--- /dev/null
+#!/bin/sh
+
+# Script to sync the "checkupdate.txt" file on the web host with the version currently in git.
+# Run this as root from the /var/www/update.xonotic.org directory.
+
+set -e
+
+export PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games"
+cd /var/www/update.xonotic.org
+
+rm -f checkupdate.txt
+wget -qO checkupdate.txt "http://git.xonotic.org/?p=xonotic/xonotic.git;a=blob_plain;f=misc/infrastructure/checkupdate.txt"
+{
+ grep "^V " checkupdate.txt | head -n 1 | cut -c 3-
+ grep "^D " checkupdate.txt | head -n 1 | cut -c 3-
+ grep "^U " checkupdate.txt | head -n 1 | cut -c 3-
+} > checkupdate.txt.oldformat 2>/dev/null
+grep '^[^#]' checkupdate.txt > checkupdate.txt.newformat
+rm -f checkupdate.txt
+if [ x"`wc -l < checkupdate.txt.oldformat`" = x"3" ]; then
+ mv checkupdate.txt.newformat HTML/checkupdate.txt
+ mv checkupdate.txt.oldformat ../xonotic.org/HTML/dl/checkupdate.txt
+else
+ echo "checkupdate.txt updating failed. Please debug."
+fi
+