1 files changed, 49 insertions, 0 deletions
diff --git a/test/sanity/code-smell/no-unwanted-files.py b/test/sanity/code-smell/no-unwanted-files.py
new file mode 100644
index 0000000..7e13f53
--- /dev/null
+++ b/test/sanity/code-smell/no-unwanted-files.py
@@ -0,0 +1,49 @@
+"""Prevent unwanted files from being added to the source tree."""
+from __future__ import annotations
+
+import os
+import sys
+
+
+def main():
+    """Main entry point."""
+    paths = sys.argv[1:] or sys.stdin.read().splitlines()
+
+    allowed_extensions = (
+        '.cs',
+        '.ps1',
+        '.psm1',
+        '.py',
+    )
+
+    skip_paths = set([
+        'lib/ansible/config/ansible_builtin_runtime.yml',  # not included in the sanity ignore file since it won't exist until after migration
+    ])
+
+    skip_directories = (
+        'lib/ansible/galaxy/data/',
+    )
+
+    allow_yaml = ('lib/ansible/plugins/test', 'lib/ansible/plugins/filter')
+
+    for path in paths:
+        if path in skip_paths:
+            continue
+
+        if any(path.startswith(skip_directory) for skip_directory in skip_directories):
+            continue
+
+        if path.startswith('lib/') and not path.startswith('lib/ansible/'):
+            print('%s: all "lib" content must reside in the "lib/ansible" directory' % path)
+            continue
+
+        ext = os.path.splitext(path)[1]
+        if ext in ('.yml', ) and any(path.startswith(yaml_directory) for yaml_directory in allow_yaml):
+            continue
+
+        if ext not in allowed_extensions:
+            print('%s: extension must be one of: %s' % (path, ', '.join(allowed_extensions)))
+
+
+if __name__ == '__main__':
+    main()