Comment 23 for bug 1060404

Output when NOT running on LXC (a linode machine in this case):
(...)
Preparing to replace grub-pc 1.99-21ubuntu3.7 (using .../grub-pc_1.99-21ubuntu3.8_i386.deb) ...
Unpacking replacement grub-pc ...
Preparing to replace grub-pc-bin 1.99-21ubuntu3.7 (using .../grub-pc-bin_1.99-21ubuntu3.8_i386.deb) ...
Unpacking replacement grub-pc-bin ...
Preparing to replace grub2-common 1.99-21ubuntu3.7 (using .../grub2-common_1.99-21ubuntu3.8_i386.deb) ...
Unpacking replacement grub2-common ...
Preparing to replace grub-common 1.99-21ubuntu3.7 (using .../grub-common_1.99-21ubuntu3.8_i386.deb) ...
Unpacking replacement grub-common ...
Processing triggers for man-db ...
Processing triggers for install-info ...
Processing triggers for ureadahead ...
Setting up grub-common (1.99-21ubuntu3.8) ...
Setting up grub2-common (1.99-21ubuntu3.8) ...
Setting up grub-pc-bin (1.99-21ubuntu3.8) ...
Setting up grub-pc (1.99-21ubuntu3.8) ...
Generating grub.cfg ...
Found linux image: /boot/vmlinuz-3.2.0-36-virtual
Found initrd image: /boot/initrd.img-3.2.0-36-virtual
Found linux image: /boot/vmlinuz-3.2.0-35-virtual
Found initrd image: /boot/initrd.img-3.2.0-35-virtual
done
root@ls3-precise:~# echo $?
0
root@ls3-precise:~# which running-in-container
/bin/running-in-container
root@ls3-precise:~# running-in-container
root@ls3-precise:~# echo $?
1
root@ls3-precise:~#