#!/usr/bin/perl -0p
-s/^#?listen_addresses = '[^']*'(.*)$/listen_addresses = '*'$1/m or die;
-s/^#?port = [0-9]*(.*)$/port = 5432$1/m or die;
+s#\Q$ENV{invirt_tmp}\E##g;
+s/^#ssl = off/ssl = true/m; # pg_createcluster MAY already set ssl
+s/^#?listen_addresses = '[^']*'/listen_addresses = '*'/m or die;