Ubuntu Customization Kit

  1. Bug #271677
  2. Comment #8

Comment 8 for bug 271677

Revision history for this message
Krzysztof Lichota (krzysiek-launchpad-ubuntu-com) wrote : Re: [Bug 271677] Re: Message "does not seem to be a valid ISO9660 image" on Intrepid

So it seems file utility has been changed and it is broken.
You can just comment out the lines with the check and you should be
fine. Just search for file --brief --mime in the source.