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Subject: [bug#30647] [PATCH] guix build: Support '--remote-log-file=PACKAGE'.
Resent-Message-ID: <handler.30647.B30647.151993941524481@debbugs.gnu.org>
From: ludo@gnu.org (Ludovic =?UTF-8?Q?Court=C3=A8s?=)
References: <20180228141959.19789-1-go.wigust@gmail.com>
	<87po4ou5ie.fsf@gnu.org> <940aba4e5d289b70aa499525c0093704@tobias.gr>
Date: Thu, 01 Mar 2018 22:23:30 +0100
In-Reply-To: <940aba4e5d289b70aa499525c0093704@tobias.gr> (Tobias
	Geerinckx-Rice's message of "Thu, 01 Mar 2018 16:16:36 +0100")
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To: Tobias Geerinckx-Rice <me@tobias.gr>
Cc: 30647@debbugs.gnu.org

Hey Tobias,

Tobias Geerinckx-Rice <me@tobias.gr> skribis:

> On 2018-02-28 23:13, ludo@gnu.org wrote:
>> What did you think of having =E2=80=98--log-file=E2=80=99 transparently =
fall back to
>> searching for log files on substitute servers?
>>
>> I find it handy, but also wondered if it might surprise users that such
>> a trivially-looking option connects to external servers.
>
> It would pleasantly surprise me :-)

Good.  :-)

> TBH, I don't see the difference between this & all other actions that
> already connect to external servers.
>
> Is this different? Will it ignore =E2=80=99--no-substitutes=E2=80=99, or =
ping servers
> outside of user-approved substitute-urls? Does it need to?

It=E2=80=99s not really different, indeed.  (The only thing is that the lis=
t of
substitute URLs that is used by =E2=80=98--log-file=E2=80=99 can differ fro=
m that of
guix-daemon; but that=E2=80=99s a bug, really.)

>> I thought about having it print something when it does so.
>
> Like a progress bar? Seems more eye-catching than yet another
> warning. Or something more permanent in/next to the downloaded log?

=E2=80=98--log-file=E2=80=99 just probes remote servers without actually do=
wnloading the
log, so a progress bar wouldn=E2=80=99t be useful.

I was thinking of a message like:

  info: looking for build log at https://=E2=80=A6/log/=E2=80=A6-foo

Ludo=E2=80=99.