[tor-bugs] #18455 [Tor Browser]: modify Tor Browser packaging to avoid language prompt

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#18455: modify Tor Browser packaging to avoid language prompt
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     Reporter:  mcs          |      Owner:  tbb-team
         Type:  defect       |     Status:  new
     Priority:  Medium       |  Milestone:
    Component:  Tor Browser  |    Version:
     Severity:  Normal       |   Keywords:
Actual Points:               |  Parent ID:
       Points:               |    Sponsor:
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 We use a Tor Launcher with the language prompt feature included for
 hardened builds but must be careful not to included that feature in
 regular builds. I suspect this is causing some pain for Georg at least.

 Kathy and I tried to modify Tor Launcher to skip the language prompt if
 there is only one choice of language, but that turns out to be difficult
 to do because (1) the language prompt is the first dialog opened, (2) we
 need to keep a modal dialog open to prevent Firefox from starting all the
 way, and (3) the API to enumerate the installed language packs is
 asynchronous (so we cannot call it until after we have a modal dialog
 open).

 We thought of another, simpler solution: modify the gitian descriptors for
 the bundle step to add these two preferences to the extension-overrides.js
 file:
  intl.locale.matchOS = false
  extensions.torlauncher.prompt_for_locale = false

 If other people think this is a good idea I will create a patch.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/18455>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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