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More informative Obnam progress reporting

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From: Paul Waring <paul@xk7.net>
Date: Mon, 19 Jun 2017 15:36:05 +0100

   On 19/06/17 15:32, Lars Wirzenius wrote:
   > It struck me the other day that it would be nice if Obnam could give
   > more progress feedback reporting:
   > 
   > * position in current file: some files are very large and it taks a
   >    long time to check them completely
   > 
   > * how much duplicate data is NOT uploaded in this run
   > 
   > * how far in the backup we are, compared to previous generatation
   > 
   > * momentary upload speed, both raw and "effective" (chunk data only)
   > 
   > What do others think?
   
   This would definitely be useful, although the other 'progress' area that 
   I think could be improved is when attempting to mount for restoring. If 
   you have a lot of generations (>500 did it for me) then obnam sits there 
   with no progress indication and you have no idea whether it's working, 
   stuck in a loop, hung etc.
From: Lars Wirzenius <liw@liw.fi>
Date: Mon, 19 Jun 2017 17:32:39 +0300

   It struck me the other day that it would be nice if Obnam could give
   more progress feedback reporting:
   
   * position in current file: some files are very large and it taks a
     long time to check them completely
   
   * how much duplicate data is NOT uploaded in this run
   
   * how far in the backup we are, compared to previous generatation
   
   * momentary upload speed, both raw and "effective" (chunk data only)
   
   What do others think?
   
   The BackupProgress class needs to be redesigned to implement these,
   it is currently a mess.