home/files/bin/repo-root

#!/bin/sh

set -ue
d="$PWD"
while true; do
	if [ "${d:-/}" = / ]; then
		echo "$PWD"
		exit 1
	elif [ -s "$d/.repo/manifest.xml" ]; then
		break
	else
		d="$(cd "$d/.." && pwd)"
	fi
done
echo "$d"