[Unit] Description=Update pacman's package cache [Service] Nice=19 Type=oneshot IOSchedulingClass=2 IOSchedulingPriority=7 Environment=CHECKUPDATE_DB=/var/lib/pacman/checkupdate ExecStartPre=/bin/sh -c "/usr/bin/checkupdates > /var/log/pacman-updates.log" ExecStart=/usr/bin/pacman --sync --upgrades --downloadonly --noconfirm --dbpath=/var/lib/pacman/checkupdate