Re: Bookworm's /etc/mailcap seems to break s-nail

From	Max Nikulin <manikulin@gmail.com>
Newsgroups	linux.debian.user
Subject	Re: Bookworm's /etc/mailcap seems to break s-nail
Date	2024-05-15 18:00 +0200
Message-ID	<IEpcR-dxWM-11@gated-at.bofh.it> (permalink)
References	<IB6gp-buny-23@gated-at.bofh.it> <IB6zL-buuU-1@gated-at.bofh.it> <IB7vP-bv5W-13@gated-at.bofh.it> <IBrux-bHif-3@gated-at.bofh.it> <IBvRv-bK09-5@gated-at.bofh.it>
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On 07/05/2024 23:24, Max Nikulin wrote:
>> On 2024-05-06 17:04, Max Nikulin wrote:
>>> So doubled backslashes (as in .desktop files) are correct.
>>>
>>> What is wrong is lack of backslashes added before ";" and it is a bug.

I have filed
https://bugs.debian.org/1071036
update-mime does not escape semicolon in .desktop Exec entries

This particular bug almost certainly may be fixed by adding an extra 
line of perl code.

However 2 layer of quoting in .desktop files: special rules for Exec and 
general for any strings require more work to get entries properly 
escaped for mailcap in general case.

In the meanwhile I have realized that BASH implementation of parsing 
Exec entries in xdg-open fallback function search_desktop_file is really 
ugly:
https://gitlab.freedesktop.org/xdg/xdg-utils/-/blob/master/scripts/xdg-open.in?ref_type=heads#L312

I am unsure if it is possible to implement double quotes rule
https://specifications.freedesktop.org/desktop-entry-spec/latest/ar01s07.html

Since xdg-open usually delegates handling of URIs to the desktop 
environment, this code is active only for those who avoid any DE.

Thread

Bookworm's /etc/mailcap seems to break s-nail Jesper Dybdal <jd-debian-user@dybdal.dk> - 2024-05-06 15:10 +0200
  Re: Bookworm's /etc/mailcap seems to break s-nail Greg Wooledge <greg@wooledge.org> - 2024-05-06 15:30 +0200
    Re: Bookworm's /etc/mailcap seems to break s-nail Jesper Dybdal <jd-debian-user@dybdal.dk> - 2024-05-06 16:10 +0200
    Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-06 16:30 +0200
      Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-06 17:10 +0200
      Re: Bookworm's /etc/mailcap seems to break s-nail Jesper Dybdal <jd-debian-user@dybdal.dk> - 2024-05-07 13:50 +0200
        Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-07 18:30 +0200
          Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-15 18:00 +0200
            Re: Bookworm's /etc/mailcap seems to break s-nail "Jonathan Dowland" <jmtd@debian.org> - 2024-05-16 09:50 +0200
              Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-17 13:00 +0200
                Re: Bookworm's /etc/mailcap seems to break s-nail "Jonathan Dowland" <jmtd@debian.org> - 2024-05-20 11:50 +0200
            Re: Bookworm's /etc/mailcap seems to break s-nail Jesper Dybdal <jesper@dybdal.dk> - 2024-05-17 22:50 +0200
  Re: Bookworm's /etc/mailcap seems to break s-nail David Wright <deblis@lionunicorn.co.uk> - 2024-05-06 17:00 +0200
    Re: Bookworm's /etc/mailcap seems to break s-nail Max Nikulin <manikulin@gmail.com> - 2024-05-06 17:10 +0200

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