on:
  workflow_dispatch:

  schedule:
    - cron: '@hourly'

jobs:
  mirror:
    name: Pull from upstream
    runs-on: x86_64
    container:
      image: 'docker.io/node:20-bookworm'
    env:
      upstream: https://git.joeyh.name/git/git-annex.git 
      destination: ${{ github.server_url }}/${{ github.repository }}
      tags: '10.2024*'
      token: ${{ secrets.CODE_FORGEJO_TOKEN }}
      owner: ${{ vars.OWNER }}
    steps:
      - name: Comparing tags of upstream and destination
        run: |
          git ls-remote $upstream "refs/tags/$tags" | grep -v '\u007B' | sed 's|.*/||' > upstream_tags
          git ls-remote $destination "refs/tags/$tags" | grep -v '\u007B' | sed 's|.*/||' > destination_tags
          cat upstream_tags destination_tags | tr ' ' '\n' | sort | uniq -u | tr '\n '\t' > missing_tags
      - name: Fetching missing tags
        run: |
          git init --bare .
          git remote add origin $upstream
          while read tag; do
          git fetch origin tag $tag --no-tags
          done < missing_tags
      - name: Injecting packaging workflow
        run: |
          while read tag; do
          git checkout $tag
          git tag -d $tag
          git checkout ci -- ./forgejo
          git commit -m 'Inject custom workflow'
          git tag -a $tag -m $tag
          done < missing_tags
      - name: Pushing patched tags
        run: git push --force https://any:$token@$destination refs/tags/*:refs/tags/* --tags