gentoo-overlay/dev-util/jenkins-bin/files/jenkins-bin-r2.service

[Unit]
Description=Jenkins Daemon

[Service]
EnvironmentFile=/etc/conf.d/jenkins
Type=forking
ExecStart=/usr/bin/java ${JENKINS_JAVA_OPTIONS} -DJENKINS_HOME=${JENKINS_HOME} -jar ${JENKINS_WAR} --daemon --logfile=/var/log/jenkins/jenkins.log --httpPort=${JENKINS_PORT} --debug=${JENKINS_DEBUG_LEVEL} --handlerCountMax=100 --handlerCountMaxIdle=20 --accessLoggerClassName=winstone.accesslog.SimpleAccessLogger --simpleAccessLogger.format=combined --simpleAccessLogger.file=/var/log/jenkins/access_log ${JENKINS_ARGS}
User=jenkins

[Install]
WantedBy=multi-user.target