- `gcr_tag_datetime.sh` - tags a given GCR docker image with its creation date and UTC timestamp (when it was uploaded or created by [Google Cloud Build](https://cloud.google.com/cloud-build)) without pulling or pushing the docker image
- `gcr_tag_latest.sh` - tags a given GCR docker image:tag as latest without pulling or pushing the docker image
- `gcr_find_newest_image_tags.sh` - finds the tags for the given GCR docker image with the newest creation date (can use this to tag `latest`)
- `gcr_newest_image_tags.sh` - finds the tags for the given GCR docker image with the newest creation date (can use this to tag `latest`)
- `gcr_alternate_tags.sh` - lists all the tags for a given GCR docker image:tag (can supply image:latest to see what version / build hashref / date tag has been tagged as `latest`)
- `gcr_tag_newest_image_as_latest.sh` - finds and tags the newest build of a given GCR docker image as `latest` without pulling or pushing the docker image