git-flush

#!/bin/sh

# The job of git-flush is to recompactify your repository to be as small
# as possible, by dropping all reflogs, stashes, and other cruft that may
# be bloating your pack files.

git for-each-ref --format="%(refname)" refs/original/ | \
  xargs -n 1 git update-ref -d

git reflog expire --expire=0 --all

if [ "$1" = "-f" ]; then
    git stash clear
fi

git gc --prune=now