From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Cl=C3=A9ment?= Lassieur <clement@lassieur.org>
Subject: bug#34015: guix copy error message is quite difficult to understand
Date: Thu, 10 Jan 2019 10:49:10 +0100
Message-ID: <87h8egalm1.fsf@lassieur.org>
References: <87bm4rnnnf.fsf@lassieur.org> <87imyx1q7d.fsf@gnu.org>
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To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@gnu.org>
Cc: 34015@debbugs.gnu.org

Hi Ludovic,

Ludovic Court=C3=A8s <ludo@gnu.org> writes:

> Hello Cl=C3=A9ment,
>
> Cl=C3=A9ment Lassieur <clement@lassieur.org> skribis:
>
>> This is what happens when /etc/profile isn't sourced in the remote
>> non-interactive shell on guix copy.
>
> Do you know specifically which environment variable was missing and what
> caused the backtrace?

I don't know.  (I can't test right now.)

> Also, what commit are you using?  I=E2=80=99m asking because commit
> ed7b44370f71126087eb953f36aad8dc4c44109f changed the way we talk to a
> remote Guix over SSH.

It was 627e6d8c116573e4d76a4548282532cfe3c97d54, so I had the recent
changes.

>> I find it difficult to understand.  I think the error message should
>> lead us to a way to fix the issue.
>>
>> sending 1 store item (0 MiB) to '192.168.0.51'...
>> ;;; [2019/01/08 16:48:31.587577, 0] write_to_channel_port: [GSSH ERROR] =
Remote channel is closed: #<input-output: channel (open) 16bba60>
>> Backtrace:
>>           10 (primitive-load "/home/clement/.config/guix/current/bin=E2=
=80=A6")
>> In guix/ui.scm:
>>   1644:12  9 (run-guix-command _ . _)
>> In ice-9/boot-9.scm:
>>     829:9  8 (catch srfi-34 #<procedure 169c020 at guix/ui.scm:622:=E2=
=80=A6> =E2=80=A6)
>>     829:9  7 (catch system-error #<procedure 169c0c0 at guix/script=E2=
=80=A6> =E2=80=A6)
>> In guix/scripts/copy.scm:
>>     80:27  6 (send-to-remote-host _ _)
>> In guix/ssh.scm:
>>     313:4  5 (send-files #<build-daemon 256.99 1694f00> _ _ # _ # _)
>> In guix/store.scm:
>>   1466:12  4 (export-paths #<build-daemon 256.99 1694f00> _ #<input=E2=
=80=A6> =E2=80=A6)
>>   1446:22  3 (export-path #<build-daemon 256.99 1694f00> _ #<input-=E2=
=80=A6> =E2=80=A6)
>>    644:13  2 (process-stderr _ _)
>>    607:10  1 (dump-port #<input-output: socket 14> #<input-output: =E2=
=80=A6> =E2=80=A6)
>> In unknown file:
>>            0 (put-bytevector #<input-output: channel (open) 16bba60> =E2=
=80=A6)
>>
>> ERROR: In procedure put-bytevector:
>> Throw to key `guile-ssh-error' with args `("write_to_channel_port" "Remo=
te channel is closed" #<input-output: channel (open) 16bba60> #f)'.
>
> I agree the message could be=E2=80=A6 ahem=E2=80=A6 clearer.  :-)

:-)

Thanks,
Cl=C3=A9ment