%postgresql_tests*: print server error log

* share/postgresql-setup/postgresql_pkg_tests.sh.in
(__pgtests_start): Print error output if server fails to start.

Author: praiskup

NEWS

@@ -7,6 +7,9 @@ New in 8.2 version:
   same package can happen concurrently on one host and using the same
   port would make random build failures.
 
+* If the testing server fails, the %postgresql_tests_* macros print the
+  error log out for easier debugging.
+
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
 New in 8.1 version:

share/postgresql-setup/postgresql_pkg_tests.sh.in

@@ -66,7 +66,11 @@ __pgtests_initdb ()
 
 __pgtests_start ()
 {
-    pg_ctl -D "$PGTESTS_DATADIR" -l "$PGTESTS_DATADIR"/start.log start -o "-k $PGTESTS_SOCKETDIR -p $PGTESTS_PORT" -w
+    pg_ctl -D "$PGTESTS_DATADIR" -l "$PGTESTS_DATADIR"/start.log start \
+           -o "-k $PGTESTS_SOCKETDIR -p $PGTESTS_PORT" -w || {
+        cat >&2 "$PGTESTS_DATADIR"/start.log
+        false
+    }
 }