update-api-list.yml

name: UpdateApiList

on:
  schedule:
    - cron: "50 4 * * 1"
  workflow_dispatch:

jobs:
  update-api-list:
    if: ${{ github.repository_owner == 'googleapis' }}
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repo
        uses: actions/checkout@v2
      - name: Install Elixir
        uses: actions/setup-elixir@v1
        with:
          otp-version: "23.0.3"
          elixir-version: "1.10.4"
      - name: Compile
        run: |
          mix do deps.get, compile
      - name: Find apis.json updates
        run: |
          mix google_apis.discover_update apis.json
          if [ -n "$(git diff)" ]; then
            echo "::set-env name=FOUND_CHANGES::true"
            echo "Changes were made to apis.json"
          else
            echo "::set-env name=FOUND_CHANGES::false"
            echo "No changes were made to apis.json"
          fi
      - name: Push changes to branch
        if: ${{ env.FOUND_CHANGES == 'true' }}
        run: |
          git config --global user.email "yoshi-automation@google.com"
          git config --global user.name "Yoshi Automation Bot"
          git checkout -b action/auto-update-api-list
          git commit -a -m "chore: Automatic update of apis.json"
          git push -f origin action/auto-update-api-list
      - name: Open PR
        if: ${{ env.FOUND_CHANGES == 'true' }}
        uses: actions/github-script@v2
        with:
          github-token: ${{ secrets.YOSHI_CODE_BOT_TOKEN }}
          script: |
            const existing = await github.pulls.list({
              owner: context.repo.owner,
              repo: context.repo.repo,
              state: "open",
              head: context.repo.owner + ":action/auto-update-api-list"
            });
            if (existing.data.length == 0) {
              core.info("No existing PR found.");
              const result = await github.pulls.create({
                owner: context.repo.owner,
                repo: context.repo.repo,
                title: "chore: Automatic update of apis.json",
                head: context.repo.owner + ":action/auto-update-api-list",
                base: "main",
                maintainer_can_modify: true,
                body: "Created by the update-api-list workflow.\n\nBe sure to review and edit CHECKME entries before merging."
              });
              core.info("Created PR number " + result.data.number);
            } else {
              const prNumber = existing.data[0].number;
              core.info("Found existing PR number " + prNumber);
              await github.issues.createComment({
                owner: context.repo.owner,
                repo: context.repo.repo,
                issue_number: prNumber,
                body: "Updated by the update-api-list workflow"
              });
              core.info("Added comment to existing PR.")
            }