Adding upstream version 257.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

tools/meson-extract-unit-files.py

@@ -0,0 +1,20 @@
+#!/usr/bin/env python3
+# SPDX-License-Identifier: LGPL-2.1-or-later
+
+import json
+import re
+import subprocess
+import sys
+
+def main():
+    build_dir = sys.argv[1]
+
+    out = subprocess.run(["meson", "introspect", "--installed", build_dir],
+                         stdout=subprocess.PIPE, check=True)
+    files = json.loads(out.stdout)
+    for file in sorted(files.values()):
+        if re.search("^/usr/lib/systemd/(system|user)/", file) and not file.endswith(".conf"):
+            print(file)
+
+if __name__ == "__main__":
+    main()