release.yml

name: Release
permissions:
  contents: write

on:
  push:
    tags:
      - "v*" # Runs only when pushing version tags like v1.0.0, v2.3.4

jobs:
  release-notes:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v5
        with:
          fetch-depth: 0 # so changelog sees all commit history

      - name: Setup pnpm
        uses: pnpm/action-setup@v4

      - name: Setup Node.js
        uses: actions/setup-node@v5
        with:
          cache: "pnpm"

      - name: Install changelog deps
        run: pnpm add -Dw conventional-changelog-cli conventional-changelog-conventionalcommits

      - name: Generate release notes
        run: |
            # Check latest and previous tags
            LATEST_TAG=$(if [ "$(git tag | wc -l)" -ge 1 ]; then git describe --tags --abbrev=0; fi)
            PREV_TAG=$(if [ "$(git tag | wc -l)" -ge 2 ]; then git tag --sort=creatordate | tail -2 | head -1; fi)

            echo "Latest tag: $LATEST_TAG"
            echo "Previous tag: $PREV_TAG"

            if [ -z "$PREV_TAG" ]; then
              echo "First release — include all commits"
              npx conventional-changelog -p conventionalcommits -r 0 -o RELEASE_NOTES.md
            else
              echo "Generating changelog since previous tag $PREV_TAG"
              # Use -r 2 and output commits since PREV_TAG
              npx conventional-changelog -p conventionalcommits -r 2 -o RELEASE_NOTES.md
            fi

      - name: Publish GitHub Release
        uses: softprops/action-gh-release@v2
        with:
          body_path: RELEASE_NOTES.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}