add service + timer files to update the ranking database hourly

dcs-update-ranking.service

@@ -0,0 +1,15 @@
+.include /lib/systemd/system/dcs-common.service
+
+[Unit]
+Description=Debian Code Search: update ranking
+After=postgresql.service
+
+[Service]
+Restart=no
+Type=oneshot
+ExecStart=/usr/bin/wget -q http://udd.debian.org/udd-popcon.sql.xz -O /tmp/popcon.sql.xz
+ExecStart=/bin/sh -c "echo 'DROP TABLE popcon; DROP TABLE popcon_src;' | psql udd"
+ExecStart=/bin/sh -c "xz -d -c /tmp/popcon.sql.xz | psql udd"
+ExecStart=/bin/sh -c "psql dcs < /usr/share/dcs/schema.sql"
+ExecStart=/usr/bin/dcs-compute-ranking \
+	-mirror_url=http://http.debian.net/debian

dcs-update-ranking.timer

@@ -0,0 +1,9 @@
+[Unit]
+Description=Update ranking every hour
+
+[Timer]
+OnActiveSec=1min
+OnCalendar=hourly
+
+[Install]
+WantedBy=multi-user.target