Extremely relevant discussion on stackoverflow from 2012 on how would git handle a SHA-1 collision, someone called Ruben changed the hash function to be just 4

Extremely relevant discussion on stackoverflow from 2012 on how would git handle a SHA-1 collision, someone called Ruben changed the hash function to be just 4 bits padded with zeroes and checked what git actually does on collisions: http://stackoverflow.com/a/34599081/308851 http://stackoverflow.com/a/34599081/308851