[tor-bugs] #32498 [Applications/Tor Browser]: Consider updating MAR_CHANNEL_ID for nightly build (and maybe alpha too)

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#32498: Consider updating MAR_CHANNEL_ID for nightly build (and maybe alpha too)
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 Reporter:  boklm                                |          Owner:  tbb-
                                                 |  team
     Type:  task                                 |         Status:  new
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, boklm201911, tbb-update,    |  Actual Points:
  TorBrowserTeam201911                           |
Parent ID:  #18867                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by mcs):

 Using different MAR channel IDs would prevent the updater from accepting a
 mar file from a different channel (probably better from a security point
 of view). If I remember correctly, doing so would also prevent use of MAR
 tools such as `signmar` across releases. That would probably be OK, but
 might lead to some confusion for developers.

 If we do switch the MAR channel for in our alpha series we need to think
 about how to make the transition. I believe that such a transition will
 require a "watershed" update, but I have not spent a lot of time thinking
 about it.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32498#comment:1>
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