[Unit]
Description=Aime: /boot der eMMC auf die SD-Karte spiegeln (Bootkette konsistent halten)
After=local-fs.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/opt/callrec/aime-bootsync.sh
ExecStop=/opt/callrec/aime-bootsync.sh

[Install]
WantedBy=multi-user.target