[Pkg-mozext-maintainers] Iceweasel do not start after removal of xul-ext-torbutton

[Jérémy Bobbio]

Hello Iceweasel maintainers,

The xul-ext-torbutton package in Debian displays a quite annoying
behaviour. It can be reproduced by the following steps:

 1. Install Torbutton system-wide by installing xul-ext-torbutton.
 2. Start Iceweasel for any existing profile or create a new one.
 3. Quit Iceweasel.
 4. Remove Torbutton by removing xul-ext-torbutton.
 5. Trying to start any profile that has been opened while Torbutton was
    installed, now results in Iceweasel silently failing to start.

As pointed by Ruud van Melick in #571596, this can be worked around by
manually disabling the extension through the Add-ons panel before
removing the package. After a succesful start using "-safe-mode", next
start is fine as well.

I really wonder how to fix this, as it is obviously not possible to go
through every user profiles to tweak them.

Would you have any insights, ideas, pointers on what could cause this?
Any rules about custom components registration that might not be
followed by Torbutton?

Cheers,
-- 
Jérémy Bobbio                        .''`. 
lunar at debian.org                    : :Ⓐ  :  # apt-get install anarchism
                                    `. `'` 
                                      `-   
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