GNU bug report logs - #50693
28.0.50; newsticker is broken

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Zhiwei Chen <condy0919 <at> gmail.com>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; newsticker is broken
Date: Mon, 20 Sep 2021 12:29:24 +0800

In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, GTK+ Version 3.24.30, cairo version 1.17.4)
 of 2021-09-20 built on lilydjwg
Repository revision: 3c513435369826e44a53dcb12ecc14657e03c73d
Repository branch: master
Windowing system distributor 'The X.Org Foundation', version 11.0.12013000
System Description: Arch Linux

It can be reproduced in emacs -Q using the following snippet.

#+begin_src elisp
(setq newsticker-retrieval-method 'extern)
(setq newsticker-url-list-defaults nil)
(setq newsticker-url-list '(("Planet Emacslife" "https://planet.emacslife.com/atom.xml")
                            ("LWN (Linux Weekly News)" "https://lwn.net/headlines/rss")))

(newsticker-show-news)
#+end_src

Then press G to fetch all feeds in LWN and Emacs planet, but nothing is
displayed in the right window.

newsticker uses

wget -q -O - https://planet.emacslife.com/atom.xml

under the hood, and wget exits with 0. All observed by `bcc execsnoop'
and `bcc exitsnoop'.

-- 
Zhiwei Chen

Message #8 received at 50693 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Zhiwei Chen <condy0919 <at> gmail.com>
Cc: 50693 <at> debbugs.gnu.org
Subject: Re: bug#50693: 28.0.50; newsticker is broken
Date: Mon, 20 Sep 2021 08:21:29 +0200

[Message part 1 (text/plain, inline)]

Zhiwei Chen <condy0919 <at> gmail.com> writes:

> It can be reproduced in emacs -Q using the following snippet.
>
> #+begin_src elisp
> (setq newsticker-retrieval-method 'extern)
> (setq newsticker-url-list-defaults nil)
> (setq newsticker-url-list '(("Planet Emacslife" "https://planet.emacslife.com/atom.xml")
>                             ("LWN (Linux Weekly News)" "https://lwn.net/headlines/rss")))
>
> (newsticker-show-news)
> #+end_src
>
> Then press G to fetch all feeds in LWN and Emacs planet, but nothing is
> displayed in the right window.

I don't use Newsticker, so I don't know what it usually looks like, but
following your recipe I get the following display:

[Message part 2 (image/png, inline)]

[Message part 3 (text/plain, inline)]

Which certainly isn't empty.  So I'm unable to reproduce the problem.

Are any further steps necessary to observe the bug?

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

Message #13 received at 50693 <at> debbugs.gnu.org (full text, mbox):

From: Zhiwei Chen <condy0919 <at> gmail.com>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 50693 <at> debbugs.gnu.org
Subject: Re: bug#50693: 28.0.50; newsticker is broken
Date: Tue, 21 Sep 2021 03:58:14 +0800

Lars Ingebrigtsen <larsi <at> gnus.org> writes:

> Zhiwei Chen <condy0919 <at> gmail.com> writes:
>
>> It can be reproduced in emacs -Q using the following snippet.
>>
>> #+begin_src elisp
>> (setq newsticker-retrieval-method 'extern)
>> (setq newsticker-url-list-defaults nil)
>> (setq newsticker-url-list '(("Planet Emacslife" "https://planet.emacslife.com/atom.xml")
>>                             ("LWN (Linux Weekly News)" "https://lwn.net/headlines/rss")))
>>
>> (newsticker-show-news)
>> #+end_src
>>
>> Then press G to fetch all feeds in LWN and Emacs planet, but nothing is
>> displayed in the right window.
>
> I don't use Newsticker, so I don't know what it usually looks like, but
> following your recipe I get the following display:
>
>
>
>
> Which certainly isn't empty.  So I'm unable to reproduce the problem.
>
> Are any further steps necessary to observe the bug?

After revisiting the output content by wget, I found that's a wget bug.

https://lists.gnu.org/archive/html/bug-wget/2021-09/msg00010.html

wget prints "SSL_INIT" even in quiet mode (-q), so that newsticker
failed to parse.

Sorry to bother you, silly me.

-- 
Zhiwei Chen

Message #16 received at 50693 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Zhiwei Chen <condy0919 <at> gmail.com>
Cc: 50693 <at> debbugs.gnu.org
Subject: Re: bug#50693: 28.0.50; newsticker is broken
Date: Tue, 21 Sep 2021 06:01:05 +0200

Zhiwei Chen <condy0919 <at> gmail.com> writes:

> wget prints "SSL_INIT" even in quiet mode (-q), so that newsticker
> failed to parse.
>
> Sorry to bother you, silly me.

No problem.  :-)  I'm closing this bug report, then.

-- 
(domestic pets only, the antidote for overdose, milk.)
   bloggy blog: http://lars.ingebrigtsen.no

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