Thank you for the info! I will leave that code alone :)

Nick

On Wed, Nov 1, 2017 at 2:22 AM, <mka...@mozilla.com> wrote:

> On Tuesday, October 31, 2017 at 12:10:21 AM UTC-5, Nicholas Nethercote
> wrote:
> > Hi,
> >
> > I was just looking at the extensions/pref/autoconfig/ directory and
> trying
> > to understand what it does.
> >
> > As far as I can tell, the code is there to allow custom deployments with
> > particular prefs set, as described at
> > https://developer.mozilla.org/en-US/Firefox/Enterprise_
> deployment#Configuration
> >
> > It's initialized by modules/libpref/Preferences.cpp if a
> > "general.config.filename" pref is found:
> > http://searchfox.org/mozilla-central/rev/1ebd2eff44617df3b82eea7d2f3ca1
> b60cc591a0/modules/libpref/Preferences.cpp#3907-3920
> >
> > There is also some MozHarness code relating to it here:
> > http://searchfox.org/mozilla-central/source/testing/
> mozharness/mozharness/mozilla/firefox/autoconfig.py
> >
> > Just to check: is this still supported functionality?
> >
> > Thanks.
> >
> > Nick
>
> Yes, this is very much supported functionality. It is our primary means of
> enterprise customization right now.
>
> The reason there are very few tests is because when it was first
> developed, it wasn't possible to write tests that involved putting down
> files before startup. There are some tests now:
>
> http://searchfox.org/mozilla-central/source/extensions/
> pref/autoconfig/test/unit
>
> Mike Kaply
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>
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