semantic-release-ci.yml

name: Semantic Release CI
on:
  push:
    branches:
      - main
    paths-ignore:
      - "**/*.md"
permissions:
  contents: write
concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}
  cancel-in-progress: true
jobs:
  release:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "20"
      - name: Install dependencies
        run: npm install semantic-release @semantic-release/exec @semantic-release/commit-analyzer @semantic-release/release-notes-generator @semantic-release/github
      - name: Run semantic-release and extract changelog
        id: release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Generate changelog with Markdown formatting by running semantic-release in dry-run mode
          npx semantic-release --dry-run | tee semantic_output.log
          # Capture the changelog markdown from semantic-release output for the latest version
          changelog=$(awk '/Release note for version/ {flag=1; next} flag && !/^#[^#]/' semantic_output.log)
          # Insert "v" in front of version numbers in `##` headers
          changelog=$(echo "$changelog" | sed -E 's/^## ([0-9]+\.[0-9]+\.[0-9]+)/## v\1/')
          # Trim leading spaces before each bullet point (lines starting with `* `)
          changelog=$(echo "$changelog" | sed -E 's/^[[:space:]]+\*/\*/')
          # Write the cleaned changelog to a file
          echo "$changelog" > changelog.md
          # Set the changelog as an output variable for use in the GitHub release step
          echo "changelog<<EOF" >> $GITHUB_ENV
          echo "$changelog" >> $GITHUB_ENV
          echo "EOF" >> $GITHUB_ENV
      - name: Push new tag
        if: ${{ steps.release.outputs.version }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          version="${{ steps.release.outputs.version }}"
          # Create and push the new tag
          git tag "$version"
          git push origin "$version"
      - name: Create GitHub Release with Changelog
        if: ${{ steps.release.outputs.version }}
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          version="${{ steps.release.outputs.version }}"
          tag_name="$version"

          # Read changelog from the markdown file to preserve formatting
          release_notes=$(<changelog.md)

          # Create GitHub release with formatted markdown changelog
          gh release create "$tag_name" \
            --title "$version" \
            --notes "$release_notes" \
            --target main \
            --draft