release.yml

name: Release

on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed
    branches:
      - main
      - "*-[0-9]+.x" # Package maintenance branches (e.g., swarm-wasp-1.x, swarm-2.x)

permissions:
  contents: write
  pull-requests:
    write
    # Needed for workflow_run
  packages: write
  actions: write
  id-token: write

jobs:
  release:
    name: Release
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' && (github.event.workflow_run.head_branch == 'main' || endsWith(github.event.workflow_run.head_branch, '-[0-9]+.x')) }}

    env:
      RELEASE_COMMIT_MESSAGE: "chore: version packages"
      RELEASE_PR_TITLE: "Release Packages"

    steps:
      - name: Checkout code
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          token: ${{ secrets.PAT_TOKEN }}
          # Checkout the branch to get the latest commit which includes
          # any changesets that were committed during the CI workflow
          ref: ${{ github.event.workflow_run.head_branch }}

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version: 24
          registry-url: "https://registry.npmjs.org"

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

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      - name: Build packages
        run: pnpm run build

      - name: Set Git user name and email
        run: |
          git config --global user.email "41898282+github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"

      - name: Fetch latest commits
        run: |
          BRANCH="${{ github.event.workflow_run.head_branch }}"
          git fetch origin "$BRANCH"
          git checkout "$BRANCH"
          echo "Latest commit: $(git log -1 --oneline)"

      - name: Determine release tag
        id: release-tag
        run: |
          BRANCH="${{ github.event.workflow_run.head_branch }}"
          if [[ "$BRANCH" =~ ^(.+)-([0-9]+)\.x$ ]]; then
            # Maintenance branch: <package>-N.x
            MAJOR="${BASH_REMATCH[2]}"
            echo "tag=v${MAJOR}" >> $GITHUB_OUTPUT
            echo "is_maintenance=true" >> $GITHUB_OUTPUT
            echo "pr_suffix= [${BRANCH}]" >> $GITHUB_OUTPUT
            echo "Publishing to 'v${MAJOR}' tag (maintenance branch: ${BRANCH})"
          else
            # Main branch or other
            echo "tag=" >> $GITHUB_OUTPUT
            echo "is_maintenance=false" >> $GITHUB_OUTPUT
            echo "pr_suffix=" >> $GITHUB_OUTPUT
            echo "Publishing to 'latest' tag"
          fi

      - name: Create Release PR or Publish to NPM
        id: changesets
        uses: changesets/action@v1
        with:
          commit: "${{ env.RELEASE_COMMIT_MESSAGE }}${{ steps.release-tag.outputs.pr_suffix }}"
          title: "${{ env.RELEASE_PR_TITLE }}${{ steps.release-tag.outputs.pr_suffix }}"
          version: pnpm changeset:version
          publish: pnpm release ${{ steps.release-tag.outputs.tag != '' && format('--tag {0}', steps.release-tag.outputs.tag) || '' }}
          createGithubReleases: true
        env:
          GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}
          NODE_AUTH_TOKEN: ""

      - name: Format Release PR
        if: ${{ steps.changesets.outputs.pullRequestNumber != '' }}
        env:
          PR_NUMBER: ${{ steps.changesets.outputs.pullRequestNumber }}
          GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}
          GITHUB_REPOSITORY: ${{ github.repository }}
        run: node .github/scripts/format-release-pr.js

      - name: Update Subrepo Dependencies
        if: steps.changesets.outputs.published == 'true' && steps.release-tag.outputs.is_maintenance == 'false'
        run: node .github/scripts/update-subrepo-deps.js
        env:
          GITHUB_TOKEN: ${{ secrets.PAT_TOKEN }}
          PUBLISHED_PACKAGES: ${{ steps.changesets.outputs.publishedPackages }}