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Subject: bug#72448: "xdg-mime query filetype" fails silently on many filetypes (with fixes I see)
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Ahoy Guix!

"xdg-mime query filetype a-book.epub" or "whatever.pdf" returns nothing,
which is both puzzling and limiting as it blocks "xdg-open" to work for
many files.

My case was opening pdf or epub files from Emacs, which "xdg-open"
always sends to the browser, whatever my config (instead of e.g. evince
or Foliate).

So debugging shows that:
in ".xdg-mime-real",
(/gnu/store/06ll0ydqsf4bjxwpwsi68dmn2cg0biy6-xdg-utils-1.1.3/bin/xdg-mime
points there),
l.673-684 in "info_gnome()",
even if the "if ... elif ... elif ... fi" fails
(i.e. none of "gio", "gvfs-info", or "gnomevfs-info" are available),
then l.696 "if [ $? -eq 0 ]" gives always true.

Why? I don't know. I guess having a "case ..." instead of "if ... fi"
would solve this.

But the result is "exit_success" gets called whatever the situation, and
xdg-mime often gives no output, which then bugs "xdg-open".

Running this in "guix shell gnome-vfs" solves it, but what should be
done to fix? And how did this not appear earlier? (is xdg* new?)

The options I see are adding the "gnome-vfs" dependency ("gvfs" doesn't
provide "gvfs-info", and "gio" is not a package), or proposing "case"
instead of "if" upstream.

--=20
S=C3=A9bastien Lerique
https://slvh.fr/

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To: =?UTF-8?Q?S=C3=A9bastien?= Lerique <sl@HIDDEN>
Subject: bug#72448: Acknowledgement ("xdg-mime query filetype" fails
 silently on many filetypes (with fixes I see))
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Subject: bug#72448: "xdg-mime query filetype" fails silently on many filetypes (with fixes I see)
Resent-From: Liliana Marie Prikler <liliana.prikler@HIDDEN>
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From: Liliana Marie Prikler <liliana.prikler@HIDDEN>
Date: Sun, 04 Aug 2024 11:23:03 +0200
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Am Samstag, dem 03.08.2024 um 20:33 +0200 schrieb S=C3=A9bastien Lerique:
> Ahoy Guix!
>=20
> "xdg-mime query filetype a-book.epub" or "whatever.pdf" returns
> nothing, which is both puzzling and limiting as it blocks "xdg-open"
> to work for many files.
>=20
> My case was opening pdf or epub files from Emacs, which "xdg-open"
> always sends to the browser, whatever my config (instead of e.g.
> evince or Foliate).
>=20
> So debugging shows that:
> in ".xdg-mime-real",
> (/gnu/store/06ll0ydqsf4bjxwpwsi68dmn2cg0biy6-xdg-utils-1.1.3/bin/xdg-
> mime
> points there),
> l.673-684 in "info_gnome()",
> even if the "if ... elif ... elif ... fi" fails
> (i.e. none of "gio", "gvfs-info", or "gnomevfs-info" are available),
> then l.696 "if [ $? -eq 0 ]" gives always true.
>=20
> Why? I don't know. I guess having a "case ..." instead of "if ... fi"
> would solve this.
Could you prepare a patch to do so?  Or has one already been proposed
upstream?

> But the result is "exit_success" gets called whatever the situation,
> and xdg-mime often gives no output, which then bugs "xdg-open".
>=20
> Running this in "guix shell gnome-vfs" solves it, but what should be
> done to fix? And how did this not appear earlier? (is xdg* new?)
>=20
> The options I see are adding the "gnome-vfs" dependency ("gvfs"
> doesn't provide "gvfs-info", and "gio" is not a package), or
> proposing "case" instead of "if" upstream.
Note: In GNOME, prefer `gio open', it's part of glib:bin. =20
On other desktops, I don't know what the preferred solution would be.

Cheers

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Subject: bug#72448: "xdg-mime query filetype" fails silently on many filetypes (with fixes I see)
Resent-From: =?UTF-8?Q?S=C3=A9bastien?= Lerique <sl@HIDDEN>
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From: =?UTF-8?Q?S=C3=A9bastien?= Lerique <sl@HIDDEN>
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 (Liliana Marie Prikler's message of "Sun, 04 Aug 2024 11:23:03 +0200")
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On 04 Aug 2024 at 11:23, Liliana Marie Prikler <liliana.prikler@HIDDEN> wrote:

>> Why? I don't know. I guess having a "case ..." instead of "if ... fi"
>> would solve this.
> Could you prepare a patch to do so?  Or has one already been proposed
> upstream?
>

I can have a look and submit next month I'd say, being a little
underwater currently :)

>> The options I see are adding the "gnome-vfs" dependency ("gvfs"
>> doesn't provide "gvfs-info", and "gio" is not a package), or
>> proposing "case" instead of "if" upstream.
> Note: In GNOME, prefer `gio open', it's part of glib:bin.  
> On other desktops, I don't know what the preferred solution would be.
>

So "gio open" works indeed from the shell, but doomemacs only works
using "gnome-vfs", for a reason I can't figure out yet.

Best

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