X-Git-Url: http://xvm.mit.edu/gitweb/invirt/packages/invirt-web.git/blobdiff_plain/d263f9d2c3b9004efd0df2bcc162816b3f155f0d..a3e5c7d8d014754ab8d4172489683091fc8a7c34:/debian/invirt-web.preinst

diff --git a/debian/invirt-web.preinst b/debian/invirt-web.preinst
index 3245702..aaaeb0e 100644
--- a/debian/invirt-web.preinst
+++ b/debian/invirt-web.preinst
@@ -19,6 +19,10 @@ case "$1" in
 	if ! getent group invirt > /dev/null; then
 	    addgroup --system invirt
 	fi
+
+	if dpkg --compare-versions "$2" lt 0.1.6~; then
+	    mv /var/www/invirt-web /var/www/invirt-web.bak || :
+	fi
     ;;
 
     abort-upgrade)