[Unit]
Description=Initialize /var/cache/man
DefaultDependencies=no
Wants=local-fs.target
After=local-fs.target
After=systemd-tmpfiles-setup.service
ConditionPathExists=/var/cache/man
ConditionPathExists=!/var/cache/man/index.db

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/usr/bin/mandb --quiet --create

[Install]
WantedBy=multi-user.target