#!/bin/sh
# Scrub a Git repository
for arg in "${@:-.}" ; do (
    case $arg in
        *.git)
            cd -- "$arg" || exit
            ;;
        *)
            cd -- "$arg"/.git || exit
            ;;
    esac
    git fsck || exit
    git reflog expire --expire=now || exit
    git gc --prune=now --aggressive || exit
) done