On Thu, Feb 23, 2017 at 11:22:17AM +1300, martin f krafft wrote: > [...] I've been using APT since one of its first > versions, and I think "upgrade" has existed from the early days with > precisely the promise that, unlike "dist-upgrade", it would not > modify the set of installed packages, either way.
Indeed, from apt-get(8), under "upgrade": "under no circumstances are currently installed packages removed, or packages not already installed retrieved and installed." -- Eric Cooper e c c @ c m u . e d u