filesystems - Are there any userspace programs to interpret btrfs snapshot diffs? -


i looking backups , want speed process while staying file-based (as opposed filesystem-based). want use duplicity main backup component. idea use features of underlying filesystem narrow down files duplicity has scan determine differences last backup.

i know btrfs can make quick diffs between snapshots want use cannot seem find userspace tools handle diffs btrfs produces.

are there libraries interpret btrfs snapshot diffs?

obviously not going hack kernel nonexistand c skills, further away bare metal more comfortable am. python great example... or 1 have simple list of changed files in file system?

for reference: a more complete desciption of idea

the opensuse tool 'snapper' appears show diffs between btrfs snapshots: http://en.opensuse.org/portal:snapper


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