Add script to check clang-format conformity

scripts/run_clang_format.py

@@ -0,0 +1,53 @@
+#!/bin/env python
+
+# Copyright (C) 2023
+# swift Project Community/Contributors
+#
+# This file is part of swift project. It is subject to the license terms in the LICENSE file found in the top-level
+# directory of this distribution and at http://www.swift-project.org/license.html. No part of swift project,
+# including this file, may be copied, modified, propagated, or distributed except according to the terms
+# contained in the LICENSE file.
+
+import os
+import subprocess
+
+
+def should_file_formatted(file) -> bool:
+    return file.endswith(".cpp") or file.endswith(".h")
+
+
+def get_formattable_files(folder_name):
+    excluded_dirs = ["LegacyData", "xplanemp2", "thirdparty", "external", "dsp", "g2clib"]
+    all_files = []
+    for root, dirs, files in os.walk(os.path.join(os.getcwd(), folder_name)):
+        files_in_folder = [os.path.join(root, file)
+                           for file in files if should_file_formatted(file)]
+        all_files.extend(files_in_folder)
+        for dir in excluded_dirs:
+            if dir in dirs:
+                dirs.remove(dir)
+
+    return all_files
+
+
+def is_swift_dir():
+    cwd = os.getcwd()
+    return os.path.isdir(os.path.join(cwd, "src")) and os.path.isdir(os.path.join(cwd, "resources"))
+
+
+if not is_swift_dir():
+    print("Script must be called from top level swift directory!")
+    exit(1)
+
+
+all_files = []
+
+all_files.extend(get_formattable_files("samples"))
+all_files.extend(get_formattable_files("tests"))
+all_files.extend(get_formattable_files("src"))
+
+all_files_string = " ".join(all_files)
+
+exec = subprocess.run(["xargs", "clang-format", "--Werror", "--style=file:.clang-format",
+                      "--dry-run"], input=all_files_string, text=True)
+exit(exec.returncode)