I've verified that it works on i386. I've tried to ensure that it will work on other architectures, but I haven't tested it on any.
I doesn't. It calls /bin/sh within the chroot, which of course fails when installing for a different architecture.
This is easily reproduced: cdebootstrap -aarmel squeeze squeeze -- To UNSUBSCRIBE, email to [email protected] with a subject of "unsubscribe". Trouble? Contact [email protected]

