chore: make claude review workflow bootstrap-safe #2
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| name: Claude Code Review | ||
| on: | ||
| pull_request: | ||
| types: [opened, synchronize, reopened, ready_for_review] | ||
| permissions: | ||
| contents: read | ||
| pull-requests: write | ||
| issues: read | ||
| id-token: write | ||
| jobs: | ||
| claude-code-review: | ||
| runs-on: ubuntu-latest | ||
| steps: | ||
| - name: Checkout | ||
| uses: actions/checkout@v4 | ||
| with: | ||
| fetch-depth: 0 | ||
| # The Claude Code Action validates that the workflow file exists on the default branch | ||
| # and is identical. This makes first-time installation (or updates) fail on the PR that | ||
| # introduces changes to this file. We preflight and skip gracefully in that case. | ||
| - name: Preflight (workflow integrity) | ||
| id: preflight | ||
| shell: bash | ||
| run: | | ||
| set -euo pipefail | ||
| file_path=".github/workflows/claude-code-review.yml" | ||
| default_branch="${{ github.event.repository.default_branch }}" | ||
| git fetch --no-tags --depth=1 origin "${default_branch}" | ||
| if git cat-file -e "origin/${default_branch}:${file_path}" 2>/dev/null; then | ||
| if git diff --quiet "origin/${default_branch}" -- "${file_path}"; then | ||
| echo "should_run=true" >> "$GITHUB_OUTPUT" | ||
| exit 0 | ||
| fi | ||
| echo "should_run=false" >> "$GITHUB_OUTPUT" | ||
| echo "reason=workflow_differs_from_default_branch" >> "$GITHUB_OUTPUT" | ||
| exit 0 | ||
| fi | ||
| echo "should_run=false" >> "$GITHUB_OUTPUT" | ||
| echo "reason=workflow_missing_on_default_branch" >> "$GITHUB_OUTPUT" | ||
| - name: Claude Review | ||
| if: steps.preflight.outputs.should_run == 'true' && secrets.ANTHROPIC_API_KEY != '' | ||
| uses: anthropics/claude-code-action@v1 | ||
| with: | ||
| anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }} | ||
| prompt: "/review" | ||
| # CLAUDE.md is a symlink to AGENTS.md in this repo; keep repo rules there. | ||
| claude_args: | | ||
| --max-turns 4 | ||
| - name: Claude Review (skipped) | ||
| if: steps.preflight.outputs.should_run != 'true' | ||
| run: | | ||
| echo "Skipping Claude review: ${{ steps.preflight.outputs.reason }}" | ||
| echo "This is expected when this workflow is first introduced or updated in a PR." | ||
| - name: Claude Review (skipped: missing secret) | ||
| if: steps.preflight.outputs.should_run == 'true' && secrets.ANTHROPIC_API_KEY == '' | ||
| run: | | ||
| echo "Skipping Claude review: missing ANTHROPIC_API_KEY secret." | ||
