postgresql-setup: expect '--port 5432' implictly

.. only when '--unit=postgresql'.  When user specifies
--unit=postgresql@unitname, the --port is still required.

Also, don't adjust the 'port = ' configuration in postgresql.conf
when not necessary.

1 files changed, 2 insertions, 0 deletions

diff --git a/TODO b/TODO
index 2f678e3..0bf2753 100644
--- a/TODO
+++ b/TODO
@@ -1,2 +1,4 @@
 * Testsuite
     - check that none of @PATTERN@ is un-expanded in generated files
+* --upgrade
+    - 'echo -n' breks the error messages from 'restorecon'