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

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

From: Konrad Hinsen <konrad.hinsen <at> fastmail.net>
To: bug-guix <at> gnu.org
Subject: Native Messaging in librewolf doesn't work
Date: Mon, 31 Mar 2025 21:43:01 +0200

Hi everyone,

I noticed that librewolf is now in Guix, and tried to migrate from my
current installation via librewolf's Debian repository to a Guix-based
installation.

This works mostly fine, except for one point: in the Guix-built
librewolf, the Native Messaging implementation has some problem.

My setup:
 - librewolf 136.0.4-1 (from commit
 2e17b532ed659ed38c738f44f11c35a887bd31c0)
 - PassFF extension (https://codeberg.org/PassFF/passff)
 - PassFF host (https://codeberg.org/PassFF/passff-host)
 - password-store from Guix

With this setup, PassFF signals an error

   "Connection to the host app failed or returned an unexpected result!"

every time it is opened. Some debugging reveals that the Python script
from PassFF host is never run.

Running the apt-installed librewolf (same version), with everything else
exactly the same (same user profile), PassFF works fine.

Cheers,
  Konrad.

Message #8 received at 77415 <at> debbugs.gnu.org (full text, mbox):

From: Rutherther <rutherther <at> ditigal.xyz>
To: Konrad Hinsen <konrad.hinsen <at> fastmail.net>
Cc: 77415 <at> debbugs.gnu.org
Subject: Re: Native Messaging in librewolf doesn't work
Date: Mon, 31 Mar 2025 22:18:41 +0200

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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