From mboxrd@z Thu Jan 1 00:00:00 1970 From: Amirouche Subject: =?UTF-8?Q?Re:_What_about_dependency_resolution_=c3=a0_la_apt=3f?= Date: Thu, 16 Mar 2017 21:56:29 +0100 Message-ID: <380423bd-fa6e-8e2b-978f-11ffdd79088c@hypermove.net> References: <368b70bd-ef62-ea59-7c2d-4564d7948f40@hypermove.net> <90b4b820-6d13-01e5-309f-c17700a61974@tobias.gr> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: 8bit Return-path: Received: from eggs.gnu.org ([2001:4830:134:3::10]:33310) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cocRg-0007rV-SP for help-guix@gnu.org; Thu, 16 Mar 2017 16:56:29 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cocRd-0007dH-QC for help-guix@gnu.org; Thu, 16 Mar 2017 16:56:28 -0400 Received: from relay6-d.mail.gandi.net ([217.70.183.198]:49743) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1cocRd-0007c8-JR for help-guix@gnu.org; Thu, 16 Mar 2017 16:56:25 -0400 In-Reply-To: <90b4b820-6d13-01e5-309f-c17700a61974@tobias.gr> List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: help-guix-bounces+gcggh-help-guix=m.gmane.org@gnu.org Sender: "Help-Guix" To: Tobias Geerinckx-Rice Cc: help-guix@gnu.org Le 16/03/2017 à 21:28, Tobias Geerinckx-Rice a écrit : > Amirouche, > > On 16/03/17 19:52, Amirouche wrote: >> Héllo, > Hi! > > I'm not the most technically qualified person to answer this, nor the > most articulate, but I'm mainly curious and slightly puzzled as to why > this question keeps popping up. Sorry! > I hope others will join in, since I fear > this hints at some fundamental misunderstandings about Guix that might > hurt world d^W^W adoption. Maybe patch the FAQ? > >> AFAIU guix does hardcode the dependencies so that to know the >> dependencies one has onlytocrawl the dependency DAG using a BFS or >> something. I don't know what is the exact part in guix that does >> that. It's only my understanding. > This doesn't happen.[1] > > It takes some getting used to when you're used to old-school package > managers where the resolver is A Big Deal, or even The Biggest Deal: > Gentoo, anyone? Yes.. But autoconf does the same, it specify some dependency that can match patch or minor version number. > But one of the many great things about functional package management à > la Nix/Guix is that you don't need — or want — a dependency resolver. At > all. That eliminates a lot of nasty problems, and makes others much > easier to solve. > > Huge Deal. > >> What about having apt-like dependency resolution, also like npm >> where version are specified in terms of "superior to", "equal to" >> taking advantage of semantic versionning?[2] > Guix already does ‘equal to’ better than anyone. Bit-identical, even. That's is off topic?