On Thu, 2009-03-19 at 14:07 -0400, Jeremy Katz wrote:
> We can't let the user install to the usb key holding their live
> image without causing significant trouble. So blacklist that dev
You'll need to import the stat module, but otherwise it looks good.
> ---
> storage/udev.py | 9 +++++++++
> 1 files changed, 9 insertions(+), 0 deletions(-)
>
> diff --git a/storage/udev.py b/storage/udev.py
> index e8e8246..808ee29 100644
> --- a/storage/udev.py
> +++ b/storage/udev.py
> @@ -43,6 +43,15 @@ def __is_blacklisted_blockdev(dev_name):
> """Is this a blockdev we never want for an install?"""
> if dev_name.startswith("loop") or dev_name.startswith("ram"):
> return True
> + # FIXME: the backing dev for the live image can't be used as an
> + # install target. note that this is a little bit of a hack
> + # since we're assuming that /dev/live will exist
> + if os.path.exists("/dev/live") and \
> + stat.S_ISBLK(os.stat("/dev/live")[stat.ST_MODE]):
> + livetarget = os.path.realpath("/dev/live")
> + if livetarget.startswith(dev_name):
> + log.info("%s looks to be the live device; ignoring" % (dev_name,))
> + return True
>
> return False
>
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