[common] Keep return afetr sys.exit()

beat/cmdline/common.py

@@ -725,7 +725,9 @@ def check(prefix, type, names):
   """
 
   names = make_up_local_list(prefix, type, names)
-  sys.exit(sum([check_one(prefix, type, name) for name in names]))
+  n = sum([check_one(prefix, type, name) for name in names])
+  sys.exit(n)
+  return n
 
 
 def fetch_object(webapi, type, name, fields):