go-auto-approve.yml

name: auto approve and tidy
on:
  pull_request_target:
    paths:
      - '.github/workflows/gosum.yml'
      - 'go.mod'
      - 'go.sum'

# job level conditions don't seem to work at the moment
# https://github.community/t5/GitHub-Actions/Status-of-workflows-with-no-running-jobs/td-p/37160
# which is why github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]' is
# repeated over and over
jobs:
  tidy:
    name: run go mod tidy and updated
    runs-on: ubuntu-latest
    steps:
      - name: checkout
        uses: actions/checkout@v3.5.3
        with:
          fetch-depth: 0
        if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
      - name: reattach HEAD to Head Ref
        # b/c checkout action leaves in detached head state https://github.com/actions/checkout/issues/6
        run: git checkout "$(echo ${{ github.head_ref }})"
        if: github.head_ref != '' && (github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]')
      - name: setup go
        uses: actions/setup-go@v4
        with:
          go-version: '1.20.6'
      - name: Tidy
        run: |
          go version
          go mod tidy
        if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
      - name: set up Git
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          git config user.name "${GITHUB_ACTOR}"
          git config user.email "${GITHUB_ACTOR}@users.noreply.github.com"
          git remote set-url origin https://x-access-token:${GITHUB_TOKEN}@github.com/${GITHUB_REPOSITORY}.git
        if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
      - name: commit and push changes
        run: |
          git add .
          if output=$(git status --porcelain) && [ ! -z "$output" ]; then
            git commit -m 'Fix go modules'
            git push
          fi
        if: github.actor == 'dependabot[bot]' || github.actor == 'dependabot-preview[bot]'
  approve:
    name: auto-approve dependabot PRs
    runs-on: ubuntu-latest
    needs: [tidy]
    steps:
      - name: approve
        uses: hmarr/auto-approve-action@v3.2.1
        if: github.actor == 'dependabot[bot]' && contains(github.event.pull_request.labels.*.name, 'dependencies')
        with:
          github-token: '${{ secrets.GITHUB_TOKEN }}'