FDS/OS 1.0

tools/rootfs-layout

@@ -0,0 +1,16 @@
+#!/usr/bin/env python3
+"""Apply the FDS-owned layout to a new, empty image staging directory."""
+import json
+import pathlib
+import sys
+
+root = pathlib.Path(sys.argv[1])
+layout = json.loads(pathlib.Path(sys.argv[2]).read_text())
+if any(root.iterdir()):
+    sys.exit("ERROR: layout must be applied to an empty root")
+for path, mode in layout["directories"].items():
+    target = root / path
+    target.mkdir(parents=True, exist_ok=True)
+    target.chmod(int(mode, 8))
+for path, target in layout["symlinks"].items():
+    (root / path).symlink_to(target)