git-prune-scripton commit Make "git-prune-script" take all refs into account. (4feb7a0)
   1#!/bin/sh
   2REFS=$(cat .git/refs/*/*)
   3[ "$REFS" ] || exit 1
   4git-fsck-cache --unreachable $REFS | grep unreachable | cut -d' ' -f3 | sed 's:^\(..\):.git/objects/\1/:' | xargs -r rm