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Re: Dropping gzip-compressed substitutes
From: |
Maxim Cournoyer |
Subject: |
Re: Dropping gzip-compressed substitutes |
Date: |
Tue, 08 Feb 2022 21:35:16 -0500 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/27.2 (gnu/linux) |
Hi Ricardo and Mathieu,
Ricardo Wurmus <rekado@elephly.net> writes:
> Hi Mathieu,
>
> thanks for the patch!
>
>> From bd306a8b20f2033d67755dd332a5d33b2f6b822d Mon Sep 17 00:00:00 2001
>> From: Mathieu Othacehe <othacehe@gnu.org>
>> Date: Tue, 8 Feb 2022 14:28:56 +0100
>> Subject: [PATCH 1/1] store: Warn about daemon deprecation.
>>
>> * guix/deprecation.scm (warn-about-old-daemon): New procedure.
>> * guix/store.scm (build-things): Use it to warn about old daemons.
>> ---
>> guix/deprecation.scm | 7 +++++++
>> guix/store.scm | 2 ++
>> 2 files changed, 9 insertions(+)
>>
>> diff --git a/guix/deprecation.scm b/guix/deprecation.scm
>> index c66c9367f6..666e178d75 100644
>> --- a/guix/deprecation.scm
>> +++ b/guix/deprecation.scm
>> @@ -1,5 +1,6 @@
>> ;;; GNU Guix --- Functional package management for GNU
>> ;;; Copyright © 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
>> +;;; Copyright © 2021 Mathieu Othacehe <othacehe@gnu.org>
>> ;;;
>> ;;; This file is part of GNU Guix.
>> ;;;
>> @@ -24,6 +25,8 @@ (define-module (guix deprecation)
>>
>> define-deprecated/public
>> define-deprecated/alias
>> +
>> + warn-about-old-daemon
>> warn-about-deprecation))
>>
>> ;;; Commentary:
>> @@ -32,6 +35,10 @@ (define-module (guix deprecation)
>> ;;;
>> ;;; Code:
>>
>> +(define (warn-about-old-daemon)
>> + (warning (G_ "Your Guix daemon is seriously outdated, please consider
>> + updating it by following the 'Upgrading Guix' documentation section.~%")))
>> +
>
> s/documention section/section in the manual/
>
> Should it also mention that staying with the old daemon means that
> binaries will no longer be available? For example:
>
> Your Guix daemon is no longer supported and will soon no longer be
> able to download binary substitutes.
>
> I realize that what you proposed is a generic warning, but perhaps it’s
> better to mention a direct consequence of failing to upgrade. (I know
> many people who will not upgrade unless they absolutely have to.)
Good idea; I modified it slightly like so:
--8<---------------cut here---------------start------------->8---
@@ -36,8 +36,9 @@ (define-module (guix deprecation)
;;; Code:
(define (warn-about-old-daemon)
- (warning (G_ "Your Guix daemon is seriously outdated, please consider
- updating it by following the 'Upgrading Guix' documentation section.~%")))
+ (warning (G_ "Your Guix daemon is severely outdated, and will soon cease to
+be able to download binary substitutes. To upgrade it, refer to the
+'Upgrading Guix' section in the manual.~%")))
(define* (warn-about-deprecation variable properties
#:key replacement)
--8<---------------cut here---------------end--------------->8---
>> --- a/guix/store.scm
>> +++ b/guix/store.scm
>> @@ -1442,6 +1442,8 @@ (define build-things
>> things)))
>> (parameterize ((current-store-protocol-version
>> (store-connection-version store)))
>> + (when (< (current-store-protocol-version) 355) ;0x163
>> + (warn-about-old-daemon))
>> (if (>= (store-connection-minor-version store) 15)
>> (build store things mode)
>> (if (= mode (build-mode normal))
>
> Maybe add a comment here to explain why this particular protocol version
> is considered old.
I added the following:
--8<---------------cut here---------------start------------->8---
@@ -1442,7 +1442,11 @@ (define build-things
things)))
(parameterize ((current-store-protocol-version
(store-connection-version store)))
- (when (< (current-store-protocol-version) 355) ;0x163
+ (when (< (current-store-protocol-version) #x163)
+ ;; This corresponds to the first version bump of the daemon
+ ;; since the introduction of lzip compression support. The
+ ;; version change happened with commit 6ef61cc4c30 on the
+ ;; 2018/10/15).
(warn-about-old-daemon))
(if (>= (store-connection-minor-version store) 15)
(build store things mode)
--8<---------------cut here---------------end--------------->8---
And pushed with commit 96d7535b03.
Thanks for the feedback!
Maxim