name: release

on:
  push:
    tags: ["v*.*.*"]

permissions:
  contents: write

jobs:
  # Workflows pin `@v1`, so the major tag has to follow each release.
  major-tag:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0

      - uses: actions/setup-node@v4
        with:
          node-version: "20"

      - name: Test before moving the tag
        run: node --test

      - name: Move the major version tag
        run: |
          major="${GITHUB_REF_NAME%%.*}"
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"
          git tag -f "$major" "$GITHUB_REF_NAME"
          git push origin "refs/tags/$major" --force
          echo "Moved $major to $GITHUB_REF_NAME"