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Thu, 10 Mar 2022 09:11:51 -0500 (EST) From: Konrad Hinsen To: Ludovic =?utf-8?Q?Court=C3=A8s?= Subject: Re: Permanently available environments In-Reply-To: <87v8wo7nml.fsf@gnu.org> References: <87v8wo7nml.fsf@gnu.org> Date: Thu, 10 Mar 2022 15:11:50 +0100 Message-ID: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=64.147.123.25; envelope-from=konrad.hinsen@fastmail.net; helo=wout2-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, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=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: help-guix@gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: help-guix@gnu.org Errors-To: help-guix-bounces+larch=yhetil.org@gnu.org Sender: "Help-Guix" X-Migadu-Flow: FLOW_IN X-Migadu-Country: US ARC-Message-Signature: i=1; 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aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=fastmail.net header.s=fm3 header.b=W60Tu9kZ; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm2 header.b="TI2A/Im5"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=fastmail.net (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Spam-Score: 4.50 Authentication-Results: aspmx1.migadu.com; dkim=fail ("headers rsa verify failed") header.d=fastmail.net header.s=fm3 header.b=W60Tu9kZ; dkim=fail ("headers rsa verify failed") header.d=messagingengine.com header.s=fm2 header.b="TI2A/Im5"; dmarc=fail reason="SPF not aligned (relaxed)" header.from=fastmail.net (policy=none); spf=pass (aspmx1.migadu.com: domain of "help-guix-bounces+larch=yhetil.org@gnu.org" designates 209.51.188.17 as permitted sender) smtp.mailfrom="help-guix-bounces+larch=yhetil.org@gnu.org" X-Migadu-Queue-Id: 1236D3AE18 X-Spam-Score: 4.50 X-Migadu-Scanner: scn0.migadu.com X-TUID: ZpKRxw47kGg9 Hi Ludo, > Another option is to rely on the =E2=80=98time-machine=E2=80=99 and =E2= =80=98shell=E2=80=99 LRU caches. > That is, you can run: That's what I did in the past, until the first time I hit an expired cache. In conformance with Murphy's law, I was in a train, with a bad Internet-by-phone connection, and Guix started downloading texlive. So... > Would it work for you? No. I tend to keep project-specific environments unchanged for long times, longer than Guix keeps its caches. Cheers, Konrad