auto_publish_release.yml

name: Release stage 2 - auto publish

on:
  pull_request:  # types AND paths
    types: [closed]
    paths: ['package.json']
    # NOTE: While this is too generic, we use the `if` condition of the job to narrow it down
    # NOTE: Don't use `branches` as we might create release on any branch

env:
  # Best not to include the GH token here, only do it for the steps that need it
  MERGE_SHA: ${{ github.event.pull_request.merge_commit_sha }}
  CHANGELOG_FILE: CHANGES.md

jobs:
  publish:
    if: >-  # NOTE: Can't use top-level env here unfortunately
      github.event.pull_request.merged == true &&
      contains(github.event.pull_request.labels.*.name, 'release')
    runs-on: ubuntu-latest
    timeout-minutes: 5
    steps:

      - name: Checkout repo
        uses: actions/checkout@v4
        with:
          ref: ${{ env.MERGE_SHA }}

      - name: Setup Node
        uses: actions/setup-node@v3
        with:
          node-version: 16

      - name: Install
        run: yarn install

      - name: Build
        run: yarn build

      - name: Get the version number
        run: |
          VERSION=$(node -p -e "require('./package.json').version")
          echo "VERSION=$VERSION" >> $GITHUB_ENV

      - name: Create ZIP archive
        working-directory: dist
        run: |
          filename="cylc-ui-${VERSION}-dist.zip"
          zip -r "../$filename" *
          echo "ZIP_ARCHIVE=$filename" >> $GITHUB_ENV

      - name: sha256sum
        run: |
          SHA256SUM=$(sha256sum ${{ env.ZIP_ARCHIVE }})
          echo "SHA256SUM=$SHA256SUM" >> $GITHUB_ENV

      - name: Publish GitHub release
        id: create-release
        uses: cylc/release-actions/create-release@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          commitish: ${{ env.MERGE_SHA }}
          tag_name: ${{ env.VERSION }}
          release_name: cylc-ui ${{ env.VERSION }}
          # TODO: `npm version` doesn't indicate whether it's a prerelease or not
          # prerelease: ${{ env.PRERELEASE }}
          draft: false
          body: |
            See [${{ env.CHANGELOG_FILE }}](https://github.com/${{ github.repository }}/blob/master/${{ env.CHANGELOG_FILE }}) for details.

            sha256sum:
            ```
            ${{ env.SHA256SUM }}
            ```
          # TODO: Get topmost changelog section somehow and use that as the body?

      - name: Upload Release Asset
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: gh release upload "$VERSION" "$ZIP_ARCHIVE"

      - name: Comment on the release PR with the results & next steps
        if: always()
        uses: cylc/release-actions/stage-2/comment-on-pr@v1
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        with:
          release-url: ${{ steps.create-release.outputs.html_url }}