sync-new-releases.yaml

name: Sync New Releases

on:
  schedule:
    - cron: '0 0 * * *'
  workflow_dispatch:

jobs:
  sync-new-releases:
    runs-on: ubuntu-latest
    steps:
      - name: Compare Releases
        id: compare_releases
        uses: actions/github-script@v7
        with:
          script: |
            const upstream = await github.rest.repos.getLatestRelease({
              owner: 'mattermost',
              repo: 'mattermost'
            });
            core.info(`Upstream release: ${upstream.data.tag_name}`);
            const fork = await github.rest.repos.getLatestRelease({
              owner: context.repo.owner,
              repo: context.repo.repo
            });
            core.info(`Fork release: ${fork.data.tag_name}`);

            if (upstream.data.tag_name !== fork.data.tag_name) {
              core.setOutput('new_tag', upstream.data.tag_name);
            }

      - name: Checkout
        uses: actions/checkout@v4
        if: steps.compare_releases.outputs.new_tag
        with:
          token: ${{ secrets.PAT }}
          fetch-depth: 0

      - name: Sync Branch & Tag
        if: steps.compare_releases.outputs.new_tag
        run: |
          tag="${{ steps.compare_releases.outputs.new_tag }}"
          version="${tag:1}"
          major_minor="${version%.*}"
          releaseBranch="release-$major_minor"

          git remote add mattermost https://github.com/mattermost/mattermost.git
          git fetch mattermost ${releaseBranch}
          git fetch mattermost tag ${tag}

          git checkout -b ${releaseBranch} --track mattermost/${releaseBranch}
          git reset --hard ${tag}

          git config user.name "github-actions[bot]"
          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"

          git cherry-pick da59eee80f94ef2ba9d87375abebea88261caf33

          git tag ${tag} --force

          git push origin ${releaseBranch} --force
          git push origin ${tag} --force