[tor-bugs] #32895 [Applications/Tor Browser]: Improve marsigning_check.sh script to deal better with non-reproducible, signed macOS mar files

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#32895: Improve marsigning_check.sh script to deal better with non-reproducible,
signed macOS mar files
-------------------------------------------------+-------------------------
 Reporter:  gk                                   |          Owner:  gk
     Type:  defect                               |         Status:
                                                 |  needs_review
 Priority:  Medium                               |      Milestone:
Component:  Applications/Tor Browser             |        Version:
 Severity:  Normal                               |     Resolution:
 Keywords:  tbb-sign, tbb-maint,                 |  Actual Points:
  GeorgKoppen202005, TorBrowserTeam202005R       |
Parent ID:                                       |         Points:
 Reviewer:  sysrqb                               |        Sponsor:
-------------------------------------------------+-------------------------
Changes (by gk):

 * cc: tbb-team (added)
 * keywords:  tbb-sign, tbb-maint, GeorgKoppen202005 => tbb-sign, tbb-maint,
     GeorgKoppen202005, TorBrowserTeam202005R
 * status:  assigned => needs_review
 * reviewer:   => sysrqb


Comment:

 `bug_32895` () has a patch for review. I fixed all the issues `shellcheck`
 found, too, while I was at it.

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Ticket URL: <https://trac.torproject.org/projects/tor/ticket/32895#comment:3>
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