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Sat, 17 Aug 2024 12:44:22 -0400 (EDT) User-agent: mu4e 1.8.13; emacs 28.2 From: Ian Eure To: bug-guix@gnu.org Cc: guix-devel Subject: Impossible to remove all offload machines Date: Sat, 17 Aug 2024 09:40:29 -0700 Message-ID: <87plq75cbc.fsf@meson> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8; format=flowed Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=103.168.172.156; envelope-from=ian@retrospec.tv; helo=fhigh5-smtp.messagingengine.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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-Flow: FLOW_IN X-Migadu-Country: US X-Migadu-Queue-Id: 511501C4E1 X-Migadu-Scanner: mx12.migadu.com X-Migadu-Spam-Score: -9.97 X-Spam-Score: -9.97 X-TUID: 7IKtLlQkOrTm Ran into this issue last week. If you: - Configure some offload build machines in your operating-system configuration. - Reconfigure your system. - Remove all offload build machines. - Reconfigure your system again. ...then various guix operations will still try to connect to=20 offload machines, even if you reboot the affected client. This is caused by a bug in the `guix-activation' procedure: ;; ... and /etc/guix/machines.scm. #$(if (null? (guix-configuration-build-machines config)) #~#f (guix-machines-files-installation #~(list #$@(guix-configuration-build-machines config)))) If there are no build machines defined in the configuration, no operation is performed (#f is returned), which leaves the previous generation=E2=80=99s /etc/guix/machines.scm in place. The same issue appears to affect channels: ;; ... and /etc/guix/channels.scm... #$(and channels (install-channels-file channels)) I=E2=80=99d be happy to take a stab at fixing this, but I=E2=80=99m not cer= tain=20 what direction to go, or how much to refactor to get there. Should the channels/machines files be removed (ignoring errors if they don=E2=80=99t exist)? Should empty files be installed? Should that happen=20 inline in `guix-activation', or in another procedure? Should the=20 filenames be extracted to %variables to avoid duplicating between the two=20 places they=E2=80=99ll be used? If someone would like to provide answered, I would contribute a=20 patch. Thanks, =E2=80=94 Ian