[Unit]
Description=dnf5 makecache
# On systems managed by either rpm-ostree/ostree, dnf is read-only;
# while someone might theoretically want the cache updated, in practice
# anyone who wants that could override this via a file in /etc.
ConditionPathExists=!/run/ostree-booted
ConditionACPower=true

After=network-online.target

[Service]
Type=oneshot
Nice=19
IOSchedulingClass=2
IOSchedulingPriority=7
ExecStart=/usr/bin/dnf5 makecache