Mount UFD sources read-only

.bin/Scripts/build-ufd

@@ -1,6 +1,6 @@
 #!/bin/env python3
 #
-# pylint: disable=no-name-in-module,wildcard-import
+# pylint: disable=no-name-in-module,wildcard-import,wrong-import-position
 # vim: sts=2 sw=2 ts=2
 """Wizard Kit: UFD build tool"""
 
@@ -73,6 +73,7 @@ if __name__ == '__main__':
       function=mount,
       mount_source=find_first_partition(ufd_dev),
       mount_point='/mnt/UFD',
+      read_write=True,
       )
 
     # Copy sources

.bin/Scripts/functions/ufd.py

@@ -209,10 +209,16 @@ def is_valid_path(path_obj, path_type):
   return valid_path
 
 
-def mount(mount_source, mount_point):
+def mount(mount_source, mount_point, read_write=False):
   """Mount mount_source on mount_point."""
   os.makedirs(mount_point, exist_ok=True)
-  cmd = ['mount', mount_source, mount_point]
+  cmd = [
+    'mount',
+    mount_source,
+    mount_point,
+    '-o',
+    'rw' if read_write else 'ro',
+    ]
   run_program(cmd)