Various utilities making use of Btrfs's capabilities.
Currently contains a more complete reimplementation of btrfs find-new.
Install CFFI:
pip install cffi
Get btrfs-progs (we need the headers at a known location):
git submodule update --init
sudo ./btrfs-find-new PATH [GENERATION]
Where PATH is a mounted btrfs volume or subvolume, and GENERATION is the minimum generation for entries to be considered new.