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Re: Packaging IceCat extensions with Guix

From: Ludovic Courtès
Subject: Re: Packaging IceCat extensions with Guix
Date: Sat, 14 Jan 2017 18:46:37 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/25.1 (gnu/linux)

Mark H Weaver <address@hidden> skribis:

> I wrote:
>> Marius Bakke <address@hidden> writes:
>>> I read somewhere that Debian packages certain Firefox extensions. I
>>> tried doing the same with Guix, but haven't been able to get IceCat to
>>> load extensions from a directory.
>>> The attached (outdated!) patch adds the "uBlock" XPI to
>>> <guix-profile>/lib/icecat/extensions. I've tried symlinking this to
>>> "standard" system folders (from IceCat source code), and disabled
>>> unsigned extensions, but no luck so far. Maybe someone more familiar
>>> with IceCat internals can try it?
>> The relevant code is in toolkit/xre/nsXREDirProvider.cpp.  It looks to
>> me like the functions to patch are GetSystemExtensionsDirectory and
>> AppendSysUserExtensionPath.
>> In GetSystemExtensionsDirectory, I guess the strings
>> "/usr/lib/mozilla/extensions" and "/usr/lib64/mozilla/extensions" should
>> both be changed to "/run/current-system/profile/lib/mozilla/extensions".
> Also, in GetFile, "/usr/share/mozilla/extensions" should be changed to
> "/run/current-system/profile/share/mozilla/extensions".
> Here's another file that needs patching:
>   xpcom/io/nsAppFileLocationProvider.cpp
> In nsAppFileLocationProvider::GetFile, "/usr/lib/mozilla/plugins" and
> "/usr/lib64/mozilla/plugins" should be changed to
> "/run/current-system/profile/lib/mozilla/plugins".  Note that the
> MOZ_PLUGIN_PATH environment variable is consulted here.

This sounds like the right approach, and I agree that it’d be nice if
Guix could provide extensions!


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