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To: =?UTF-8?Q?Ludovic_Court=C3=A8s?= Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass client-ip=2607:f8b0:4864:20::72e; envelope-from=zimon.toutoune@gmail.com; helo=mail-qk1-x72e.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. 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: 2.1.23 Precedence: list List-Id: "Development of GNU Guix and the GNU System distribution." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Guix Devel , =?UTF-8?B?SmFrdWIgS8SFZHppb8WCa2E=?= Errors-To: guix-devel-bounces+larch=yhetil.org@gnu.org Sender: "Guix-devel" X-Scanner: scn0 Authentication-Results: aspmx1.migadu.com; dkim=fail (rsa verify failed) header.d=gmail.com header.s=20161025 header.b=krW4OURL; dmarc=fail reason="SPF not aligned (relaxed)" header.from=gmail.com (policy=none); spf=pass (aspmx1.migadu.com: domain of guix-devel-bounces@gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=guix-devel-bounces@gnu.org X-Spam-Score: 0.09 X-TUID: SV5gMXhOPOiG On Thu, 22 Oct 2020 at 00:16, Ludovic Court=C3=A8s wrote: > > Wouldn't that mess up with guix's authentication mechanism? If we branc= h v1.2 early, our release will have no forward path to master, so all our u= sers will get an error when running guix pull. > > No, that=E2=80=99s fine as long as there=E2=80=99s a path from the source= commit to the > target commit. > > It=E2=80=99s the same as running =E2=80=98guix pull --branch=3Dstaging=E2= =80=99 today for > instance. >From 58af4c9, I did "guix pull --branch=3Dstaging" and then "guix pull -l" says the last is 353bdae, so far so good. And from there I run "guix pull" and paf! --8<---------------cut here---------------start------------->8--- Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.org/git/guix.git'... guix pull: error: aborting update of channel 'guix' to commit 3ddc47bc07439ab526013031f8e052e4c8c7cd92, which is not a descendant of 353bdae32f72b720c7ddd706576ccc40e2b43f95 hint: This could indicate that the channel has been tampered with and is tr= ying to force a roll-back, preventing you from getting the latest updates. If you think this is not the case, explicitly allow non-forward updates. --8<---------------cut here---------------end--------------->8--- Well, I do not have all the details about the commit closure implementation in mind but I remember discussing such cases. :-) I should do something wrong. Cheers, simon