build-container-installer/.github/workflows/clean_repo.yml

name: Clean Container Registry
on:
  #schedule:
  #  - cron: '39 21 * * *'

  workflow_dispatch:
  
jobs:
  delete_untagged:
    name: Delete Untagged Packages
    runs-on: ubuntu-latest
    steps:
      - name: Delete Untagged Packages
        uses: Chizkiyahu/delete-untagged-ghcr-action@v3
        with:
          token: ${{ secrets.PACKAGE_DELETER }}
          repository_owner: ${{ github.repository_owner }}
          repository: ${{ github.repository }}
          untagged_only: true
          owner_type: user
  delete_old_pr:
    name: Delete Old PR Packages
    runs-on: ubuntu-latest
    permissions:
      packages: read
    steps:
      - name: Get list of packages
        id: all_tags
        run: |
          curl -L \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            "https://api.github.com/user/packages/container/build-container-installer/versions" > all_packages.json
          curl -L \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ github.token }}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            https://api.github.com/repos/${{ github.repository }}/pulls | \
          jq -r '.[] | select(.state == "open") | .number' | \
          sed 's/^/pr-/g' > open_prs
          cat << EOF | python
          import json
          import re

          prs = open("open_prs", "r")
          open_prs = prs.readlines()
          open_prs = [x.strip() for x in open_prs]

          all_packages = open('all_packages.json')
          data = json.load(all_packages)

          delete_versions = open("delete_versions", "w")

          for i in data:
            delete = True
            for tag in i['metadata']['container']['tags']:
              if not re.match('pr-.*', tag):
                delete = False
                continue
              if tag in open_prs:
                delete = False
            if delete:
              print("delete", i['id'])
              delete_versions.write(str(i['id']))
              delete_versions.write("\n")
              print(i['metadata']['container']['tags'])
          EOF
          
          for id in $(cat delete_versions)
          do
            curl -L \
            -X DELETE \
            -H "Accept: application/vnd.github+json" \
            -H "Authorization: Bearer ${{ secrets.PACKAGE_DELETER }}" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            https://api.github.com/user/packages/container/${{ github.repository }}/versions/${id}
          done


  #delete_old_branches: