GNU bug report logs - #58149
Unable to pull when using a pre-lzip version of guix-daemon

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From: Ricardo Wurmus <rekado <at> elephly.net>
To: 58149 <at> debbugs.gnu.org
Subject: bug#58149: Unable to pull when using a pre-lzip version of guix-daemon
Date: Mon, 03 Oct 2022 22:47:52 +0200

I’d just like to note what I do when I’m finding myself in a situation
where I’m tempted to run “guix pull” from a very old version of Guix:

1. visit https://ci.guix.gnu.org and select the “guix” jobset.
2. select a recent successful evaluation, e.g. https://ci.guix.gnu.org/eval/686692
3. select a build for your architecture, e.g. https://ci.guix.gnu.org/build/1565155/details
4. copy the derivation, e.g. /gnu/store/z0zhkvvmnjaji1i6lan0gxdqxhkr59as-guix-17134b9ec.drv
5. run “guix build /gnu/store/z0zhkvvmnjaji1i6lan0gxdqxhkr59as-guix-17134b9ec.drv”; this very noisily substitutes
the derivation and eventually prints “/gnu/store/pl3vs9a35mb0zmmpqimsxvl8ddl1bn41-guix-17134b9ec”

You now have an inconveniently named, but very recent Guix!

If your guix-daemon is too old you can replace it with
/gnu/store/pl3vs9a35mb0zmmpqimsxvl8ddl1bn41-guix-17134b9ec/bin/guix-daemon;
then you run /gnu/store/pl3vs9a35mb0zmmpqimsxvl8ddl1bn41-guix-17134b9ec/bin/guix pull, which upgrades
your Guix at ~/.config/guix/current.

Hope this helps!

-- 
Ricardo

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