Ensure the service files are in the tarball.

[tinc] / distro / tinc.service

# This is a mostly empty service, but allows commands like stop, start, reload
# to propagate to all tinc@ service instances.

[Unit]
Description=Tinc VPN
After=network.target

[Service]
Type=oneshot
RemainAfterExit=yes
ExecStart=/bin/true
ExecReload=/bin/true
WorkingDirectory=/etc/tinc

[Install]
WantedBy=multi-user.target