On Lu, 08 iun 20, 14:32:29, David Wright wrote: > > I was impressed by apt-get's performance, probably because of dim > memories of how dpkg would react on being asked to install ~2000 > packages at once. The latter doesn't have the logic for sorting > operations into a sequence that preserves an unbroken system.
It's unclear to me what you meant by that.
Unless you use one of the --force options (at your own risk, of course)
dpkg will refuse actions that go against (Pre-)Depends, Conflicts and
Breaks.
The difference between dpkg and apt in this regard is that dpkg acts
only on the set of packages it was provided.
User: dpkg, remove this package
dpkg: nope, this will break these other packages
User: apt, remove this package
apt: sure, in addition these other packages must be removed because
they depend on it
User: ok, go ahead
apt: dpkg, remove this set of packages
dpkg: sure, done
User: dpkg, install this package
dpkg: nope, it depends on these other packages that are neither
installed nor were provided at the same time
User: apt, install this package
apt: sure, in addition these other packages must be downloaded and
installed to fulfill dependencies (and recommendations)
User: whatever, do it already
apt: ok, downloading... done
apt: dpkg, install this set of packages
dpkg: sure, done
Kind regards,
Andrei
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