[tbb-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:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-rbm, tbb-update,                 |  Actual Points:
  TorBrowserTeam201911R                          |
Parent ID:  #18867                               |         Points:
 Reviewer:                                       |        Sponsor:
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Comment (by boklm):

 Replying to [comment:5 boklm]:
 > Replying to [comment:4 mcs]:
 > > The patch looks good to brade and me. Our only question is: Have you
 confirmed that configuring a comma-separated list for
 `ACCEPTED_MAR_CHANNEL_IDS` works correctly? It looks like it is supported,
 but it would be very bad to upgrade people to an alpha that cannot handle
 any future updates ;)
 >
 > I have not confirmed that it works, but I saw an example of comma-
 separated list in
 `testing/mozharness/configs/merge_day/central_to_beta.py`.
 >
 > I can try tomorrow changing an `update-settings.ini` in a previous alpha
 and see if the update still works.

 So I tried updating 9.5a1 to 9.5a2, after changing `update-settings.ini`
 to set `ACCEPTED_MAR_CHANNEL_IDS=torbrowser-torproject-alpha`, and as
 expected the updated failed.

 When setting `ACCEPTED_MAR_CHANNEL_IDS=torbrowser-torproject-alpha
 ,torbrowser-torproject-release` in `update-settings.ini` the update
 worked.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32498#comment:6>
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