for G in $(git log  --pretty=format:%h --reverse | head -500); do

for G in $(git log  --pretty=format:%h --reverse); do

# ^^^ XXX, temp disabled
# zero "$(diff -qr repo/src repo2/src | grep -cv "Only in")"

cd ..
zero "$(diff -qr vimX-data/src vimX-data2/src | grep -cv "Only in")"