add a script to update the unit tree on new releases;

putting it here since it's configured to be run on server.wesnoth.org

utils/mp-server/update_unit_tree

@@ -0,0 +1,48 @@
+#!/bin/sh
+
+if [ $# -ne 1 ]; then
+	echo "Syntax: $0 <wesnoth version>"
+	exit 1
+fi
+
+VERSION=$1
+SITE=$HOME/public_html
+SOURCE=$HOME/source
+TRUNK=$SOURCE/trunk/
+STABLE=$SOURCE/1.2/
+
+if ! [ -d $SOURCE ]; then
+	echo "$SOURCE not found."
+	exit 1
+fi
+
+case $VERSION in
+	1.2 )	cd $STABLE || exit 1
+	;;
+	1.3.* ) cd $TRUNK || exit 1
+	;;
+	trunk ) cd $TRUNK || exit 1
+		rm -rf $SITE
+	;;
+	* ) 	echo "Unknown version."
+		exit 1
+	;;
+esac
+if [ -d $SITE/$VERSION ]; then
+	echo "$SITE/$VERSION already exists."
+	exit 1
+fi
+cd data/tools/unit_tree/ || exit 1
+echo 'svn update...'
+svn update
+svn status
+# make sure we update with the right version
+sed -i -e "s/\(my \$version = '\).*\(';\)/\1$VERSION\2/" units.pl
+./units.pl
+# move the generated files to their proper place
+mv files $SITE/$VERSION
+# insert a link for the new version
+if [ "$VERSION" != "trunk" ]; then
+	sed -e "s,\(<p><a href=\"trunk/index.html\">Trunk</a></p>\),<p><a href=\"$VERSION/index.html\">Development ($VERSION)</a></p>\n\1," $SITE/index.html
+fi
+