2017-01-04 11:33 GMT+01:00 David Kalnischkies <da...@kalnischkies.de>: > On Tue, Jan 03, 2017 at 10:29:19AM +0100, Olaf van der Spek wrote: >> 2016-12-25 13:12 GMT+01:00 David Kalnischkies <da...@kalnischkies.de>: >> >> Can't it detect mariadb-server-10.1 being a proper upgrade of >> >> mariadb-server-10.0 and hence scoring this as neutral or positive? >> > >> > In general no, because that isn't a positive upgrade: It involves the >> >> 10.1 declares replaces on 10.0 doesn't it? >> Doesn't apt use this information? > > It doesn't because the 'Replaces' is only there to tell dpkg that it is > okay that this package overrides some files of another package. That > frequently happens then a single package is split into a bunch (like > foo, foo-data, foo-plugins-extra). It does also happen then two packages
In this case it'd be fine to use the info right? > 'fight' over a particalur path in the filesystem and that fight was > resolved: like in the git, chromium or node cases just to name a few big > and popular ones. I somehow doubt you consider a spaceshooter an upgrade > to a browser (or well, actually the other way around – which was the > chromium case). So exactly what are we trying to prevent here? Apparently apt is already happy to propose the removal of packages.. > See Debian policy §7.6.1 for details. See also §7.6.2 – but don't get > your hopes up in terms of upgrades: You wouldn't like apt to constantly > flip between postfix and exim4 either… Do exim and postfix declare Replaces on each other? -- Olaf
