[FIX] When using "--stop-after-init", set the return code correctly. A non zero return code reflect the number of databases that fail to load/update

Backport of 2c4e370b76 and
33ce0e73db

openerp/cli/server.py

@@ -97,6 +97,8 @@ def preload_registry(dbname):
         db, registry = openerp.pooler.get_db_and_pool(dbname,update_module=update_module)
     except Exception:
         _logger.exception('Failed to initialize database `%s`.', dbname)
+        return False
+    return registry._assertion_report.failures == 0
 
 def run_test_file(dbname, test_file):
     """ Preload a registry, possibly run a test file, and start the cron."""
@@ -257,12 +259,14 @@ def main(args):
         else:
             openerp.service.start_services()
 
+    rc = 0
     if config['db_name']:
         for dbname in config['db_name'].split(','):
-            preload_registry(dbname)
+            if not preload_registry(dbname):
+                rc += 1
 
     if config["stop_after_init"]:
-        sys.exit(0)
+        sys.exit(rc)
 
     _logger.info('OpenERP server is running, waiting for connections...')
     quit_on_signals()