claude-code-review.yml

name: Claude Code - Automated PR Review

on:
  pull_request:
    types: [opened, synchronize, ready_for_review, reopened]

jobs:
  claude-review:
    # Only run for PRs created by repo owner
    if: github.event.pull_request.author_association == 'OWNER'

    runs-on: ubuntu-latest

    permissions:
      contents: write
      pull-requests: write
      issues: write
      actions: read
      id-token: write

    steps:
      - name: Checkout repository
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
        with:
          fetch-depth: 0

      - name: Check run count
        id: check-runs
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          # Count total workflow runs for this PR (including initial opened event)
          # This allows exactly 3 runs: opened + first 2 pushes
          WORKFLOW_FILE="claude-code-review.yml"

          # Count completed workflow runs for this PR
          RUN_COUNT=$(gh api \
            -H "Accept: application/vnd.github+json" \
            -H "X-GitHub-Api-Version: 2022-11-28" \
            "repos/${{ github.repository }}/actions/workflows/${WORKFLOW_FILE}/runs?head_sha=${{ github.event.pull_request.head.sha }}&status=completed" \
            --jq '[.workflow_runs[] | select(.event == "pull_request")] | length' || echo "")

          # Error handling: default to 0 if API call failed or returned empty
          RUN_COUNT=${RUN_COUNT:-0}
          if ! [[ "$RUN_COUNT" =~ ^[0-9]+$ ]]; then
            echo "[WARN]  Warning: invalid RUN_COUNT value ('$RUN_COUNT') from GitHub API. Defaulting to 0."
            RUN_COUNT=0
          fi

          # Add 1 for the current run (not yet completed)
          RUN_COUNT=$((RUN_COUNT + 1))

          echo "This is run #$RUN_COUNT for this PR (event: ${{ github.event.action }})"

          # Allow reviews on first 3 runs total (opened + first 2 pushes)
          if [ "$RUN_COUNT" -le 3 ]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "[OK] Will run Claude review (run $RUN_COUNT of 3)"
          else
            echo "should_run=false" >> $GITHUB_OUTPUT
            echo "[SKIP]  Skipping Claude review (already ran 3 times)"
          fi

      - name: Run Claude Code Review
        if: steps.check-runs.outputs.should_run == 'true'
        uses: anthropics/claude-code-action@26ec041249acb0a944c0a47b6c0c13f05dbc5b44 # v1.0.70
        with:
          claude_code_oauth_token: ${{ secrets.CLAUDE_CODE_OAUTH_TOKEN }}
          github_token: ${{ secrets.GITHUB_TOKEN }}
          model: claude-opus-4-5-20251101
          plugin_marketplaces: 'https://github.com/anthropics/claude-code.git'
          plugins: 'code-review@claude-code-plugins'
          prompt: '/code-review:code-review ${{ github.repository }}/pull/${{ github.event.pull_request.number }}'
          use_commit_signing: true

      - name: Comment on PR (skipped)
        if: steps.check-runs.outputs.should_run == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
        run: |
          gh pr comment ${{ github.event.pull_request.number }} --body "[INFO] Claude Code review was skipped as it has already run 3 times for this PR. The PR can now continue toward merge."