Better --dbservice docs, as pointed out by Jason Ryan on the mailing list.

diff --git a/check_postgres.pl b/check_postgres.pl
index 2afb72d5df9c2485ffca980ee5604fb59b21806b..cc75dfd04021ec569a75a65d8925c817bfd45eff 100755 (executable)
--- a/check_postgres.pl
+++ b/check_postgres.pl
@@ -7981,10 +7981,17 @@ Instead, one should use a .pgpass or pg_service.conf file.
 
 =item B<--dbservice=NAME>
 
-The name of a service inside of the pg_service.conf file. This file is in your home directory by 
-default and contains a simple list of connection options. You can also pass additional information 
+The name of a service inside of the pg_service.conf file. Before version 9.0 of Postgres, this is 
+a global file, usually found in /etc/pg_service.conf. If you are using version 9.0 or higher of 
+Postgres, you can use the file ".pg_service.conf" in the home directory of the user running 
+the script, e.g. nagios.
+
+This file contains a simple list of connection options. You can also pass additional information 
 when using this option such as --dbservice="maindatabase sslmode=require"
 
+The documentation for this file can be found at
+http://www.postgresql.org/docs/current/static/libpq-pgservice.html
+
 =back
 
 The database connection options can be grouped: I<--host=a,b --host=c --port=1234 --port=3344>