[Unit]
Description=Root Filesystem Auto-Expander
DefaultDependencies=no
# 2022-08-08: IIAB's 4 core OS's have 'After=systemd-fsck-root.service' WITHIN
# systemd-remount-fs.service, allowing us to avoid #3325 race condition w/ fsck
After=systemd-remount-fs.service
# 2022-08-08: While dphys-swapfile.service doesn't exist on Ubuntu, Mint
# and pure Debian, the following line may still serve a purpose on RasPiOS:
Before=dphys-swapfile.service

[Service]
Environment=TERM=linux
Type=oneshot
ExecStart=/usr/sbin/iiab-expand-rootfs
# 2022-08-08: By default, systemd dangerously kills rootfs expansion after just
# 90s (1TB microSD cards take ~8 min to expand).  Let's remove the time limit:
TimeoutSec=infinity
# "Standard output type syslog is obsolete"
# StandardError=syslog
# WHEREAS StandardError=journal is the default, per https://www.freedesktop.org/software/systemd/man/systemd.exec.html#StandardOutput=
RemainAfterExit=yes

[Install]
WantedBy=local-fs.target