gentoo-overlay/dev-util/buildbot/files/buildmaster_at.service

[Unit]
Description=buildbot master daemon
After=local-fs.target network.target
PartOf=buildmaster.target

[Service]
Environment=BASEDIR=/var/lib/buildmaster
Type=forking
User=buildbot
ExecStartPre=/usr/bin/buildbot checkconfig ${BASEDIR}/%i
ExecStart=/usr/bin/buildbot start ${BASEDIR}/%i
ExecStop=/usr/bin/buildbot stop ${BASEDIR}/%i

[Install]
WantedBy=buildmaster.target