Add type of change to files_dict of a commit by JonasScharpf · Pull Request #1943 · gitpython-developers/GitPython

This allows to not only get the total, inserted or deleted number of
lines being changed but also the type of change like
Added (A), Copied (C), Deleted (D), Modified (M), Renamed (R),
type changed (T), Unmerged (U), Unknown (X), or pairing Broken (B)