well, apt 1.2.10 is in xenial and in that version my example works, so I fear you will need to provide a few more details like the entire output and commandline of the command you try.
(it works also in earlier versions and I am relatively sure it works since the dawn of the apt-binary as its used in our testcases, but I have just tried with my local build) -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to apt in Ubuntu. https://bugs.launchpad.net/bugs/1566657 Title: [apt] implement --yes Status in apt package in Ubuntu: Incomplete Bug description: Please implement the option '--yes' (known from apt-get) in apt itself. It is not available in Ubuntu 16.04 Beta. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/apt/+bug/1566657/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp