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Thu, 11 Jul 2024 02:58:44 -0700 (PDT) Received: from lili ([2a01:e0a:59b:9120:a17c:5a42:b196:e92e]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-367cde8491dsm7349892f8f.45.2024.07.11.02.58.43 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Jul 2024 02:58:44 -0700 (PDT) From: Simon Tournier To: Ludovic =?utf-8?Q?Court=C3=A8s?= , Christopher Baines Cc: guix-devel@gnu.org Subject: Re: How to test fixed output derivations in the bordeaux build farm? In-Reply-To: <87plt0pze5.fsf@gnu.org> References: <874javcqas.fsf@cbaines.net> <87plt0pze5.fsf@gnu.org> Date: Thu, 11 Jul 2024 11:57:34 +0200 Message-ID: <87o774gsj5.fsf@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2a00:1450:4864:20::22a; envelope-from=zimon.toutoune@gmail.com; helo=mail-lj1-x22a.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: guix-devel@gnu.org X-Mailman-Version: 2.1.29 Precedence: list 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+larch=yhetil.org@gnu.org Sender: guix-devel-bounces+larch=yhetil.org@gnu.org X-Migadu-Country: US X-Migadu-Flow: FLOW_IN X-Migadu-Queue-Id: DB49C654EF X-Migadu-Scanner: mx13.migadu.com X-Migadu-Spam-Score: -8.74 X-Spam-Score: -8.74 X-TUID: iqbP/yHmFzCU Hi, On Sat, 01 Jun 2024 at 15:26, Ludovic Court=C3=A8s wrote: > Yes. You can=E2=80=99t =E2=80=9Cchange the behavior of derivations=E2=80= =9D at build time, > except by passing GUIX_DOWNLOAD_METHODS to guix-daemon itself, provided > GUIX_DOWNLOAD_METHODS is also in =E2=80=98impureEnvVars=E2=80=99 of said = derivation, as > you wrote. It=E2=80=99s inflexible but the behaviour =C2=AB can=E2=80=99t =E2=80=9Ccha= nge the behavior of derivations=E2=80=9D at build time =C2=BB appears to me reasonable, no? We= ll, I am missing some context. That=E2=80=99s said, since we are speaking about fixed-output derivations, = one way would to compute another derivation with the expected behaviour. Somehow, the context is different [1] but rewriting the derivation allows to bypass such inflexibility. Bah, I do not know=E2=80=A6 I am missing context about the issue. :-) 1: https://simon.tournier.info/posts/2024-04-11-rewrite-drv.html Cheers, simon