AMD=/dev/dri/by-path/pci-0000:06:00.0-card
NVIDIA=/dev/dri/by-path/pci-0000:01:00.0-card

if [[ -e "${AMD}" ]]; then
  CARD=${AMD}
else
  CARD=${NVIDIA}
fi

ln -sf "${CARD}" "${HOME}"/.config/hypr/card