GNU bug report logs - #77415
Native Messaging in librewolf doesn't work

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From: Rutherther <rutherther <at> ditigal.xyz>
To: clement <at> lassieur.org, 77415 <at> debbugs.gnu.org
Cc: konrad.hinsen <at> fastmail.net, ian <at> retrospec.tv
Subject: bug#77415: Native Messaging in librewolf doesn't work
Date: Mon, 07 Apr 2025 16:56:04 +0200

Hi Clément,

Clément Lassieur <clement <at> lassieur.org> writes:

> Hi all,
>
> Did you try the guix passff-icecat package?
>
> $ guix shell icecat-minimal passff-icecat
> then you start icecat, and it works
>
> Same if you replace icecat-minimal with mullvadbrowser or torbrowser.
>
> With librewolf there is an extra step due to a librewolf package bug:
>
> $ guix shell librewolf passff-icecat
> then
> - you start librewolf
> - [extra step] you go to about:addons and enable passff
> - then it works
>
> As to why it does not work with your non-guix extension, I imagine it's
> because your native-messaging-hosts path is wrong?
>
> Did you try either
> - ~/.librewolf/native-messaging-hosts
> - $ICECAT_SYSTEM_DIR/native-messaging-hosts
>

I think you've discovered the actual bug. The issue is that
.librewolf/native-messaging-hosts is not checked, instead
ICECAT_SYSTEM_DIR is, with no fallback even if it's empty. When I set
ICECAT_SYSTEM_DIR to $HOME/.librewolf all is working fine again.

Since I use Guix Home to symlink the native messaging hosts json file
anyway, I will change it on my end and am happy with that, but I still
think it's a packaging bug.

Thanks,
Rutherther

> ?
>
> Cheers,
> Clément Lassieur
>
>
> On Mon, Mar 31 2025, Rutherther via Bug reports for GNU Guix wrote:
>
>> Hello Konrad,
>>
>> I would like to confirm the same behavior on my end. This happens with
>> every native messaging extension I tried, doesn't seem to be just some.
>> Actually, it used to work, then after something updated in Guix it
>> stopped working. The same for Firefox from nonguix.
>>
>> I have no idea how to debug this since Firefox apparently decided to
>> print the most helpful message ever for any and every error in the
>> native hosting! Sigh. That's why I haven't even reported it, because I
>> wanted to share at least some information about it, but could find
>> nothing. My only other idea was to look through the librewolf
>> compilation log, maybe it will print a warning about a missing/wrong
>> dependency etc.
>>
>> Regards,
>> Rutherther

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