[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2230: 'tahoe --version[and-path]' should print versions even if a requirement check fails

[Tahoe-LAFS]

#2230: 'tahoe --version[and-path]' should print versions even if a requirement
check fails
-------------------------------------+---------------------------
 Reporter:  daira                    |          Owner:
     Type:  defect                   |         Status:  new
 Priority:  normal                   |      Milestone:  undecided
Component:  packaging                |        Version:  1.10.0
 Keywords:  packaging version error  |  Launchpad Bug:
-------------------------------------+---------------------------
 If the checks on dependencies done by `check_all_requirements` in
 [source:src/allmdyata/__init__py] fail, but we were trying to run `tahoe
 --version` or `tahoe --version-and-path`, then it would be useful to print
 the versions (and paths) anyway.

 Alternatively we could always print the versions and paths whenever the
 requirements check fails, regardless of what command we were trying to
 run.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2230>
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