GNU bug report logs - #46318
28.0.50; mailcap-file-default-commands missing entries

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

From: Mark Oteiza <mvoteiza <at> udel.edu>
To: bug-gnu-emacs <at> gnu.org
Subject: 28.0.50; mailcap-file-default-commands missing entries
Date: Fri, 5 Feb 2021 00:31:54 -0500

From -Q:
1. ~/.mailcap contains lines:
audio/*; mpv %s;
audio/*; play %s;
2. (require 'mailcap)
   (mailcap-file-default-commands '("lol.mp3"))
   ; => ("mpv")

I'd expect it to return '("mpv" "play" ...)

In GNU Emacs 28.0.50 (build 1, x86_64-pc-linux-gnu, X toolkit, cairo version 1.17.4, Xaw scroll bars)
 of 2021-01-25 built on logos
Repository revision: a10c74fbea46d5299e19167248383c69fd30648c
Repository branch: master

Message #8 received at 46318 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Mark Oteiza <mvoteiza <at> udel.edu>
Cc: 46318 <at> debbugs.gnu.org
Subject: Re: bug#46318: 28.0.50; mailcap-file-default-commands missing entries
Date: Fri, 05 Feb 2021 10:34:22 +0100

Mark Oteiza <mvoteiza <at> udel.edu> writes:

>>From -Q:
> 1. ~/.mailcap contains lines:
> audio/*; mpv %s;
> audio/*; play %s;
> 2. (require 'mailcap)
>    (mailcap-file-default-commands '("lol.mp3"))
>    ; => ("mpv")
>
> I'd expect it to return '("mpv" "play" ...)

The function will only return the commands that are actually installed.
Do you have "play" installed?

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

Message #13 received at 46318 <at> debbugs.gnu.org (full text, mbox):

From: Mark Oteiza <mvoteiza <at> udel.edu>
To: Lars Ingebrigtsen <larsi <at> gnus.org>
Cc: 46318 <at> debbugs.gnu.org
Subject: Re: bug#46318: 28.0.50; mailcap-file-default-commands missing entries
Date: Fri, 5 Feb 2021 10:54:06 -0500

On 05/02/21 at 10:34am, Lars Ingebrigtsen wrote:
> Mark Oteiza <mvoteiza <at> udel.edu> writes:
> 
> >>From -Q:
> > 1. ~/.mailcap contains lines:
> > audio/*; mpv %s;
> > audio/*; play %s;
> > 2. (require 'mailcap)
> >    (mailcap-file-default-commands '("lol.mp3"))
> >    ; => ("mpv")
> >
> > I'd expect it to return '("mpv" "play" ...)
> 
> The function will only return the commands that are actually installed.
> Do you have "play" installed?
> 

When did it start checking for things being installed?  I don't see
executable-find or anything there.  FWIW, on another system with 24.5,
the recipe returns ("mpv" "play" "showaudio") and I have none of those
things installed on that system.

Message #16 received at 46318 <at> debbugs.gnu.org (full text, mbox):

From: Lars Ingebrigtsen <larsi <at> gnus.org>
To: Mark Oteiza <mvoteiza <at> udel.edu>
Cc: 46318 <at> debbugs.gnu.org
Subject: Re: bug#46318: 28.0.50; mailcap-file-default-commands missing entries
Date: Sat, 06 Feb 2021 11:41:21 +0100

Mark Oteiza <mvoteiza <at> udel.edu> writes:

>> The function will only return the commands that are actually installed.
>> Do you have "play" installed?
>> 
>
> When did it start checking for things being installed?  I don't see
> executable-find or anything there.  FWIW, on another system with 24.5,
> the recipe returns ("mpv" "play" "showaudio") and I have none of those
> things installed on that system.

No, that wasn't the problem -- it was a bug in the code trying to prefer
entries from ~/.mailcap over other entries.  It would only use the first
entry found.

This is now fixed in Emacs 28.

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

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