bump_version.yml

name: Automated Version Management

on:
  pull_request:
    types: [opened, synchronize, reopened, labeled, unlabeled]
  push:
    branches:
      - main

jobs:
  preview-bump:
    if: github.event_name == 'pull_request'
    runs-on: ubuntu-latest
    name: "Preview version bump"
    steps:
      - name: Check out
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
      
      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Install dependencies
        run: pip install -r requirements.txt

      - name: Configure Git
        run: |
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"

      - name: Preview version bump
        id: preview
        run: |
          # Perform the actual version bump
          cz bump --yes --increment PATCH
          # Debug: Print the contents of version.py
          echo "Contents of version.py after bump:"
          cat version.py
          # Extract the new version from version.py
          NEW_VERSION=$(python -c "exec(open('version.py').read()); print(__version__)")
          echo "Extracted new version: $NEW_VERSION"
          # Set the new version as an environment variable
          echo "new_version=$NEW_VERSION" >> $GITHUB_ENV

      - name: Find existing comment
        id: find_comment
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.PAT }}
          script: |
            const { data: comments } = await github.rest.issues.listComments({
              owner: context.repo.owner,
              repo: context.repo.repo,
              issue_number: context.issue.number,
            });
            const comment = comments.find(comment => comment.user.login === 'github-actions[bot]' && comment.body.includes('When merged, this PR will bump the version to:'));
            return { id: comment ? comment.id : null };

      - name: Comment PR
        if: steps.find_comment.outputs.id == null
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.PAT }}
          script: |
            github.rest.issues.createComment({
              issue_number: context.issue.number,
              owner: context.repo.owner,
              repo: context.repo.repo,
              body: `When merged, this PR will bump the version to: ${process.env.new_version}`
            })

      - name: Update PR Comment
        if: steps.find_comment.outputs.id != null
        uses: actions/github-script@v6
        with:
          github-token: ${{ secrets.PAT }}
          script: |
            github.rest.issues.updateComment({
              owner: context.repo.owner,
              repo: context.repo.repo,
              comment_id: steps.find_comment.outputs.id,
              body: `When merged, this PR will bump the version to: ${process.env.new_version}`
            })

  bump-version:
    if: github.event_name == 'push' && github.ref == 'refs/heads/main'
    runs-on: ubuntu-latest
    name: "Bump version and create changelog"
    steps:
      - name: Check out
        uses: actions/checkout@v2
        with:
          fetch-depth: 0
          token: "${{ secrets.GITHUB_TOKEN }}"
      
      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: '3.x'

      - name: Install dependencies
        run: pip install -r requirements.txt

      - name: Configure Git
        run: |
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"

      - name: Bump version
        id: bump
        run: |
          # Perform the actual version bump
          cz bump --increment PATCH --yes
          # Debug: Print the contents of version.py
          echo "Contents of version.py after bump:"
          cat version.py
          # Extract the new version from version.py
          NEW_VERSION=$(python -c "exec(open('version.py').read()); print(__version__)")
          echo "Extracted new version: $NEW_VERSION"
          # Set the new version as an environment variable
          echo "new_version=$NEW_VERSION" >> $GITHUB_ENV

      - name: Push changes
        uses: ad-m/github-push-action@master
        with:
          github_token: ${{ secrets.GITHUB_TOKEN }}
          branch: ${{ github.ref }}
          tags: true

      - name: Print Version
        run: echo "Bumped to version ${{ env.new_version }}"