release-preview.yml

name: Preview release
on:
  pull_request:
    branches:
      - main

jobs:
  release:
    name: Preview release
    runs-on: ubuntu-latest
    outputs:
      new-release-version: ${{ steps.dry-run.outputs.new-release-version }}
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: "lts/*"
      - name: Install dependencies
        run: yarn install
      - name: Preview release
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        id: dry-run
        run: |
          OUTPUT=$(unset GITHUB_ACTIONS && npx semantic-release --dry-run --no-ci --branches "$GITHUB_HEAD_REF" --repository-url "${{ github.event.pull_request.head.repo.git_url }}")
          VERSION=$(echo "$OUTPUT" | grep -o "The next release version is [0-9]*\.[0-9]*\.[0-9]*" | awk '{print $6}')
          echo "VERSION=$VERSION" >> "$GITHUB_OUTPUT"
      - name: Next version
        run: echo "The next version will be ${{ steps.dry-run.outputs.new-release-version }}"