Edgar et al,
--progress is definitely broken with file backup and asymmetric encryption on bzr head on my machine. Here's a log:
enolan at enolan-desktop in ~/mystuff/code/duplicity
$ ./bin/duplicity --progress --encrypt-key=A8BBA610 --sign-key=A8BBA610 ~/mystuff/ file:///home/enolan/junk/backuptest
Synchronizing remote metadata to local cache...
Deleting local /home/enolan/.cache/duplicity/1a3711ce1fcc213849f05d15d3719b31/duplicity-full-signatures.20140215T140100Z.sigtar.gz (not authoritative at backend).
Deleting local /home/enolan/.cache/duplicity/1a3711ce1fcc213849f05d15d3719b31/duplicity-full.20140215T140100Z.manifest (not authoritative at backend).
Last full backup date: none
GnuPG passphrase:
GnuPG passphrase for signing key:
No signatures found, switching to full backup.
0.0KB 00:00:03 [0.0KB/s] [> ] 0% ETA 3sec
0.0KB 00:00:06 [0.0KB/s] [> ] 0% ETA 6sec
0.0KB 00:00:09 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:12 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:15 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:18 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:21 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:24 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:27 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:30 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:33 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:36 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:39 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:42 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:45 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:48 [0.0B/s] [> ] 0% ETA Stalled!
0.0KB 00:00:51 [0.0KB/s] [========================================>] 100% ETA 0sec
--------------[ Backup Statistics ]--------------
StartTime 1392473040.30 (Sat Feb 15 06:04:00 2014)
EndTime 1392473088.99 (Sat Feb 15 06:04:48 2014)
ElapsedTime 48.69 (48.69 seconds)
SourceFiles 15196
SourceFileSize 1051870934 (1003 MB)
NewFiles 15196
NewFileSize 1051870934 (1003 MB)
DeletedFiles 0
ChangedFiles 0
ChangedFileSize 0 (0 bytes)
ChangedDeltaSize 0 (0 bytes)
DeltaEntries 15196
RawDeltaSize 1051256470 (1003 MB)
TotalDestinationSizeChange 522858967 (499 MB)
Errors 0
-------------------------------------------------