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Re: Priority dependence

"Steve M. Robbins" <steve@sumost.ca> writes:

> This is due to Debian Policy 2.5:

>      Packages must not depend on packages with lower priority values
>      (excluding build-time dependencies).  In order to ensure this, the
>      priorities of one or more packages may need to be adjusted.

> Why is this the policy?  Why does it matter?  Surely installing all
> the "important" packages will pull in their dependencies regardless of
> the depended-upon package's priority.

Ideally, it would be nice to be able to sort out packages by priority and,
from that, build, say, a CD set of only the important and higher packages
and know that it's self-contained.  In practice, I suspect that we have
enough packages with problems here that you have to compute the dependency
closure anyway, but insofar as priorities are useful for anything, I think
that was the goal.

(It's not clear at this point to me whether priorities are really useful
for anything.)

Russ Allbery (rra@debian.org)               <http://www.eyrie.org/~eagle/>

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