# arg 1:  the new package version
# arg 2:  the old package version
post_upgrade() {
  if (( $(vercmp "$2" '1.2.5-1') < 0 )); then
    printf "WARNING: Non-backwards compatible changes to ALSA require restarting of audio engines (e.g. pulseaudio or pipewire) using it.\n"
  fi
}