Loop-mount ISO with read-only option

[grml2usb.git] / grml2usb

diff --git a/grml2usb b/grml2usb
index 392c57c..7bb2670 100755 (executable)
--- a/grml2usb
+++ b/grml2usb
@@ -1884,7 +1884,7 @@ def install(image, device):
         register_tmpfile(iso_mountpoint)
         remove_image_mountpoint = True
         try:
-            mount(image, iso_mountpoint, ["-o", "loop", "-t", "iso9660"])
+            mount(image, iso_mountpoint, ["-o", "loop,ro", "-t", "iso9660"])
         except CriticalException, error:
             logging.critical("Fatal: %s", error)
             sys.exit(1)