prepare-release.yml

name: Prepare Release

on:
  workflow_run:
    workflows: ["CI"]
    types:
      - completed

jobs:
  version:
    if: >
      github.event.workflow_run.conclusion == 'success' &&
      github.event.workflow_run.head_branch == 'master' &&
      !startsWith(github.event.workflow_run.head_commit.message, 'chore(release)')
    runs-on: ubuntu-latest
    permissions:
      contents: write
    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          repository: ${{ github.event.workflow_run.head_repository.full_name }}
          ref: ${{ github.event.workflow_run.head_commit.id }}
          fetch-depth: 0

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

      - name: Setup Node.js
        uses: actions/setup-node@v4
        with:
          node-version: 20.x
          cache: pnpm

      - name: Install dependencies
        env:
          LAME_SKIP_DOWNLOAD: "1"
        run: pnpm install --frozen-lockfile

      - name: Determine changelog mode
        id: changelog
        run: |
          git fetch --tags --force >/dev/null 2>&1 || true
          if git rev-parse "v2.0.0" >/dev/null 2>&1; then
            echo "skip=0" >> "$GITHUB_OUTPUT"
          else
            echo "skip=1" >> "$GITHUB_OUTPUT"
          fi

      - name: Configure git
        run: |
          git config user.name "github-actions[bot]"
          git config user.email "github-actions[bot]@users.noreply.github.com"

      - name: Bump version and changelog
        id: version
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          SKIP_CHANGELOG: ${{ steps.changelog.outputs.skip }}
        run: |
          set -eo pipefail
          git checkout -B master ${{ github.event.workflow_run.head_commit.id }}
          pnpm run release:version > version.log 2>&1 || STATUS=$?
          cat version.log
          if [ -n "$STATUS" ]; then
            if grep -q "No changed packages" version.log; then
              echo "skip=true" >> "$GITHUB_OUTPUT"
              exit 0
            fi
            exit "$STATUS"
          fi
          NEW_VERSION=$(node -p "require('./package.json').version")
          echo "version=$NEW_VERSION" >> "$GITHUB_OUTPUT"

      - name: Push release commit and tags
        if: steps.version.outputs.skip != 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: git push --set-upstream origin master --follow-tags