debugging in ci tool checks

Author: mcspr

tests/test_mkbuildoptglobals.sh

@@ -11,6 +11,10 @@ function step_summary()
     echo ""
 }
 
+# mkbuildoptglobals.py always in debug mode
+export ESP8266_ARDUINO_MKBUILDOPTGLOBALS_DEBUG="y"
+
+# https://arduino.github.io/arduino-cli/1.2/configuration
 export ARDUINO_BUILD_CACHE_PATH="$cache_dir"
 
 esp8266_dir="${ESP8266_ARDUINO_BUILD_DIR}"

tools/mkbuildoptglobals.py

@@ -57,6 +57,18 @@
     )
 
 
+# Some command line flags can be set through environment
+def environment_setting(name: str, default: Optional[str]) -> str:
+    return os.environ.get(f"ESP8266_ARDUINO_MKBUILDOPTGLOBALS_{name}", default or "")
+
+
+def is_true(v: str) -> bool:
+    return v.lower() in ("y", "yes", "1", "true", "on")
+
+
+DEFAULT_DEBUG = is_true(environment_setting("DEBUG", "n"))
+DEFAULT_AUDIT = is_true(environment_setting("AUDIT", "n"))
+
 # Like existing documentation methods, signature is embedded in the comment block
 # Unlike existing documentation methods, only the first line contains any metadata
 
@@ -618,10 +630,16 @@ def main_help(args: argparse.Namespace):
     parser.set_defaults(func=main_help)
 
     parser.add_argument(
-        "--debug", action="store_true", help=argparse.SUPPRESS
+        "--debug",
+        action="store_true",
+        help=argparse.SUPPRESS,
+        default=DEFAULT_DEBUG,
     )  # normal debug
     parser.add_argument(
-        "--audit", action="store_true", help=argparse.SUPPRESS
+        "--audit",
+        action="store_true",
+        help=argparse.SUPPRESS,
+        default=DEFAULT_AUDIT,
     )  # extra noisy debug
 
     parser.add_argument(