On 06/20/2012 01:04 PM, tim.lauridsen@xxxxxxxxx wrote:
Would it not be better to work with yum upstream to make the current yum
depsolver more modular so you could plugin another libsolv based
depsolver, instead of making a fork of yum and starts trashing the
current API. There is a lot more to yum, that just solving dependencies.
And making a fork there is not fully compatible will put a lot of work
on your shoulders :) without the benefit on the work done by yum
upstream :) like parallel download etc.
Tim
Hello Tim,
Be assured I am in contact with Yum developers and the new features
happening for F18 there are planned to be integrated to DNF.
The decision to fork yum into using libsolv instead of trying to evolve
it slowly was a difficult one yet it was the right one. Unified
depsolving is only a part of the project, the other primary goal is
arriving at concrete, cleaned up API for external applications and
plugins. This is very hard to get done without having free hands to
refactor, remove, cleanup and change for better testability because in
Yum one always has to look behind his back for tricky backward
compatibility issues.
I think the best way to describe the "DNF" project really is as "the
next-gen yum". Departing from the old APIs is a part of it. There are
little alternatives also: the gradual deprecation of some of the Yum's
legacy interfaces hasn't been very successful in the past. Or I could
keep DNF under the lid for another one or two Fedora releases, but I
find it a better alternative to package this early version: both for
those Fedora users who will bravely try it (and hopefully report
feedback) and the community members who might join the effort.
Ales
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