Pass write down from commands to logging handler.

pre_commit/commands.py

@@ -230,7 +230,7 @@ def _run_hook(runner, hook_id, args, write):
 
 def run(runner, args, write=sys.stdout.write):
     # Set up our logging handler
-    logger.addHandler(LoggingHandler(args.color))
+    logger.addHandler(LoggingHandler(args.color, write=write))
     logger.setLevel(logging.INFO)
 
     with staged_files_only(runner.cmd_runner):

pre_commit/logging_handler.py

@@ -25,7 +25,7 @@ class LoggingHandler(logging.Handler):
                     '[{0}]'.format(record.levelname),
                     LOG_LEVEL_COLORS[record.levelname],
                     self.use_color,
-                ) + ' ' if record.levelno >= logging.WARNING else '',
+                ) + ' ',
                 record.getMessage(),
             )
         )