postgresql@.service: Use AssertPathExists instead of ConditionPathExists so...

postgresql@.service: Use AssertPathExists instead of ConditionPathExists so trying to operate on non-existing clusters fails loudly. (Closes: #891836)

debian/changelog

+postgresql-common (192) UNRELEASED; urgency=medium
+
+  * postgresql@.service: Use AssertPathExists instead of ConditionPathExists
+    so trying to operate on non-existing clusters fails loudly.
+    (Closes: #891836)
+
+ -- Christoph Berg <myon@debian.org>  Sun, 13 May 2018 16:49:51 +0200
+
 postgresql-common (191) unstable; urgency=medium
 
   [ Christoph Berg ]

systemd/postgresql@.service

@@ -5,7 +5,7 @@
 
 [Unit]
 Description=PostgreSQL Cluster %i
-ConditionPathExists=/etc/postgresql/%I/postgresql.conf
+AssertPathExists=/etc/postgresql/%I/postgresql.conf
 PartOf=postgresql.service
 ReloadPropagatedFrom=postgresql.service
 Before=postgresql.service

t/015_start_stop.t

@@ -39,7 +39,7 @@ sub check_major {
 
     # try to start specific cluster
     if ($systemd) {
-        program_ok (0, "systemctl start postgresql\@$v-main");
+        program_ok (0, "systemctl start postgresql\@$v-main", 1);
     } else {
         program_ok (0, "/etc/init.d/postgresql start $v");
     }