Junio C Hamano <gitster@xxxxxxxxx> writes: >> +If 0, git will write version 1 Bloom filters when instructed to write. > > And we will only read 0 and refuse to read 1? Or we will read both > 0 and 1? Answering to myself (only this part). As setting the "version" variable to 0 is equivalent to setting "read" variable to "false", we will refuse to read anything.