chroot-installation: properly cleanup old directories

#

if [ -d /srv/workspace/chroots/ ] ; then

	echo "$(date -u) - Deleting chroots build directories, older than 7 days."

	OLDSTUFF=$(find /srv/workspace/chroots/ -maxdepth 2 -regex '.*/[0-9]+' -type d -mtime +6 -exec ls -lad {} \; || true)

	OLDSTUFF=$(find /srv/workspace/chroots/ -maxdepth 2 -name 'chroot-installation*' -type d -mtime +6 -exec ls -lad {} \; || true)

	if [ ! -z "$OLDSTUFF" ] ; then

		echo

		echo "Old chroot-installation directories found in /srv/workspace/chroots/"

		echo -n "$OLDSTUFF"

		( find /srv/workspace/chroots/ -maxdepth 2 -regex '.*/[0-9]+' -type d -mtime +6 -exec sudo rm -rf --one-file-system {} \; ) || true

		( find /srv/workspace/chroots/ -maxdepth 2 -name 'chroot-installation*' -type d -mtime +6 -exec sudo rm -rf --one-file-system {} \; ) || true

		echo

		DIRTY=true

	fi