Identifying large files in a git repo

Identifying large files in a git repo.sh

git rev-list --objects --all |
  git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' |
  sed -n 's/^blob //p' |
  awk '$2 >= 2^20' |
  sort --numeric-sort --key=2 |
  cut -c 1-12,41- |
  $(command -v gnumfmt || echo numfmt) --field=2 --to=iec-i --suffix=B --padding=7 --round=nearest


git rev-list HEAD | nl | xargs -n 2 -P 8 sh -c 'git ls-tree -rl "$1" | perl -p -e "\$_ =~ s/[^ ]*+ [^ ]*+ ([^ ]*+) ++([^\t]*+)\t.*+/\1 \2/" | sort > logfile-$0' ; sort -m -u logfile-* | awk '{ sum += $2 } END { print sum }'