[Unit]
Description=RetroArch system directory
Before=retroarch.service
Conflicts=umount.target shutdown.target
After=systemd-tmpfiles-setup.service
DefaultDependencies=no

[Mount]
What=none
Where=/tmp/system
Type=overlay
Options=lowerdir=/usr/share/retroarch/system,upperdir=/storage/system,workdir=/storage/.tmp/system-workdir

[Install]
WantedBy=retroarch.target