rasaoss-version-bumper.yml

# Bump Rasa OSS version and prepare a PR for it
name: Bump Rasa OSS version

on:
  schedule:
    # Run once a day at 08:00
    - cron: '0 8 * * *'
  workflow_dispatch:

jobs:
  bump_rasa_oss_version:
    runs-on: ubuntu-latest
    if: github.repository_owner == 'RasaHQ'

    steps:
      - name: Authenticate GitHub CLI
        run: |
          # https://cli.github.com/manual/gh_auth_login
          # read token from standard input 
          gh auth login --with-token <<< ${{ secrets.GITHUB_TOKEN }}

      # Get latest Rasa OSS release version, exclude an alpha or dev tags
      - name: Get the latest Rasa OSS version 🏷
        run: |
          LATEST_RASA_VERSION=$(gh release list --repo github.com/RasaHQ/rasa --limit 10 | awk '{print $1}' | sort -r -V | grep -E "^[0-9]+.[0-9]+.[0-9]+$" | head -n1)
          echo "Latest Rasa OSS version: $LATEST_RASA_VERSION"
          echo "LATEST_RASA_VERSION=$LATEST_RASA_VERSION" >> $GITHUB_ENV

      - name: Checkout repository 🕝
        uses: actions/checkout@v2

      - name: Is Rasa OSS version up to date❓
        run: |
          RASA_VERSION=$(sed -n 's/^rasa==//p' requirements.txt)

          echo "RASA_VERSION=$RASA_VERSION" >> $GITHUB_ENV
          echo "Current Rasa OSS version: $RASA_VERSION"

          if [[ $RASA_VERSION == $LATEST_RASA_VERSION ]]
          then
            echo "Current version is the the latest one. Nothing to update."
            echo "CREATE_PR=false" >> $GITHUB_ENV
          else
            echo "A newer version $LATEST_RASA_VERSION has found. Bumping it now."
            echo "CREATE_PR=true" >> $GITHUB_ENV
          fi

      - name: Set branch name
        if: env.CREATE_PR == 'true'
        run: |
          echo BRANCH_NAME="Bump-Rasa-OSS-to-${LATEST_RASA_VERSION}" >> $GITHUB_ENV

      - name: Check if duplicated PR exists 🔍
        if: env.CREATE_PR == 'true'
        run: |
          # Search all open PRs and
          # return the list of matching PRs
          gh pr list --state open --search "$BRANCH_NAME"
          PRS=$(gh pr list --state open --search "$BRANCH_NAME")

          # If $PRS is not empty, we know there is a related PR that bumping Rasa OSS.
          if [[ -n $PRS ]]; then
            echo "Found related pull request ${BRANCH_NAME}."
            echo "Skip the following steps."
            echo "CREATE_PR=false" >> $GITHUB_ENV
          fi

      - name: Create new branch 🐣
        if: env.CREATE_PR == 'true'
        run: |
          git config user.name github-actions
          git config user.email github-actions@github.com

          git remote update origin --prune
          git checkout -b $BRANCH_NAME

      - name: Commit and push the version bump
        if: env.CREATE_PR == 'true'
        run: |
          # Bump version
          sed -i "s/^rasa==.*/rasa==${LATEST_RASA_VERSION}/" requirements.txt
          # Stage modified file
          git add -u
          # Commit & Push
          git commit -m "Bump Rasa OSS to ${LATEST_RASA_VERSION}"
          git push -f origin $BRANCH_NAME

      - name: Open pull request ☄️
        if: env.CREATE_PR == 'true'
        env:
          # This label will trigger train and test workflow
          LABEL: 'tool:train-and-test'
        run: |
          # Fill pull request title and body with branch name and commits  
          gh pr create --fill \
            --label "$LABEL" \
            --reviewer rasa-aadlv,miraai,rasa-jmac,aerowithanl

      - name: Comment
        if: env.CREATE_PR == 'true'
        run: gh pr comment $BRANCH_NAME --body "$(< .github/VERSION_BUMPER_PR_COMMENT.md)"
      
      - name: Notify Slack of failure ⛔
        if: failure()
        env:
          SLACK_WEBHOOK: ${{ secrets.SLACK_INFRA_WEBHOOK }}
        uses: Ilshidur/action-slack@689ad44a9c9092315abd286d0e3a9a74d31ab78a
        with:
          args: "⛔️ Bumping Rasa OSS version failed! Please check out GitHub Actions: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}"