pre-release.yml

name: prerelease
on:
  push:
    branches:
      # releases/<package>/<tag>/<version>
      - releases/*/*/*
jobs:
  prerelease:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/setup-node@v4
        with:
          node-version: '*'
          check-latest: true
          registry-url: 'https://registry.npmjs.org'
      - name: Extract tag, version and package
        id: extract
        run: |-
          ref=${{ github.ref }}
          branch=${ref:11}
          info=${branch:9}
          package_tag=${info%/*}
          package=${package_tag%/*}
          tag=${package_tag#*/}
          version=${info##*/}
          echo "package=${package}" >> $GITHUB_OUTPUT
          echo "tag=${tag}" >> $GITHUB_OUTPUT
          echo "version=${version}" >> $GITHUB_OUTPUT
      - name: Log extracted information
        run: |-
          echo package=${{ steps.extract.outputs.package }}
          echo tag=${{ steps.extract.outputs.tag }}
          echo version=${{ steps.extract.outputs.version }}
      - name: Setup git user
        run: git config --global user.name github-actions
      - name: Setup git email
        run: git config --global user.email github-actions@github.com
      - name: Create fake .git in package subdirectory
        # See https://github.com/npm/cli/issues/2010,https://github.com/npm/npm/issues/9111
        run: mkdir packages/${{ steps.extract.outputs.package }}/.git
      - name: Run npm version
        run:
          'npm version --workspace packages/${{ steps.extract.outputs.package }} ${{ steps.extract.outputs.version
          }}-${{ steps.extract.outputs.tag }} -m "chore: release @netlify/${{ steps.extract.outputs.package }} ${{
          steps.extract.outputs.version }}-${{ steps.extract.outputs.tag }}"'
      - name: Prefix package to git tag
        run: |-
          old_git_tag=v${{ steps.extract.outputs.version}}-${{ steps.extract.outputs.tag }}
          new_git_tag=${{ steps.extract.outputs.package }}-${old_git_tag}
          git tag ${new_git_tag} ${old_git_tag}
          git tag -d ${old_git_tag}
      - name: Push changes
        run: git push --follow-tags
      - name: Install dependencies
        run: npm install
      - name: Build workspaces
        run: npx lerna run build
      - run: npm publish packages/${{ steps.extract.outputs.package }}/ --tag=${{ steps.extract.outputs.tag }}
        env:
          NODE_AUTH_TOKEN: ${{secrets.NPM_TOKEN}}