git-annex/doc/design/assistant/deltas.mdwn
Joey Hess 341269e035 git-annex (4.20130815) unstable; urgency=low
* assistant, watcher: .gitignore files and other git ignores are now
    honored, when git 1.8.4 or newer is installed.
    (Thanks, Adam Spiers, for getting the necessary support into git for this.)
  * importfeed: Ignores transient problems with feeds. Only exits nonzero
    when a feed has repeatedly had a problems for at least 1 day.
  * importfeed: Fix handling of dots in extensions.
  * Windows: Added support for encrypted special remotes.
  * Windows: Fixed permissions problem that prevented removing files
    from directory special remote. Directory special remotes now fully usable.

# imported from the archive
2013-08-15 04:14:33 -04:00

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Markdown

Speed up syncing of modified versions of existing files.
One simple way is to find the key of the old version of a file that's
being transferred, so it can be used as the basis for rsync, or any
other similar transfer protocol.
For remotes that don't use rsync, a poor man's version could be had by
chunking each object into multiple parts. Only modified parts need be
transferred. Sort of sub-keys to the main key being stored.