux.org/archlinux/packaging/packages/trurl [1] https://aur.archlinux.org/account/gromit/
