post_install() {
  # Enable service by default
  # WantedBy=pipewire.service, which is itself socket-activated
  systemctl --global enable pipewire-media-session.service
}

post_upgrade() {
  if (( $(vercmp "$2" '0.3.23-1') < 0)); then
    systemctl --global enable pipewire-media-session.service
  fi

  if (( $(vercmp "$2" '1:0.3.38-1') < 0)); then
    printf "\tReenable any per-user enabled pipewire-media-session.service\n \
      \tmanually to establish a new service alias for\n \
      \tpipewire-session-manager.service added with 0.3.38.\n"
    # reenable already enabled global pipewire-media-session.service, as an alias is introduced with 0.3.38
    if systemctl --global is-enabled -q pipewire-media-session.service; then
      systemctl --global reenable pipewire-media-session.service
    fi
  fi
}

pre_remove() {
  systemctl --global disable pipewire-media-session.service
}