Skip re-installing slapd et al

Author: mtodd

script/install-openldap

@@ -5,7 +5,8 @@ set -x
 BASE_PATH="$( cd `dirname $0`/../test/fixtures/openldap && pwd )"
 SEED_PATH="$( cd `dirname $0`/../test/fixtures          && pwd )"
 
-DEBIAN_FRONTEND=noninteractive sudo -E apt-get install -y --force-yes slapd time ldap-utils
+dpkg -s slapd time ldap-utils &>/dev/null ||\
+  DEBIAN_FRONTEND=noninteractive sudo -E apt-get install -y --force-yes slapd time ldap-utils
 
 sudo /etc/init.d/slapd stop