threadsafe-check.yml

name: Threadsafe Check

on:
  pull_request:
    types: [opened, synchronize, labeled, unlabeled, edited]

jobs:
    check_threadsafety:
        runs-on: ubuntu-latest
        steps:
            - name: Checkout
              uses: actions/checkout@v4
              with:
                  fetch-depth: 0

            - name: Check for modified files
              id: changed_files
              run: |
                echo "changed_files=$(git diff --name-only --diff-filter=ACMRT ${{ github.event.pull_request.base.sha }} ${{ github.sha }} | xargs)" >> $GITHUB_OUTPUT

            - name: Verify threadsafety acknowledgement
              run: |
                CHANGED_FILES="${{ steps.changed_files.outputs.changed_files }}"
                # Check if changed files are in snowpark/_internal, snowpark/mock, or snowpark/*.py. We exclude snowpark/modin in this check.
                if echo "$CHANGED_FILES" | grep -qE '(src/snowflake/snowpark/_internal|src/snowflake/snowpark/mock|src/snowflake/snowpark/[^/]+\.py)'; then
                    echo "Checking PR description for thread-safety acknowledgment..."
                    if [[ "${{ github.event.pull_request.body }}" != *"[x] I acknowledge that I have ensured my changes to be thread-safe"* ]]; then
                        echo "Thread-safety acknowledgment not found in PR description."
                        echo "Please acknowledge the threadsafety implications of your changes by adding '[x] I acknowledge that I have ensured my changes to be thread-safe' to the PR description."
                        exit 1
                    else
                        echo "Thread-safety acknowledgment found in PR description."
                    fi
                else
                    echo "No critical files modified; skipping threadsafety check."
                fi