next.yml

name: Fusion Framework Pre-Release

on:
  push:
    branches-ignore:
      - main

concurrency: ${{ github.workflow }}-${{ github.ref }}
permissions:
  contents: write
  pull-requests: write

jobs:
  check-pre-release:
    name: Check pre-release configuration
    runs-on: ubuntu-latest
    outputs:
      should-run: ${{ steps.check.outputs.should-run }}
      tag: ${{ steps.check.outputs.tag }}
    steps:
      - uses: actions/checkout@v7

      - name: Check if branch targets main and pre-release configuration
        id: check
        run: |
          # Check if branch has a PR targeting main
          BRANCH_NAME="${GITHUB_HEAD_REF:-${GITHUB_REF#refs/heads/}}"
          PR_COUNT=$(gh pr list --base main --head "$BRANCH_NAME" --state open --json number --jq 'length')
          if [ "$PR_COUNT" -eq 0 ]; then
            echo "should-run=false" >> $GITHUB_OUTPUT
            echo "::notice::Pre-release skipped: No open pull request targeting main found for branch '$BRANCH_NAME'."
            exit 0
          fi
          echo "Found PR targeting main for branch '$BRANCH_NAME'"
          
          # Check for pre-release configuration
          if [ ! -f ".changeset/pre.json" ]; then
            echo "should-run=false" >> $GITHUB_OUTPUT
            echo "::notice::Pre-release skipped: .changeset/pre.json not found. This is expected for non-pre-release branches."
            exit 0
          fi
          TAG=$(node -p "require('./.changeset/pre.json').tag")
          if [ "$TAG" = "latest" ]; then
            echo "Error: Pre-release workflow cannot use 'latest' tag. 'latest' is reserved for stable releases."
            exit 1
          fi
          echo "should-run=true" >> $GITHUB_OUTPUT
          echo "tag=$TAG" >> $GITHUB_OUTPUT
          echo "Using tag from pre.json: $TAG"
        env:
          GH_TOKEN: ${{ github.token }}

  release-pkg:
    name: Version or publish pre-release of packages
    needs: check-pre-release
    if: needs.check-pre-release.outputs.should-run == 'true'
    runs-on: fusion-gh-runner-fusion-framework
    outputs:
      published: ${{ steps.changesets.outputs.published }}
      has-changesets: ${{ steps.changesets.outputs.has-changesets }}
    steps:
      - uses: actions/checkout@v7
        with:
          fetch-depth: 0

      - name: Setup node and install deps
        uses: ./.github/actions/node-setup

      - name: Create Release Pull Request or Publish to npm
        id: changesets
        uses: changesets/action@v2
        with:
          github-token: ${{ github.token }}
          pr-title: '🤖 Bip Bop - Fusion Framework Pre-Release'
          version-script: pnpm changeset:version
          publish-script: pnpm publish -r --no-git-checks --report-summary --tag ${{ needs.check-pre-release.outputs.tag }}
        env:
          NPM_TOKEN: ${{ secrets.NPM_AUTH_TOKEN }}

      # fusion-gh-runner-fusion-framework's image doesn't ship gh (tracked with
      # infra). Non-blocking: worst case the changeset PR stays open/ready.
      - name: convert Changeset PR to draft
        if: steps.changesets.outputs.published == 'false' && steps.changesets.outputs['pr-number']
        continue-on-error: true
        run: gh pr ready ${{ steps.changesets.outputs['pr-number'] }} --undo
        env:
          GH_TOKEN: ${{ github.token }}