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Subject: bug#36734: =?UTF-8?Q?=E2=80=98guix?= lint -c =?UTF-8?Q?source=E2=80=99?= treats redirects as warnings
Resent-From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
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Resent-Date: Fri, 19 Jul 2019 23:38:02 +0000
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To: Christopher Baines <mail@HIDDEN>
Cc: 36734 <at> debbugs.gnu.org
From: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Date: Sat, 20 Jul 2019 01:37:29 +0200
Message-ID: <871ryla952.fsf@HIDDEN>
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Hello!

I noticed that =E2=80=98guix lint -c source=E2=80=99 would incorrectly trea=
t redirects
as errors:

--8<---------------cut here---------------start------------->8---
$ ./pre-inst-env guix lint -c source iml
gnu/packages/algebra.scm:1508:5: warning: iml@HIDDEN: all the source URIs ar=
e unreachable:
gnu/packages/algebra.scm:1508:5: warning: iml@HIDDEN: permanent redirect fro=
m http://www.cs.uwaterloo.ca/~astorjoh/iml-1.0.5.tar.bz2 to https://cs.uwat=
erloo.ca/~astorjoh/iml-1.0.5.tar.bz2
--8<---------------cut here---------------end--------------->8---

This is because =E2=80=98validate-uri=E2=80=99 returns a warning for redire=
cts, whereas
before commit 50fc2384feb3bb2677d074f8f0deb5ae3c56b4d8 the code did:

    ((=3D 301 (response-code argument))
     (if (response-location argument)
         (begin
           (emit-warning package
                         (format #f (G_ "permanent redirect from ~a to ~a")
                                 (uri->string uri)
                                 (uri->string
                                  (response-location argument))))
           #t)
         (begin
           (emit-warning package
                         (format #f (G_ "invalid permanent redirect \
from ~a")
                                 (uri->string uri)))
           #f)))

IOW, =E2=80=98validate-uri=E2=80=99 would return true *and* emit a warning =
as a side effect.

I=E2=80=99m not sure how to achieve the same result now.

Thoughts?

Thanks,
Ludo=E2=80=99.

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From: help-debbugs@HIDDEN (GNU bug Tracking System)
To: Ludovic =?UTF-8?Q?Court=C3=A8s?= <ludo@HIDDEN>
Subject: bug#36734: Acknowledgement (=?UTF-8?Q?=E2=80=98guix?= lint -c
 =?UTF-8?Q?source=E2=80=99?= treats redirects as warnings)
Message-ID: <handler.36734.B.15635794588354.ack <at> debbugs.gnu.org>
References: <871ryla952.fsf@HIDDEN>
X-Gnu-PR-Message: ack 36734
X-Gnu-PR-Package: guix
Reply-To: 36734 <at> debbugs.gnu.org
Date: Fri, 19 Jul 2019 23:38:02 +0000

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