1. post_install() {
  2.     dkms install -m nvidia -v ${1%%-*}
  3. }
  4. pre_upgrade() {
  5.     local curver=${2%%-*}
  6.     # $2 is unset due to a bug. Query current version using pacman as fallback
  7.     [ -n "$curver" ] || curver=$(pacman -Qi dkms-nvidia | awk '/^Version/{print $3}')
  8.     pre_remove $curver
  9. }
  10. post_upgrade() {
  11.     post_install ${1%%-*}
  12. }
  13. pre_remove() {
  14.     dkms remove -m nvidia -v ${1%%-*} --all
  15. }