git's smallest unit is a file - if your repostiory has one 3GB file, that's what is going to be hashed. but bup[0] does so within a git repository to make incr

git's smallest unit is a file - if your repostiory has one 3GB file, that's what is going to be hashed. but bup[0] does so within a git repository to make incremental backup more efficient. [0] https://github.com/bup/bup https://github.com/bup/bup