Those are dirs, not files.

StanFromIreland · StanFromIreland · commit 23cf12f1556c · 2026-02-28T17:30:38.000Z
diff --git a/master/master.cfg b/master/master.cfg
@@ -184,10 +184,10 @@ cpulock = locks.WorkerLock(
 
 def is_important_file(filename):
     unimportant_prefixes = (
-        ".azure-pipelines",
-        ".devcontainer"
+        ".azure-pipelines/",
+        ".devcontainer/"
         ".github/",
-        ".well-known",
+        ".well-known/",
         "Doc/",
         "InternalDocs/",
         "Misc/",
