#!/bin/sh

DEPTH=${1:-4}

set -eu
ls_r() {
	local count="$1" base="$2"
	local x= d=
	shift 2

	count=$(($count - 1))
	[ $count -gt 0 ] || return

	[ ! -e "$base/.git" ] || echo "${base#./}"

	for d in "$base"/*; do
		if [ -d "$d" ]; then
			ls_r $count "$d" &
		fi
	done
	wait
}

ls_r "$DEPTH" .