follow-merge-upstream-repo-sync.yml

name: 'Sync from Label Studio frontend'

on:
  # Triggered by either the scheduled weekly sync, or a PR merged to the main branch of Khan/label-studio-frontend.
  repository_dispatch:
    types:
      - upstream_repo_update
  # Adding for testing.
  workflow_dispatch:

# Ensure only one job is running at a time to sync from frontend. For example, multiple could be triggered if
# PRs are merged to the frontend repo in quick succession.
concurrency:
  group: ${{ github.workflow }}-${{ github.event.client_payload.branch_name }}

env:
  NODE: 18
  CACHE_NAME_PREFIX: v1
  STATIC_DIST: 'label_studio/frontend/dist'
  DOCS_TARGET_DIR: "docs/source/tags/"
  BACKEND_BASE_BRANCH: 'develop'
  FRONTEND_BASE_BRANCH: 'master'

jobs:
  open:
    name: Sync PR
    if: |
      github.event.client_payload.event_action == 'merged'
    runs-on: ubuntu-latest
    steps:
      - uses: hmarr/debug-action@v2.1.0
      - name: Configure git
        shell: bash
        run: |
          set -xeuo pipefail
          git config --global user.name 'khan-actions-bot'
          git config --global user.email 'infrastructure-data@khanacademy.org'

      - name: Checkout
        uses: actions/checkout@v4
        with:
          token: ${{ secrets.KHAN_ACTIONS_BOT_TOKEN }}
          ref: ${{ env.BACKEND_BASE_BRANCH }}
          fetch-depth: 0

      - name: Checkout module
        uses: actions/checkout@v4
        with:
          repository: Khan/label-studio-frontend
          path: tmp
          token: ${{ secrets.KHAN_ACTIONS_BOT_TOKEN }}
          fetch-depth: 1
          ref: ${{ github.event.client_payload.commit_sha }}

      - uses: actions/setup-node@v3
        with:
          node-version: "${{ env.NODE }}"

      - name: Upgrade Yarn
        run: npm install -g yarn@1.22

      - name: Get yarn cache directory path
        id: yarn-cache-dir-path
        run: echo "dir=$(yarn cache dir)" >> $GITHUB_OUTPUT

      - name: Configure yarn cache
        uses: actions/cache@v3
        with:
          path: ${{ steps.yarn-cache-dir-path.outputs.dir }}
          key: ${{ env.CACHE_NAME_PREFIX }}-${{ runner.os }}-node-${{ env.NODE }}-${{ hashFiles('**/package.json') }}-${{ hashFiles('**/yarn.lock') }}

      - name: Print Yarn cache size
        run: du -d 0 -h ${{ steps.yarn-cache-dir-path.outputs.dir }}

      - name: Install dependencies
        run: |
          rm package-lock.json || true
          yarn install
        working-directory: tmp

      - name: Build module
        working-directory: tmp
        env:
          CI: false # on true webpack breaks on warnings, and we have them a lot
          NODE_ENV: 'production'
        run: |
          yarn run build:module
          branch="${{ env.FRONTEND_BASE_BRANCH }}"
          cat << EOF > "build/static/version.json"
          {
            "message": "${{ github.event.client_payload.title }}",
            "commit": "${{ github.event.client_payload.commit_sha }}",
            "branch": "${branch}",
            "date": "$(git log -1 --date=format:"%Y/%m/%d %T" --format="%ad" | cat)"
          }
          EOF

      - name: "LSF Docs: Cache node modules"
        uses: actions/cache@v3
        with:
          path: ~/.npm
          key: npm-${{ env.CACHE_NAME_PREFIX }}-${{ runner.os }}-node-${{ env.NODE }}-jsdoc-to-markdown

      - name: "LSF Docs: Install NPM deps"
        continue-on-error: true
        run: npm install -g jsdoc-to-markdown node-fetch

      - name: "LSF Docs: Build"
        id: lsf-docs-build
        continue-on-error: true
        working-directory: tmp/scripts
        run: node create-docs.js

      - name: Commit static
        shell: bash
        run: |
          set -xeuo pipefail

          module_dist="${{ env.STATIC_DIST }}/lsf"

          rm -rf "${module_dist}"
          mkdir -p "${module_dist}"
          cp -r tmp/build/static/* "${module_dist}"

          git add "${{ env.STATIC_DIST }}"
          git status -s
          git commit --allow-empty -m '[submodules] Build static Khan/label-studio-frontend from commit ${{ github.event.client_payload.commit_sha }} at ${{ github.event.client_payload.html_url }}' -m 'Workflow run: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}'
          git push origin HEAD

      - name: "LSF Docs: Commit"
        if: steps.lsf-docs-build.conclusion == 'success'
        continue-on-error: true
        run: |
          set -xeuo pipefail
          docs_target_dir='${{ env.DOCS_TARGET_DIR }}'
          find "${docs_target_dir}" ! -name 'index.md' -type f -exec rm -rf {} +
          mkdir -p "${docs_target_dir}"
          cp -Rf tmp/docs/* "${docs_target_dir}"
          git status
          git add "${docs_target_dir}"
          git commit -m 'docs: LSF Update from commit ${{ github.event.client_payload.commit_sha }} at ${{ github.event.client_payload.html_url }}' -m 'Workflow run: https://github.com/${{ github.repository }}/actions/runs/${{ github.run_id }}'
          git push origin HEAD
      - name: Notify Slack on failure
        if: failure()
        uses: ./.github/actions/notify_slack
        with:
          webhook_url: ${{ secrets.SLACK_WEBHOOK_URL }}