Suppress full config output of "esphome config" when -q option is used. (#5852)

esphome/__main__.py

@@ -389,6 +389,7 @@ def command_config(args, config):
         output = re.sub(
             r"(password|key|psk|ssid)\: (.+)", r"\1: \\033[5m\2\\033[6m", output
         )
+    if not CORE.quiet:
         safe_print(output)
     _LOGGER.info("Configuration is valid!")
     return 0

esphome/core/__init__.py

@@ -522,6 +522,8 @@ class EsphomeCore:
         self.component_ids = set()
         # Whether ESPHome was started in verbose mode
         self.verbose = False
+        # Whether ESPHome was started in quiet mode
+        self.quiet = False
 
     def reset(self):
         self.dashboard = False

esphome/log.py

@@ -78,6 +78,7 @@ def setup_log(
         CORE.verbose = True
     elif quiet:
         log_level = logging.CRITICAL
+        CORE.quiet = True
     else:
         log_level = logging.INFO
     logging.basicConfig(level=log_level)