release.yml

name: Release Workflow

on:
  workflow_dispatch:
    inputs:
      version:
        description: 'Version to release'
        required: true
  pull_request:
    branches:
      - main
      - '[0-9]+.[0-9]+.x'
    types: [closed]

env:
  COMMIT_EMAIL: sara-tagger@users.noreply.github.com
  DEFAULT_PYTHON_VERSION: "3.10"
  GITHUB_TOKEN: ${{ secrets.RASASDK_GITHUB_TOKEN }}
  INPUT_VERSION: ${{ github.event.inputs.version }}

jobs:
  prepare-the-release:
    name: Prepare the Release
    if: ${{ github.event_name == 'workflow_dispatch' }}
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout repository
        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
        with:
          fetch-depth: 0
      
      - name: Minor Release Check
        id: minor_release
        run: |
          version="$INPUT_VERSION"
          
          # Check if version is in format number.number.number
          if ! [[ $version =~ ^[0-9]+\.[0-9]+\.[0-9]+$ ]]; then
            echo "Invalid version format. It should be in format 'number.number.number'."
            exit 1
          fi

          # Extract the third number
          IFS='.' read -r -a version_parts <<< "$version"
          third_number="${version_parts[2]}"

          # Check if it's a minor release
          if [ "$third_number" -eq 0 ]; then
            echo "Minor release detected."
            echo "is_minor=true" >> $GITHUB_ENV
          else
            echo "Not a minor release. Skipping branch creation."
            echo "is_minor=false" >> $GITHUB_ENV
          fi
    
      - name: Create and Push New Release Branch
        if: env.is_minor == 'true'
        run: |
          version="$INPUT_VERSION"
          IFS='.' read -r -a version_parts <<< "$version"
          release_branch="${version_parts[0]}.${version_parts[1]}.x"

          git fetch origin
          git checkout origin/main
          git checkout -b $release_branch
          git push origin $release_branch
        
      - name: Check-out Release Branch
        run: |
          version="$INPUT_VERSION"
          IFS='.' read -r -a version_parts <<< "$version"
          release_branch="${version_parts[0]}.${version_parts[1]}.x"
          echo "base_branch=${version_parts[0]}.${version_parts[1]}.x" >> $GITHUB_ENV
          echo $base_branch
          
          git checkout $release_branch
          git branch

      - name: Setup Python Environment
        uses: ./.github/actions/setup-python-env
        with:
            PYTHON_VERSION: ${{ env.DEFAULT_PYTHON_VERSION }}

      - name: Prepare the release
        run:  |
          git config user.name "rasabot"
          git config user.email "rasabot@rasa.com"
          poetry run python scripts/release.py --next_version $INPUT_VERSION

      - name: Create pull request
        uses: devops-infra/action-pull-request@e66e2ba93519dc63b9884a26e620e2fd0cffab2c # v0.5.5
        with:
          github_token: ${{ env.GITHUB_TOKEN }}
          source_branch: prepare-release-${{ env.INPUT_VERSION }}
          target_branch: ${{ env.base_branch }}
          body: "**Automated pull request for Rasa SDK release.**"
          title: Release ${{ github.event.inputs.version }}

  if_merged_tag_release:
    name: Tag Release Version
    if: startsWith(github.head_ref, 'prepare-release-') && github.event.pull_request.merged == true
    runs-on: ubuntu-22.04
    steps:
      - name: Checkout git repository 🕝
        uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
        with:
          token: ${{ secrets.RELEASE_TAGGER_PAT }}

      - name: Set up Python ${{ env.DEFAULT_PYTHON_VERSION }} 🐍
        uses: actions/setup-python@0a5c61591373683505ea898e09a3ea4f39ef2b9c # v5.0.0
        with:
          python-version: ${{ env.DEFAULT_PYTHON_VERSION }}

      - name: Read Poetry Version 🔢
        run: |
          echo "POETRY_VERSION=$(scripts/poetry-version.sh)" >> $GITHUB_ENV
        shell: bash

      - name: Install poetry 🦄
        uses: Gr1N/setup-poetry@15821dc8a61bc630db542ae4baf6a7c19a994844 # v8
        with:
          poetry-version: ${{ env.POETRY_VERSION }}

      - name: Load Poetry Cached Libraries ⬇
        id: cache-poetry
        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2 # v4.0.0
        with:
          path: .venv
          key: ${{ runner.os }}-poetry-${{ env.POETRY_VERSION }}-${{ env.DEFAULT_PYTHON_VERSION }}-${{ hashFiles('**/poetry.lock') }}-${{ secrets.POETRY_CACHE_VERSION }}
          restore-keys: ${{ runner.os }}-poetry-${{ env.DEFAULT_PYTHON_VERSION }}

      - name: Clear Poetry cache
        if: steps.cache-poetry.outputs.cache-hit == 'true' && contains(github.event.pull_request.labels.*.name, 'tools:clear-poetry-cache-unit-tests')
        run: rm -r .venv

      - name: Create virtual environment
        if: steps.cache-poetry.outputs.cache-hit != 'true' || contains(github.event.pull_request.labels.*.name, 'tools:clear-poetry-cache-unit-tests')
        run: python -m venv create .venv

      - name: Set up virtual environment
        run: poetry config virtualenvs.in-project true

      - name: Install Dependencies 📦
        # Poetry intermittently fails to install dependency if it is not PEP 517 compliant
        # This is a workaround for that issue
        run: |
          sudo apt-get -y install libpq-dev
          make install

      - name: Configure git
        run: |
          git config --global user.email ${{ env.COMMIT_EMAIL }}
          git config --global user.name "Github Actions"

      - name: Tag Release
        run: make tag-release