From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alex Vong Subject: Re: Registering GC roots Date: Fri, 16 Oct 2015 20:56:51 +0800 Message-ID: References: <87io6b943m.fsf@gnu.org> <878u75ql2q.fsf@gnu.org> <87eggxfc5o.fsf@openmailbox.org> <87k2qpp1ko.fsf@gnu.org> <20151014170227.3a293b5a@openmailbox.org> <874mhsiae1.fsf@openmailbox.org> <87h9lrw7w3.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 ([2001:4830:134:3::10]:56818) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Zn4Z7-0004qK-5l for guix-devel@gnu.org; Fri, 16 Oct 2015 08:56:57 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Zn4Z2-0004Ny-4Q for guix-devel@gnu.org; Fri, 16 Oct 2015 08:56:57 -0400 In-Reply-To: <87h9lrw7w3.fsf_-_@gnu.org> 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-bounces+gcggd-guix-devel=m.gmane.org@gnu.org To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= Cc: guix-devel On 16/10/2015, Ludovic Court=C3=A8s wrote: > Alex Vong skribis: > >> Talking about interactive CLIs, in general I am not a fan of it too, >> especially after you get used to the program. That's why I am using >> plain apt-get instead of aptitude which uses ncurses. However, I will >> say it is sometimes useful. For example, in git clean, there is an >> `-i' switch, which can help if you don't want to mess with your >> .gitignore file. So perhaps making something GC roots is like putting >> it in .gitignore in git, but we should still provide a way for >> interacting GC-ing. > > Currently there are two documented ways to add GC roots from the command > line: creating a profile with =E2=80=98guix package=E2=80=99, and using t= he -r option of > =E2=80=98guix build.=E2=80=99 > > What David suggests is to add a similar -r option to =E2=80=98guix enviro= nment=E2=80=99, > which sounds good to me. > I see. So currently there is no way to make an environment GC root and David is proposing using -r to achieve it. Am I right? > The GC process itself will not be interactive. Who would want to hit > =E2=80=98y=E2=80=99 or =E2=80=98n=E2=80=99 for each one of the thousands = of files considered? :-) > Indeed, option 3 [3. ask for every directories (like interactive `rm')] looks silly. What is your opinions on a big yes/no? Perhaps it is useful for beginners who may not know the "power" of GC? > Ludo=E2=80=99. >