--- /usr/lib/systemd/scripts/postgresql-initdb	2012-06-09 18:35:54.000000000 +0100
+++ postgresql-initdb.new	2012-06-12 10:28:36.241538937 +0100
@@ -4,9 +4,13 @@
 
 . /etc/conf.d/postgresql
 
+if [ -z "$PGROOT" ]; then
+    PGROOT=/var/lib/postgres
+fi
 # 2nd clause is necessary to prevent symlinking the directory to itself when it
 # doesn't exist yet
 if [ ! /var/lib/postgres -ef "$PGROOT" ] && [ /var/lib/postgres != "$PGROOT" ]; then
+    
     echo "Creating symlink /var/lib/postgres -> $PGROOT"
 
     # Remove /var/lib/postgres if empty dir, but not if symlink