bazzite/system_files/desktop/shared/usr/bin/ublue-flatpak-system-install

#!/usr/bin/env bash
source /etc/default/bazzite

if [[ -f '/etc/flatpak/install' ]]; then
  cp -r /etc/flatpak/flathub/* /var/lib/flatpak/repo/refs/remotes/flathub
  cp -r /etc/flatpak/objects/* /var/lib/flatpak/repo/objects
  cat /etc/flatpak/install | while read line; do
    flatpak install --system --noninteractive --no-pull flathub $line
  done && mv /etc/flatpak/install /etc/flatpak/installed
fi

if [[ -f '/etc/flatpak/remove' ]]; then
  cat /etc/flatpak/remove | while read line; do
    flatpak remove --system --noninteractive $line
  done && mv /etc/flatpak/install /etc/flatpak/removed
fi

if [[ -f '/etc/flatpak/deck' ]]; then
  if [[ ${IMAGE_NAME} == *'deck'* ]]; then
    cat /etc/flatpak/deck | while read line; do
      flatpak install --system --noninteractive --no-pull flathub $line
    done && cat /etc/flatpak/deck >> /etc/flatpak/installed
  fi
fi

rm -rf /etc/flatpak/{deck,flathub,objects}