copilot-code-review.yml

name: Copilot code review

on:
  pull_request_target:
    types:
      - opened
      - reopened
      - synchronize
      - ready_for_review

permissions:
  contents: read
  pull-requests: write

jobs:
  request-copilot-review:
    if: github.event.pull_request.draft == false
    runs-on: ubuntu-latest
    steps:
      - name: Request Copilot review
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          set -euo pipefail

          requested_reviewers="$(gh api \
            "/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers")"

          if echo "$requested_reviewers" | jq -e '(.users // []) | any(.login | ascii_downcase == "copilot")' >/dev/null; then
            echo "Copilot review already requested, skipping."
            exit 0
          fi

          gh api \
            --method POST \
            -H "Accept: application/vnd.github+json" \
            "/repos/${{ github.repository }}/pulls/${{ github.event.pull_request.number }}/requested_reviewers" \
            -f reviewers[]='copilot'