find large files from git blob store

git-ls-blob

#!/bin/bash
set -e
set -o pipefail
case "$1" in
  -s|--sum)
    git rev-list --objects --all \
      | git cat-file --batch-check='%(objecttype) %(objectsize) %(rest)' \
      | sed -n 's/^blob //p' \
      | awk '{x+=$1}END{print x}' \
      | $(command -v gnumfmt || echo numfmt) --field=1 --to=iec-i --suffix=B --round=nearest
    exit
    ;;
  -r)
    order="-rn"
    ;;
  *)
    order="-n"
    ;;
esac
git rev-list --objects --all \
| git cat-file --batch-check='%(objecttype) %(objectname) %(objectsize) %(rest)' \
| sed -n 's/^blob //p' \
| sort "$order" --key=2 \
| cut -c 1-12,41- \
| $(command -v gnumfmt || echo numfmt) --field=2 --to=iec-i --suffix=B --padding=7 --round=nearest