[tor-bugs] #21091 [Applications/Tor Browser]: Hide the "Check for Tor Browser Update..." menu entry when running under the sandbox.

[Tor Bug Tracker & Wiki]

#21091: Hide the "Check for Tor Browser Update..." menu entry when running under
the sandbox.
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     Reporter:  yawning                   |      Owner:  tbb-team
         Type:  enhancement               |     Status:  new
     Priority:  Medium                    |  Milestone:
    Component:  Applications/Tor Browser  |    Version:
     Severity:  Normal                    |   Keywords:
Actual Points:                            |  Parent ID:
       Points:                            |   Reviewer:
      Sponsor:                            |
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 Since I punted on full integration with torbutton in the `sandboxed-tor-
 browser` 0.0.3 release due to time constraints (and the relatively large
 patch that would be required), I opted for a simpler solution that will
 hopefully be acceptable for all `torbutton` branches.

 If the `TBB_SANDBOX` env var is `linux-v0`, then the "Check for Tor
 Browser Update..." menu entry should be hidden.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/21091>
Tor Bug Tracker & Wiki <https://trac.torproject.org/>
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