release-10_rc-automation.yml

name: Release - RC automation
on:
  # TODO: Activate it and delete old branches patterns, when the release process from stable is setteled
  #push:
    # branches:
    #   # Catches release-polkadot-v1.2.3, release-v1.2.3-rc1, etc
    #   - release-v[0-9]+.[0-9]+.[0-9]+*
    #   - release-cumulus-v[0-9]+*
    #   - release-polkadot-v[0-9]+*
    #   - stable

  workflow_dispatch:
    inputs:
      version:
        description: Current release/rc version in format vX.X.X

jobs:
  tag_rc:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        channel:
          - name: "RelEng: Polkadot Release Coordination"
            room: '!cqAmzdIcbOFwrdrubV:parity.io'
    environment: release

    steps:
      - name: Checkout sources
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4.1.1
        with:
          fetch-depth: 0

      - name: Compute next rc tag
        # if: ${{ steps.get_rel_product.outputs.product == 'polkadot' }}
        id: compute_tag
        shell: bash
        run: |
          . ./.github/scripts/common/lib.sh

          # Get last rc tag if exists, else set it to {version}-rc1
          if [[ -z "${{ inputs.version }}" ]]; then
            version=v$(get_polkadot_node_version_from_code)
          else
            version=$(filter_version_from_input ${{ inputs.version }})
          fi
          echo "$version"
          echo "version=$version" >> $GITHUB_OUTPUT

          last_rc=$(get_latest_rc_tag $version polkadot)

          if [ -n "$last_rc" ]; then
            suffix=$(increment_rc_tag $last_rc)
            echo "new_tag=$version-rc$suffix" >> $GITHUB_OUTPUT
            echo "first_rc=false" >> $GITHUB_OUTPUT
          else
            echo "new_tag=$version-rc1" >> $GITHUB_OUTPUT
            echo "first_rc=true" >> $GITHUB_OUTPUT
          fi

      - name: Apply new tag
        uses: tvdias/github-tagger@ed7350546e3e503b5e942dffd65bc8751a95e49d # v0.0.2
        with:
          # We can't use the normal GITHUB_TOKEN for the following reason:
          # https://docs.github.com/en/actions/reference/events-that-trigger-workflows#triggering-new-workflows-using-a-personal-access-token
          # RELEASE_BRANCH_TOKEN requires public_repo OAuth scope
          repo-token: "${{ secrets.RELEASE_BRANCH_TOKEN }}"
          tag: ${{ steps.compute_tag.outputs.new_tag }}

      - name: Send Matrix message to ${{ matrix.channel.name }}
        uses: s3krit/matrix-message-action@70ad3fb812ee0e45ff8999d6af11cafad11a6ecf # v0.0.3
        # if: steps.create-issue.outputs.url != ''
        with:
          room_id: ${{ matrix.channel.room }}
          access_token: ${{ secrets.RELEASENOTES_MATRIX_V2_ACCESS_TOKEN }}
          server: m.parity.io
          message: |
            Release process for polkadot ${{ steps.compute_tag.outputs.new_tag }} has been started.<br/>