Deletes all images of a Google Container Registry Repo

deleteGcrImages.sh

#!/usr/bin/env bash

set -o nounset -o pipefail -o errexit

function main() {
  ROOT_REPO="${1}"
  local count=0
  for REPO in $(gcloud container images list --repository=${ROOT_REPO} --limit=999999  | tail -n +2); do
      for IMAGE in $(gcloud container images list --repository=${REPO} --limit=999999  | tail -n +2); do
        for DIGEST in $(gcloud container images list-tags "${IMAGE}" --limit=999999 --format='get(digest)'); do
            gcloud container images delete -q --force-delete-tags "${IMAGE}@${DIGEST}"
            let count=count+1
        done
      done
  done
  echo "Deleted ${count} images in ${REPO}." >&2
}

main "$@"