[tbb-bugs] #20210 [Applications/Tor Browser]: Update from 6.5a2 to 6.5a3 on OSX breaks Tor Browser

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#20210: Update from 6.5a2 to 6.5a3 on OSX breaks Tor Browser
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 Reporter:  mrphs                     |          Owner:  tbb-team
     Type:  defect                    |         Status:  new
 Priority:  Very High                 |      Milestone:
Component:  Applications/Tor Browser  |        Version:
 Severity:  Major                     |     Resolution:
 Keywords:                            |  Actual Points:
Parent ID:                            |         Points:
 Reviewer:                            |        Sponsor:
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Comment (by mcs):

 I was able to successfully update and open an older en-US 6.5a2
 installation to 6.5a3 on one OSX 10.11.6 system.

 On another system, I tried to update a newly installed es-US 6.5a2 browser
 but it did not go well. The first thing I noticed is that the incremental
 MAR failed to apply. I will have to investigate more tomorrow, but last-
 update.log contains:
 {{{
 EXECUTE PATCH Contents/MacOS/updater.app/Contents/MacOS/updater
 LoadSourceFile: destination file size 106848 does not match expected size
 97000
 LoadSourceFile failed
 ### execution failed
 }}}

 The complete MAR was applied successfully, but then the app will not open.
 It looks like the mode is wrong on some files, e.g.,
 TorBrowser.app/Contents/MacOS/firefox has mode 644 instead of 755. I am
 out of time for today, but maybe (some of?) the MAR files are wrong.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/20210#comment:4>
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