[tahoe-lafs-trac-stream] [Tahoe-LAFS] #2537: magic-folder: implement download retry

[Tahoe-LAFS]

#2537: magic-folder: implement download retry
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     Reporter:  dawuud                      |      Owner:  daira
         Type:  defect                      |     Status:  new
     Priority:  normal                      |  Milestone:  undecided
    Component:  code-frontend-magic-folder  |    Version:  1.10.1
   Resolution:                              |   Keywords:
Launchpad Bug:                              |
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Comment (by daira):

 Replying to [comment:9 dawuud]:
 >
 > here's a pull request available for a casual code review:
 > https://github.com/tahoe-lafs/tahoe-lafs/pull/238/files
 >
 > although it doesn't at the moment work or pass.

 There was a shallow bug (assuming that `d.addCallback` returns self), and
 also the branch included too much history from a previous magic-folder-
 stable branch, so I closed the PR. @dawuud will push a new 2537.download-
 retry.2 branch.

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Ticket URL: <https://tahoe-lafs.org/trac/tahoe-lafs/ticket/2537#comment:10>
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