First of all, uninstall the eos-hooks
package, which keeps changing the data of /etc/os-release
from a hook while installing base packages.
sudo pacman -R eos-hooks
sudo pacman -Syyu --noconfirm archlinux-keyring bash bzip2 coreutils file filesystem findutils gawk gcc-libs gettext glibc grep gzip iproute2 iputils licenses pacman pciutils procps-ng psmisc sed shadow systemd systemd-sysvcompat tar util-linux xz linux