From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hartmut Goebel Subject: Re: How to reference external program used in shell-scripts? Date: Sun, 8 Sep 2019 20:37:27 +0200 Message-ID: References: <72f51f57-3d1a-15f3-458b-cf036841c15a@crazy-compilers.com> <87pnlfww2k.fsf@elephly.net> <87d0hewwfu.fsf@elephly.net> <670e61cd-d3e3-6a91-0773-715d19f5052a@crazy-compilers.com> <87h85tsfdm.fsf@gnu.org> Mime-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Return-path: Received: from eggs.gnu.org ([2001:470:142:3::10]:47955) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1i7244-00076l-5C for guix-devel@gnu.org; Sun, 08 Sep 2019 14:37:33 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1i7243-0004qY-5c for guix-devel@gnu.org; Sun, 08 Sep 2019 14:37:32 -0400 In-Reply-To: <87h85tsfdm.fsf@gnu.org> Content-Language: en-US List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: guix-devel-bounces+gcggd-guix-devel=m.gmane.org@gnu.org Sender: "Guix-devel" To: =?UTF-8?Q?Ludovic_Court=c3=a8s?= Cc: guix-devel@gnu.org Am 03.09.19 um 15:01 schrieb Ludovic Court=C3=A8s: > The whole idea of functional software deployment is that it=E2=80=99s s= tateless: > you can tell that /gnu/store/=E2=80=A6-ansible-1.2.3 will always behave= the > same, no matter what other programs are available on your machine. > > Introducing =E2=80=9Cdynamic binding=E2=80=9D (e.g., looking up program= s in $PATH) would > allow for faster security updates in the example you gave, but that > would be at the expense of that core property I described above. It > would be a regression. > > I think what we need in this case is (1) fast security updates, which i= s > what grafts help us achieve, and (2) documentation that clarifies what > the deployment model is, such that Mary would know that =E2=80=98ansibl= e=E2=80=99 also > needs to be upgraded in the example above. I understand this. Anyway: IMHO missing "dynamic binding" is one of the major drawbacks of functional deployment, as it requires updating (and esp. downloading) much more packages compared to a rpm/deb based system. --=20 Regards Hartmut Goebel | Hartmut Goebel | h.goebel@crazy-compilers.com | | www.crazy-compilers.com | compilers which you thought are impossible |