Block users from using development branches

system/sentry.py

@@ -29,6 +29,12 @@ def report_tombstone(fn: str, message: str, contents: str) -> None:
     sentry_sdk.flush()
 
 
+def capture_block() -> None:
+  with sentry_sdk.push_scope() as scope:
+    sentry_sdk.capture_message("Blocked user from using the development branch", level="info")
+    sentry_sdk.flush()
+
+
 def capture_exception(*args, **kwargs) -> None:
   exc_text = traceback.format_exc()