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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: Re: bug#63726: time-machine without options does not get the latest
commit
In-Reply-To: <875y8gcedh.fsf@HIDDEN>
References: <87v8ggwmat.fsf@HIDDEN> <875y8gcedh.fsf@HIDDEN>
Date: Fri, 26 May 2023 11:31:01 +0200
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--=-=-=
Content-Type: text/plain; charset=utf-8
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Hi,
On jeu., 25 mai 2023 at 23:03, Ludovic Court=C3=A8s <ludo@HIDDEN> wrote:
> I had to check the code, but =E2=80=98guix time-machine=E2=80=99 follows =
the same logic
> as =E2=80=98guix pull=E2=80=99: it reads ~/.config/guix/channels.scm, and=
so on (that=E2=80=99s
> the =E2=80=98channel-list=E2=80=99 procedure).
--8<---------------cut here---------------start------------->8---
$ cat ~/.config/guix/channels.scm
(use-modules (guix ci))
(list (channel-with-substitutes-available
%default-guix-channel
"https://ci.guix.gnu.org"))
$ guix time-machine -C ~/.config/guix/channels.scm -- describe
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.or=
g/git/guix.git'...
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
compute-guix-derivation 1013B =
373KiB/s 00:00 =E2=96=95=E2=96=88=
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=8F 100.0%
Computing Guix derivation for 'x86_64-linux'... \
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
/gnu/store/80sisjhmmb0sbvyylavm3c2rgjnhypw2-profile.drv
/gnu/store/3213n6v442d1zv17xidg8s48hx02f433-guix-daemon.drv
/gnu/store/77k19wqklyw4gvxqjjdg8ah4k9llb5c0-guix-command.drv
/gnu/store/3cyv2vdk3v0asjqbspzlgbzibk1f50p2-guix-system-tests-modules.drv
/gnu/store/9pq5bivbzg476svaqv38xjgwyhg0ml2k-guix-cli-core-modules.drv
/gnu/store/gpjmcxvr10fnzjvkwr7yf2wpyrzyb5nm-guix-packages-base-modules.drv
/gnu/store/gqamr3s5amc1ayqa4xbzv114zy6l8ac8-guix-system-modules.drv
/gnu/store/xv2yv334dpxvq8bw605avhcf6dv0smyp-guix-home-modules.drv
/gnu/store/yya1dwvx7svj588vnqznabqaa2ahv4a3-guix-cli-modules.drv
[...]
building profile with 1 package...
guix 849286b
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 849286ba66c96534bddc04df1a47d5692cbc977e
$ guix time-machine -- describe
guix 849286b
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 849286ba66c96534bddc04df1a47d5692cbc977e
$ mv ~/.config/guix/channels.scm /tmp/channels.scm
$ guix time-machine -C ~/.config/guix/channels.scm -- describe
guix time-machine: error: failed to load '/home/simon/.config/guix/channels=
.scm': No such file or directory
$ guix time-machine -- describe
Updating channel 'guix' from Git repository at 'https://git.savannah.gnu.or=
g/git/guix.git'...
Authenticating channel 'guix', commits 9edb3f6 to 3299b40 (36 new commits).=
..
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
compute-guix-derivation 1016B =
168KiB/s 00:00 =E2=96=95=E2=96=88=
=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=
=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=88=E2=96=
=88=E2=96=8F 100.0%
Computing Guix derivation for 'x86_64-linux'... -
substitute: updating substitutes from 'https://ci.guix.gnu.org'... 100.0%
The following derivations will be built:
/gnu/store/4gm2ay6gjsjq6iclmbm4jqnvja12axy2-profile.drv
/gnu/store/7b50p1xnh4r5ahfj4da8yb8xgzqdjsyv-guix-daemon.drv
/gnu/store/qgcnzghwqxkak53rhnggl73d6r1jkq4q-guix-command.drv
/gnu/store/1spf6ndyz62izy3xgr9v5jnjin305s2v-guix-cli-core-modules.drv
/gnu/store/3fib3w2cjl83r75zfllby6wp3znh362p-guix-system-tests-modules.drv
/gnu/store/7vn6pq6j5psjwlcgvl1nbgwlspamx1wx-guix-home-modules.drv
/gnu/store/9qr483y1law33nqdwz7bjr32sbkka2xw-guix-cli-modules.drv
/gnu/store/iq10xaghbj6435w4c6nmyqb3kwzs119f-guix-packages-base-modules.drv
/gnu/store/wzssfkmqywrqm86vjlyxzpf26d4h30qd-guix-system-modules.drv
[...]
building profile with 1 package...
guix 3299b40
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 3299b40b3599371890816b52d65a6a5ada1b1131
--8<---------------cut here---------------end--------------->8---
Hum. Now, I am not seeing anymore e499cb2. Related to #63667 [1]?
1: https://issues.guix.gnu.org/issue/63667
> Should we fix the doc or should we fix the code?=E2=80=A6
What about this patch?
--=-=-=
Content-Type: text/x-diff
Content-Disposition: inline;
filename=0001-doc-Reword-guix-time-machine-without-option.patch
Content-Description: doc.patch
From 63b862ed9f3d3b019af3c6926bc1737f573bdfe6 Mon Sep 17 00:00:00 2001
Message-Id: <63b862ed9f3d3b019af3c6926bc1737f573bdfe6.1685093404.git.zimon.toutoune@HIDDEN>
From: Simon Tournier <zimon.toutoune@HIDDEN>
Date: Fri, 26 May 2023 11:26:32 +0200
Subject: [PATCH] doc: Reword guix time-machine without option.
* doc/guix.texi (Invoking guix time-machine): Reword the behaviour in the
absence of any option.
---
doc/guix.texi | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)
diff --git a/doc/guix.texi b/doc/guix.texi
index 31dc33fb97..54f8a20196 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -4958,16 +4958,20 @@ Invoking guix time-machine
@xref{Channels} for more information.
@end table
-As for @command{guix pull}, the absence of any options means that the
-latest commit on the master branch will be used. The command
+Similarly as @command{guix pull}, the absence of any options means that
+either the user's @file{~/.config/guix/channels.scm} file, or either the
+system-wide @file{/etc/guix/channels.scm} file, or either the built-in
+default channels specified in the @code{%default-channels} will be
+honored, in that order. The command
@example
guix time-machine -- build hello
@end example
-will thus build the package @code{hello} as defined in the master branch,
-which is in general a newer revision of Guix than you have installed.
-Time travel works in both directions!
+will thus build the package @code{hello} as defined by the previous
+@dfn{channels} file (@pxref{Channels}). In general, it builds a newer
+revision of Guix than you have installed. Time travel works in both
+directions!
Note that @command{guix time-machine} can trigger builds of channels and
their dependencies, and these are controlled by the standard build
base-commit: 99fc7e5dd3c9c92f9b6c2e51db9dc5b0481a56b2
prerequisite-patch-id: 7ff5f10954ba2e9663c6e7b15e7aee448c8b74c2
prerequisite-patch-id: cb31c4d7ad8d27df155dcf57b61116048a6b0681
prerequisite-patch-id: f256649d0fac1d618b07615c97c46e66436b9262
--
2.38.1
--=-=-=
Content-Type: text/plain
Cheers,
simon
--=-=-=--
bug-guix@HIDDEN:bug#63726; Package guix.
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From: Konrad Hinsen <konrad.hinsen@HIDDEN>
To: Ludovic =?utf-8?Q?Court=C3=A8s?= <ludo@HIDDEN>, Simon Tournier
<zimon.toutoune@HIDDEN>
Subject: Re: bug#63726: time-machine without options does not get the latest
commit
In-Reply-To: <875y8gcedh.fsf@HIDDEN>
References: <87v8ggwmat.fsf@HIDDEN> <875y8gcedh.fsf@HIDDEN>
Date: Fri, 26 May 2023 13:15:28 +0200
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Hi,
> Should we fix the doc or should we fix the code?=E2=80=A6
I vote for fixing the doc. Two reasons:
1. Having "guix time-machine" and "guix pull" behave in the same way
is desirable. Less cognitive load for users.
2. What the doc says cannot be implemented in general. "The latest
commit on the master branch" makes no sense for a setup with
multiple channels, some of which may not even have a branch called
"master".
Cheers,
Konrad.
bug-guix@HIDDEN:bug#63726; Package guix.
Full text available.Received: (at 63726) by debbugs.gnu.org; 25 May 2023 21:04:04 +0000 From debbugs-submit-bounces <at> debbugs.gnu.org Thu May 25 17:04:04 2023 Received: from localhost ([127.0.0.1]:48270 helo=debbugs.gnu.org) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <debbugs-submit-bounces <at> debbugs.gnu.org>) id 1q2I7w-0007M8-0Z for submit <at> debbugs.gnu.org; Thu, 25 May 2023 17:04:04 -0400 Received: from eggs.gnu.org ([209.51.188.92]:42210) by debbugs.gnu.org with esmtp (Exim 4.84_2) (envelope-from <ludo@HIDDEN>) id 1q2I7u-0007Lf-UT for 63726 <at> debbugs.gnu.org; Thu, 25 May 2023 17:04:03 -0400 Received: from fencepost.gnu.org ([2001:470:142:3::e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1q2I7p-0006kr-Ka; Thu, 25 May 2023 17:03:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=gnu.org; s=fencepost-gnu-org; h=MIME-Version:In-Reply-To:Date:References:Subject:To: From; bh=o+oZiHdO7lKUib63XD0PLkzEzO5tXD3Gf47PLzkuPGM=; b=KNXRaD4kxyrQeAs0iFSW E4YTdnj/Q0ijpuA+vHhcbsQpANAkNmAO3q8XypkLGvVWYEoehHyVLB9gNnhT+Vlb4yzE8i0nqhbgX zrmOLe2EcUCMH5E7TvwK6hSBs9o6ju8z9sfw9iHHWpXKbTsHa8Igg4dnx+PiL0uAGrMgZ27emc6jj /JIL9iG5j2I3DppXzL5Pr+/cswdvwgSXnhdGOIr6BXAAEagYhCbgNFkkwP3zBLLQzPNIvatK/ebdx MFSnM12o6dFaorOigewKTXJ+2MiY/320Y7gYo5sftjNFt0tHioELTr/iNnmPhrYmjBbz+/uaBsjTN 1jjvacIn/rOOqw==; Received: from 91-160-117-201.subs.proxad.net ([91.160.117.201] helo=ribbon) by fencepost.gnu.org with esmtpsa (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from <ludo@HIDDEN>) id 1q2I7p-0008DO-7w; Thu, 25 May 2023 17:03:57 -0400 From: =?utf-8?Q?Ludovic_Court=C3=A8s?= <ludo@HIDDEN> To: Simon Tournier <zimon.toutoune@HIDDEN> Subject: Re: bug#63726: time-machine without options does not get the latest commit References: <87v8ggwmat.fsf@HIDDEN> Date: Thu, 25 May 2023 23:03:54 +0200 In-Reply-To: <87v8ggwmat.fsf@HIDDEN> (Simon Tournier's message of "Thu, 25 May 2023 15:52:26 +0200") Message-ID: <875y8gcedh.fsf@HIDDEN> User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/28.2 (gnu/linux) MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable X-Spam-Score: -2.3 (--) X-Debbugs-Envelope-To: 63726 Cc: Konrad Hinsen <konrad.hinsen@HIDDEN>, 63726 <at> debbugs.gnu.org X-BeenThere: debbugs-submit <at> debbugs.gnu.org X-Mailman-Version: 2.1.18 Precedence: list List-Id: <debbugs-submit.debbugs.gnu.org> List-Unsubscribe: <https://debbugs.gnu.org/cgi-bin/mailman/options/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=unsubscribe> List-Archive: <https://debbugs.gnu.org/cgi-bin/mailman/private/debbugs-submit/> List-Post: <mailto:debbugs-submit <at> debbugs.gnu.org> List-Help: <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=help> List-Subscribe: <https://debbugs.gnu.org/cgi-bin/mailman/listinfo/debbugs-submit>, <mailto:debbugs-submit-request <at> debbugs.gnu.org?subject=subscribe> Errors-To: debbugs-submit-bounces <at> debbugs.gnu.org Sender: "Debbugs-submit" <debbugs-submit-bounces <at> debbugs.gnu.org> X-Spam-Score: -3.3 (---) Hi, Simon Tournier <zimon.toutoune@HIDDEN> skribis: > Now, what I am missing. The manual says: > > As for =E2=80=98guix pull=E2=80=99, the absence of any options mea= ns that the latest > commit on the master branch will be used. The command > > guix time-machine -- build hello > > will thus build the package =E2=80=98hello=E2=80=99 as defined in = the master branch, > which is in general a newer revision of Guix than you have installed. > Time travel works in both directions! > > and I get: > > $ guix time-machine -- describe > guix e499cb2 > repository URL: https://git.savannah.gnu.org/git/guix.git > commit: e499cb2c12d7f1c6d2f004364c9cc7bdb7e38cd5 > > > But I do not understand from where this commit hash is coming from. And > please note that this commit seems coming from my previous experiments > reported in #63667 [1]. > > Well, the last commit seems a9cde26133b, I had to check the code, but =E2=80=98guix time-machine=E2=80=99 follows th= e same logic as =E2=80=98guix pull=E2=80=99: it reads ~/.config/guix/channels.scm, and s= o on (that=E2=80=99s the =E2=80=98channel-list=E2=80=99 procedure). I must say I=E2=80=99m surprised, but it=E2=80=99s always been this way. Should we fix the doc or should we fix the code?=E2=80=A6 Ludo=E2=80=99.
bug-guix@HIDDEN:bug#63726; Package guix.
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From: Simon Tournier <zimon.toutoune@HIDDEN>
To: bug-guix@HIDDEN
Subject: time-machine without options does not get the latest commit
Date: Thu, 25 May 2023 15:52:26 +0200
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Hi,
Well, I do not know if it is a bug or if I misuse something. Feel free
to close if I am missing a point.
--8<---------------cut here---------------start------------->8---
$ guix describe
Generation 25 mai 19 2023 13:30:14 (current)
guix 14c0380
repository URL: https://git.savannah.gnu.org/git/guix.git
branch: master
commit: 14c03807ba4bc81d42cf869f5b827f7da54ff843
$ git -C ~/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27sh=
j7apsnalwq log --oneline -1
14c03807ba4 (HEAD -> master) gnu: ruby-3.2: Upgrade to 3.2.2 [fixes CVE-202=
3-{28755, 28756}].
--8<---------------cut here---------------end--------------->8---
Well, that=E2=80=99s just a luck that both commit hash matches.
Now, what I am missing. The manual says:
As for =E2=80=98guix pull=E2=80=99, the absence of any options means=
that the latest
commit on the master branch will be used. The command
guix time-machine -- build hello
will thus build the package =E2=80=98hello=E2=80=99 as defined in th=
e master branch,
which is in general a newer revision of Guix than you have installed.
Time travel works in both directions!
and I get:
--8<---------------cut here---------------start------------->8---
$ guix time-machine -- describe
guix e499cb2
repository URL: https://git.savannah.gnu.org/git/guix.git
commit: e499cb2c12d7f1c6d2f004364c9cc7bdb7e38cd5
--8<---------------cut here---------------end--------------->8---
But I do not understand from where this commit hash is coming from. And
please note that this commit seems coming from my previous experiments
reported in #63667 [1].
Well, the last commit seems a9cde26133b,
--8<---------------cut here---------------start------------->8---
$ git -C ~/.cache/guix/checkouts/pjmkglp4t7znuugeurpurzikxq3tnlaywmisyr27sh=
j7apsnalwq log origin/master --oneline -1
a9cde26133b (origin/master, origin/HEAD) gnu: Add mouseloupe.
--8<---------------cut here---------------end--------------->8---
Therefore, let create a Guix revision:
--8<---------------cut here---------------start------------->8---
$ guix time-machine --commit=3Da9cde26133b -- describe
guix a9cde26
repository URL: https://git.savannah.gnu.org/git/guix.git
commit: a9cde26133bd98498869a3528d9dff0d3f456a96
--8<---------------cut here---------------end--------------->8---
However, still this e499cb2 one:
--8<---------------cut here---------------start------------->8---
$ guix time-machine -- describe
guix e499cb2
repository URL: https://git.savannah.gnu.org/git/guix.git
commit: e499cb2c12d7f1c6d2f004364c9cc7bdb7e38cd5
--8<---------------cut here---------------end--------------->8---
Cheers,
simon
1: https://issues.guix.gnu.org/issue/63667
Simon Tournier <zimon.toutoune@HIDDEN>:bug-guix@HIDDEN.
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