get a list package versions in GitHub Package Repository

registry_ls.sh

#!/bin/bash
set -eo pipefail

TOKEN=${GITHUB_TOKEN:?environment variable is empty or unset}

[ -n "$1" ] && GITHUB_REPOSITORY=$1

GITHUB_REPOSITORY=${GITHUB_REPOSITORY:? please provide a name of a repository}

OWNER=$(echo $GITHUB_REPOSITORY | cut -d/ -f1)
REPO=$(echo $GITHUB_REPOSITORY | cut -d/ -f2-)

jq -cn '
  {
    query: $query,
    variables: {
      owner: $owner,
      repo: $repo
    }
  }' \
  --arg query '
  query ($owner: String!, $repo: String!, ) {
    repositoryOwner(login: $owner) {
      repository(name: $repo) {
        registryPackagesForQuery(packageType: DOCKER, last:10) {
          nodes {
            versions(last: 100) {
              nodes {
                version
              }
            }
          }
        }
      }
    }
   }' \
  --arg owner "$OWNER" \
  --arg repo "$REPO" |
  curl -s -H "Authorization: bearer $TOKEN" -X POST \
    -d @- https://api.github.com/graphql |
  jq -r '.data.repositoryOwner.repository.registryPackagesForQuery.nodes|.[]|.versions.nodes|.[]|.version'