cookbook-review.yml

name: Cookbook review

on:
  pull_request:
    types: [opened, synchronize, reopened]
    paths:
      - 'mistral/**/*.md'
      - 'mistral/**/*.ipynb'

permissions:
  contents: read
  pull-requests: write

jobs:
  review:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@08eba0b27e820071cde6df949e0beb9ba4906955 # v4
        with:
          fetch-depth: 0   # full history required for git diff

      - name: Set up Python
        uses: actions/setup-python@7f4fc3e22c37d6ff65e88745f38bd3157c663f7c # v4
        with:
          python-version: '3.11'

      - name: Install dependencies
        run: pip install -r skills/cookbook-review/requirements.txt

      - name: Detect changed cookbook files
        id: detect
        run: |
          # On synchronize (new push to existing PR), review only the files changed
          # in this push by diffing from the previous HEAD of the PR branch.
          # On opened/reopened, review everything changed since the PR base.
          if [ "${{ github.event.action }}" = "synchronize" ]; then
            COMPARE_BASE="${{ github.event.before }}"
          else
            COMPARE_BASE="${{ github.event.pull_request.base.sha }}"
          fi
          echo "compare_base=${COMPARE_BASE}" >> "$GITHUB_OUTPUT"

          # A = Added (new files), M = Modified (existing files changed in this push).
          git diff --diff-filter=AM --name-only \
            "${COMPARE_BASE}" "${{ github.event.pull_request.head.sha }}" \
            -- 'mistral/**/*.md' 'mistral/**/*.ipynb' > changed_cookbooks.txt

          count=$(wc -l < changed_cookbooks.txt | tr -d ' ')
          echo "Found ${count} changed cookbook file(s):"
          cat changed_cookbooks.txt

          if [ "$count" -gt 0 ]; then
            echo "has_files=true" >> "$GITHUB_OUTPUT"
          else
            echo "has_files=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Review changed cookbooks
        if: steps.detect.outputs.has_files == 'true'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          MISTRAL_API_KEY: ${{ secrets.MISTRAL_API_KEY }}
          GITHUB_REPOSITORY: ${{ github.repository }}
          PR_NUMBER: ${{ github.event.pull_request.number }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
          BASE_SHA: ${{ steps.detect.outputs.compare_base }}
        run: python skills/cookbook-review/review_pr.py changed_cookbooks.txt