release_pr.yml

name: release_pr

on:
  push:
    branches:
      - master

jobs:
  release-pr:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4
      - name: Unshallow
        run: git fetch --prune --unshallow
      
      # git-cliff generates CHANGELOG.md
      - uses: actions/setup-python@v5
        with:
          python-version: '3.10'
      - run: pip install git-cliff typos
      - name: Check new changlog entry for version bump type
        id: type
        run: |
          changelog=$(git cliff --unreleased)
          case $changelog in
              *"BREAKING CHANGES:"* )
                  echo "MAJOR"
                  echo "bump="MAJOR: version change"" >> $GITHUB_OUTPUT
                  ;;
              *"IMPROVEMENTS:"* )
                  echo "MINOR"
                  echo "bump="MINOR: version change"" >> $GITHUB_OUTPUT
                  ;;
              *"DEPRECATIONS:"* )
                  echo "MINOR"
                  echo "bump="MINOR: version change"" >> $GITHUB_OUTPUT
                  ;;
              * )
                  echo "PATCH"
                  echo "bump="PATCH: version change"" >> $GITHUB_OUTPUT
                  ;;
          esac
      # The --with-commit inserts a commit message to git-cliff without it being in the history.
      # It is used here to dynamically add version bump commands.
      - name: Get next version
        id: vars
        run: echo "version=$(git cliff --bumped-version --with-commit "${{ steps.type.outputs.bump }}")" >> $GITHUB_OUTPUT
      - name: Generate changelog output
        run: git cliff --bump --unreleased --with-commit "${{ steps.type.outputs.bump }}"
      - name: Prepend new changelog entry
        run: git cliff --bump --unreleased -p CHANGELOG.md --with-commit "${{ steps.type.outputs.bump }}"

      # Generate annotation_unsupported.go
      - uses: actions/setup-go@v5
        with:
          go-version-file: 'go.mod'
      - name: Generate annotation unsupported provider code
        run: go generate
        env:
          GEN_ANNOTATION_UNSUPPORTED: '1'

      # Commit changes to release_pr branch
      - name: Set git config
        run: git config user.email "dcn-ecosystem@cisco.com" && git config user.name "dcn-ecosystem"
      - name: Commit
        run: git add -u && git status && git commit -m "[ignore] Update Changelog and annotation_unsupported.go for new release (${{ steps.vars.outputs.version }})"
      - name: Branch & Push
        run: git checkout -b release_pr && git push --set-upstream origin release_pr --force && git clean -f -d

      # Create or update release PR
      - run: gh pr create --base master --head release_pr --title "Pre-Release PR (${{ steps.vars.outputs.version }})" --body ""
        id: pr
        continue-on-error: true
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      - run: gh pr edit release_pr --title "Pre-Release PR (${{ steps.vars.outputs.version }})"
        if: steps.pr.outcome == 'failure'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}