name: Code Review
on:
pull_request:
types: [opened, synchronize, ready_for_review]
paths:
- "**/*.rs"
concurrency:
group: ${{ github.workflow }}-${{ github.event.pull_request.number }}
cancel-in-progress: true
jobs:
review:
runs-on: ubuntu-latest
permissions:
id-token: write
pull-requests: write
contents: read
if: ${{ !contains(github.event.pull_request.labels.*.name, 'skip-ai-review') && !github.event.pull_request.draft && github.event.pull_request.head.ref != 'release' && !startsWith(github.event.pull_request.head.ref, 'release/') }}
steps:
- name: Checkout code
uses: actions/checkout@v6
with:
ref: ${{ github.event.pull_request.head.ref }} # We need a proper checkout for the commands the skill runs
repository: ${{ github.event.pull_request.head.repo.full_name }} # To properly handle forks
fetch-depth: 0 # Fetch full history for proper git operations
- name: Determine model to use
id: model_selection
run: |
# Check if user has manually specified a model via label
HAS_OPUS_LABEL="${{ contains(github.event.pull_request.labels.*.name, 'ai-review-model-opus') }}"
HAS_SONNET_LABEL="${{ contains(github.event.pull_request.labels.*.name, 'ai-review-model-sonnet') }}"
# If manual label is present, always use that
if [ "$HAS_OPUS_LABEL" == "true" ]; then
MODEL="claude-opus-4-5-20251101"
echo "model=$MODEL" >> $GITHUB_OUTPUT
echo "📊 Using Opus (manual override via label)"
exit 0
elif [ "$HAS_SONNET_LABEL" == "true" ]; then
MODEL="claude-sonnet-4-5-20250929"
echo "model=$MODEL" >> $GITHUB_OUTPUT
echo "📊 Using Sonnet (manual override via label)"
exit 0
fi
# No manual label - use automatic selection based on PR size
ADDITIONS=${{ github.event.pull_request.additions }}
DELETIONS=${{ github.event.pull_request.deletions }}
TOTAL_LINES=$((ADDITIONS + DELETIONS))
if [ $TOTAL_LINES -gt 500 ]; then
MODEL="claude-opus-4-5-20251101"
echo "model=$MODEL" >> $GITHUB_OUTPUT
echo "📊 PR Size: $TOTAL_LINES lines changed - Using Opus (automatic)"
else
MODEL="claude-sonnet-4-5-20250929"
echo "model=$MODEL" >> $GITHUB_OUTPUT
echo "📊 PR Size: $TOTAL_LINES lines changed - Using Sonnet (default)"
fi
- name: Claude Code Review
id: claude_review
uses: anthropics/claude-code-action@v1
continue-on-error: true
with:
anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
# Use the "review" skill defined at .claude/skills/review/SKILL.md
prompt: "/review"
# Model selected automatically based on PR complexity, or manually via label
claude_args: >-
--max-turns 10
--model ${{ steps.model_selection.outputs.model }}
--allowedTools "Bash(gh:*),Bash(git diff*),Bash(git log*),Bash(git show*),Read,Grep,Glob"
- name: Output Claude execution log
if: always()
run: |
if [ -f /home/runner/work/_temp/claude-execution-output.json ]; then
echo "=== Claude Execution Log ==="
cat /home/runner/work/_temp/claude-execution-output.json
else
echo "No execution log found at /home/runner/work/_temp/claude-execution-output.json"
fi
- name: Post failure comment
if: failure() && steps.claude_review.outcome == 'failure'
uses: actions/github-script@v7
with:
script: |
github.rest.issues.createComment({
issue_number: context.issue.number,
owner: context.repo.owner,
repo: context.repo.repo,
body: '⚠️ Claude Code Review failed to complete. This could be due to API issues, rate limits, or insufficient credits. The PR can still be merged - manual review recommended.'
})
