[Unit]
Description=Update and restart OS
Requires=network.target
After=network.target

[Service]
Type=oneshot
IgnoreSIGPIPE=no
ExecStart=/usr/bin/paru -Syu --noconfirm
ExecStartPost=/bin/bash -c '/usr/local/bin/arch-needs-restart | grep -Piq '"'"'# [^:]+: reboot required'"'"' && reboot || true'

[Install]
WantedBy=multi-user.target