You would have to add "apt-setup/proposed=true" (without the quotes) somewhere on the append line. Another option is to put the line in your preseed/kickstart file, I'm not sure about the syntax then.
-- failed for unknown reasons https://bugs.launchpad.net/bugs/234486 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
