Index: trunk/packages/sipb-xen-www/debian/sipb-xen-www.preinst
===================================================================
--- trunk/packages/sipb-xen-www/debian/sipb-xen-www.preinst	(revision 332)
+++ trunk/packages/sipb-xen-www/debian/sipb-xen-www.preinst	(revision 332)
@@ -0,0 +1,40 @@
+#!/bin/sh
+# preinst script for #PACKAGE#
+#
+# see: dh_installdeb(1)
+
+set -e
+
+# summary of how this script can be called:
+#        * <new-preinst> `install'
+#        * <new-preinst> `install' <old-version>
+#        * <new-preinst> `upgrade' <old-version>
+#        * <old-preinst> `abort-upgrade' <new-version>
+# for details, see http://www.debian.org/doc/debian-policy/ or
+# the debian-policy package
+
+
+case "$1" in
+    install|upgrade)
+	if ! getent group sipb-xen > /dev/null; then
+	    addgroup --system sipb-xen
+	fi
+    ;;
+
+    abort-upgrade)
+    ;;
+
+    *)
+        echo "preinst called with unknown argument \`$1'" >&2
+        exit 1
+    ;;
+esac
+
+# dh_installdeb will replace this with shell code automatically
+# generated by other debhelper scripts.
+
+#DEBHELPER#
+
+exit 0
+
+