[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2331: don't display capabilities without user explicitly asking for it

[Tahoe-LAFS]

#2331: don't display capabilities without user explicitly asking for it
---------------------+---------------------------
 Reporter:  leif     |          Owner:
     Type:  defect   |         Status:  new
 Priority:  normal   |      Milestone:  undecided
Component:  unknown  |        Version:  1.10.0
 Keywords:           |  Launchpad Bug:
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 Displaying secrets on the screen is undesirable if you aren't sure your
 screen isn't being viewed by a hostile camera.

 There are several tahoe CLI commands that do this, all of which are
 commands that I'd like to be able to run without displaying capabilities:

  * list-aliases
  * put
  * backup -v

 Without -v, there is no indication of the backup command's progress. #1748
 is the ticket about adding a progress bar, but it would also be useful to
 be able to use -v to see what is going on without printing secrets to the
 screen.

 I suggest that all of these commands should get a new --show-caps option,
 and should not show capabilities when that option is not used.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2331>
Tahoe-LAFS <https://Tahoe-LAFS.org>
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