[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2329: cp -r stops with an exception

[Tahoe-LAFS]

#2329: cp -r stops with an exception
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     Reporter:  zooko    |      Owner:  warner
         Type:  defect   |     Status:  new
     Priority:  major    |  Milestone:  1.10.1
    Component:  code-    |    Version:  1.10.0
  frontend-cli           |   Keywords:  regression tahoe-cp release-blocker
   Resolution:           |
Launchpad Bug:           |
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Comment (by warner):

 Some notes from our review discussion, which didn't suggest changes to the
 current behavior, but which should be recorded for future analysis:

 * `cp SOURCE1 SOURCE2 missing` is not so clear-cut. Current behavior is to
 mkdir, but maybe it should throw an error instead.
 * `cp SOURCE1 SOURCE2 missing/` is obviously referring to a directory, so
 mkdir is more correct. (current behavior is to mkdir). (`/bin/cp` emits an
 error).
 * `cp -r SOURCE1 SOURCEDIR2 missing` is not clear-cut.

 Cleanups to do:
 * add a test that uses a source directory which contains multiple files.
 the current tests use multiple source directories (with one file each)
 * find a way to reduce the with/without-trailing-slash redundancy in the
 test table

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2329#comment:53>
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