name: Get the latest Containerd release for main
on:
  schedule:
    - cron:  '00 8 * * 5'
  workflow_dispatch:

jobs:
  get-containerd-release:
    runs-on: ubuntu-latest
    steps:
      - name: Check out scripts
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.BOT_PR_TOKEN }}
          path: scripts
      - name: Figure out latest Containerd release version
        id: containerd-latest-release
        run: |
          versionCommitPair=( $(git ls-remote --tags https://github.com/containerd/containerd | grep 'refs/tags/v[0-9]*\.[0-9]*\.[0-9]*$' | sed -e 's#^\([0-9a-fA-F]*\)[[:space:]]*refs/tags/v\(.*\)$#\2 \1#g' | sort --reverse --unique --version-sort | head --lines 1) )

          echo "VERSION_NEW=${versionCommitPair[0]}" >>"${GITHUB_OUTPUT}"
          echo "COMMIT_HASH=${versionCommitPair[1]}" >>"${GITHUB_OUTPUT}"
      - name: Set up Flatcar SDK
        id: setup-flatcar-sdk
        env:
          WORK_SCRIPTS_DIR: "${{ github.workspace }}/scripts"
          CHANNEL: main
        run: scripts/.github/workflows/setup-flatcar-sdk.sh
      - name: Apply patch for main
        id: apply-patch-main
        env:
          GHA_SCRIPTS_DIR: "${{ github.workspace }}/scripts"
          WORK_SCRIPTS_DIR: "${{ github.workspace }}/scripts"
          VERSION_NEW: ${{ steps.containerd-latest-release.outputs.VERSION_NEW }}
          COMMIT_HASH: ${{ steps.containerd-latest-release.outputs.COMMIT_HASH }}
          PACKAGES_CONTAINER: ${{ steps.setup-flatcar-sdk.outputs.PACKAGES_CONTAINER }}
          SDK_NAME: ${{ steps.setup-flatcar-sdk.outputs.SDK_NAME }}
          TARGET_BRANCH: main
        run: scripts/.github/workflows/containerd-apply-patch.sh
      - name: Create pull request for main
        uses: peter-evans/create-pull-request@v5
        if: steps.apply-patch-main.outputs.UPDATE_NEEDED == 1
        with:
          token: ${{ secrets.BOT_PR_TOKEN }}
          path: scripts
          branch: "containerd-${{ steps.containerd-latest-release.outputs.VERSION_NEW }}-main"
          base: main
          title: Upgrade Containerd in main from ${{ steps.apply-patch-main.outputs.VERSION_OLD }} to ${{ steps.containerd-latest-release.outputs.VERSION_NEW }}
          body: Subject says it all.
          labels: main