1#!/usr/bin/env bash
 2set -euo pipefail
 3
 4for repository in $(gcloud container images list --format='get(name)');
 5do
 6    echo ">> Cleaning ${repository}…"
 7    while true; do
 8	DIGEST=$(gcloud container images list-tags "${repository}" --filter='-tags:*' --format='get(digest)' --limit=1)
 9	if [ -z "${DIGEST}" ]; then
10	    break
11	fi
12	gcloud container images delete "${repository}@${DIGEST}" --force-delete-tags --quiet || break
13    done
14done