[Fedora-livecd-list] Patch for BZ# 509427

[Bruno Wolff III]

On Fri, Jul 23, 2010 at 19:50:56 -0700,
  Jasper Hartline <jasper.hartline at gmail.com> wrote:
> Attached is a patch that will fix BZ# 509427 involving livecd-creator
> crashing hard
> when it is unable to mount filesystems immediately during an exception.
> 
> diff -up patch/fs.py.orig patch/fs.py
> --- patch/fs.py.orig	2010-07-23 18:17:34.000000000 -0700
> +++ patch/fs.py	2010-07-23 18:18:54.000000000 -0700
> @@ -112,7 +112,7 @@ class BindChrootMount:
>          if not self.mounted:
>              return
> 
> -        rc = subprocess.call(["/bin/umount", self.dest])
> +        rc = subprocess.call(["/bin/umount", "-l", self.dest])
>          if rc != 0:
>              raise MountError("Unable to unmount filesystem at %s" % self.dest)
>          self.mounted = False

This seems like a good idea (though I want to do a careful check) even if
we fix problem with umounting things correctly. This provides more sane
behavior if other bugs trigger similar problems.