Hi Ludo, On Thu, 28 Jan 2021 at 16:54, Ludovic Courtès <l...@gnu.org> wrote:
>> $ guix time-machine -C /tmp/img/channels.scm -- pack -f docker >> --save-provenance -m /tmp/img/manifest.scm >> Updating channel 'guix' from Git repository at >> 'https://git.savannah.gnu.org/git/guix.git'... >> /gnu/store/xzk604g8gysv4azn7sf9nylr6iah97gl-docker-pack.tar.gz >> >> To compare with >> /gnu/store/wxymmnxdvdvf08ifsfy39xjaxilhrigk-docker-pack.tar.gz. >> >> On a third machine, I get: >> /gnu/store/wxymmnxdvdvf08ifsfy39xjaxilhrigk-docker-pack.tar.gz >> >> Well, that’s another story and I have not inspected yet the >> derivations and what could be wrong on the machine B. > > You’d have to check the differences. It may be that provenance data > differs, for example because the second attempt includes data about > channels that are actually unused. (That’s the whole problem of > provenance data: it’s not a one-to-one mapping and it’s not a bijection > either.) After inspecting the derivations, the issue is from the file ’config.scm-builder’ which differs by: (define-public %sysconfdir "/usr/local/etc") vs (define-public %sysconfdir "/etc") What did I do wrong? From where does this difference come? How can I fix it? Below, the different commands to spot out the issue. Cheers, simon Machine A --8<---------------cut here---------------start------------->8--- $ guix describe Generation 101 Jan 29 2021 16:22:06 (current) guix b9a54aa repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: b9a54aad0ba282ac78931b67e679bd0132419364 $ guix describe -f channels > /tmp/channels.scm $ guix pack -f docker hello /gnu/store/9vhl75vx60l56992hgy5818ndic608p5-docker-pack.tar.gz $ guix time-machine -C /tmp/channels.scm -- pack -f docker hello /gnu/store/9vhl75vx60l56992hgy5818ndic608p5-docker-pack.tar.gz $ guix gc --derivers /gnu/store/9vhl75vx60l56992hgy5818ndic608p5-docker-pack.tar.gz /gnu/store/ih94c9ny68dfalrym9m1vz4wa40rpgvs-docker-pack.tar.gz.drv --8<---------------cut here---------------end--------------->8--- 07fwgiz56f7dk760qpplnfaxribglqc7-config.scm-builder: (define-public %sysconfdir "/usr/local/etc") Machine B (and C) --8<---------------cut here---------------start------------->8--- $ guix describe Génération 7 28 janv. 2021 01:51:17 (actuelle) guix 0f20b3f URL du dépôt : https://git.savannah.gnu.org/git/guix.git branche: master commit : 0f20b3fa2050ba6e442e340a204516b9375cd231 $ cat /tmp/channels.scm (list (channel (name 'guix) (url "https://git.savannah.gnu.org/git/guix.git") (commit "b9a54aad0ba282ac78931b67e679bd0132419364") (introduction (make-channel-introduction "9edb3f66fd807b096b48283debdcddccfea34bad" (openpgp-fingerprint "BBB0 2DDF 2CEA F6A8 0D1D E643 A2A0 6DF2 A33A 54FA"))))) $ guix time-machine -C /tmp/channels.scm -- pack -f docker hello Mise à jour du canal « guix » depuis le dépôt Git «https://git.savannah.gnu.org/git/guix.git »... /gnu/store/nkvlqwzvxdlhzlc7vhfcngxc19x2ay2f-docker-pack.tar.gz $ guix pull --commit=b9a54aad0ba282ac78931b67e679bd0132419364 $ guix describe Génération 8 01 févr. 2021 17:00:18 (actuelle) guix b9a54aa URL du dépôt : https://git.savannah.gnu.org/git/guix.git commit : b9a54aad0ba282ac78931b67e679bd0132419364 $ guix pack -f docker hello /gnu/store/nkvlqwzvxdlhzlc7vhfcngxc19x2ay2f-docker-pack.tar.gz $ guix gc --derivers /gnu/store/nkvlqwzvxdlhzlc7vhfcngxc19x2ay2f-docker-pack.tar.gz /gnu/store/323k33sfx869d0nkh69ary8sj6xiy4s4-docker-pack.tar.gz.drv --8<---------------cut here---------------end--------------->8--- 00cy802583sb82kcpzfd1sz1xwff9hln-config.scm-builder: (define-public %sysconfdir "/etc")