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Subject: Re: Thunderbird and UPDATING 20170302
To: gecko@FreeBSD.org, freebsd-ports@FreeBSD.org, cmt@FreeBSD.org,
 Andrea Venturoli <ml@netfence.it>
References: <bc434835-e1bf-8e77-0fbf-357cc627e932@netfence.it>
 <89c5cb74-5884-8f58-2f87-5a52f7d99200@FreeBSD.org>
From: Andriy Gapon <avg@FreeBSD.org>
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Date: Tue, 7 Mar 2017 00:57:38 +0200
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FWIW, the following "hack" allowed me to keep my current profile and re-enabled
lightning in it.

First, I removed the addon before upgrading thunderbird.  Not sure if this was a
requirement.

After upgrading thunderbird and mucking with it for some time I did the following.
Shut down thunderbird.
Backed up ~/.thunderbird/<profile>/prefs.js file.
Opened the file in editor.
Found lines with extensions.lastAppVersion and extensions.lastPlatformVersion,
and "downgraded" thunderbird version in them (changed 45.7.1 to 45.7.0).
Removed line with
extensions.installedDistroAddon.{e2fda1a4-762b-4020-b5ad-a41df1933103} in it.
Restarted thunderbird.  And lightning was back.

Not sure if the above steps are sufficient.  Perhaps something in what I
described as 'mucking' was required too.

-- 
Andriy Gapon