[Unit]
Description=Great Internet Mersenne Prime Search client
After=network.target local-fs.target
Wants=local-fs.target

[Service]
EnvironmentFile=/etc/conf.d/gimps
User=${USER}
Group=${GROUP}
ExecStartPre=-/bin/sh -c '[ ! -e "${GIMPS_DIR}" ] && /bin/mkdir "${GIMPS_DIR}"'
ExecStartPre=/bin/chown -R ${USER}:${GROUP} ${GIMPS_DIR}
ExecStartPre=/bin/sh -c '[ ! -e "{GIMPS_DIR}/local.txt ] && echo "GIMPS has not been configured." >&2'
ExecStart=/opt/gimps/mprime -w${GIMPS_DIR} ${GIMPS_OPTIONS}
StandardOutput=null
StandardError=journal

[Install]
WantedBy=multi-user.target