pre-commit.yml

name: XGBoost CI (Pre-commit)

on: [push, pull_request]

permissions:
  contents: read

jobs:
  pre-commit:
    name: Run pre-commit
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v4
        with:
          fetch-depth: 0
      - uses: actions/setup-python@v5
        with:
          python-version: "3.11"
      - name: Install pre-commit
        run: python -m pip install pre-commit
      - name: Run pre-commit on updated files
        shell: bash
        run: |
          if [ "${{ github.event_name }}" = "pull_request" ]; then
            FROM_REF="${{ github.event.pull_request.base.sha }}"
            TO_REF="${{ github.event.pull_request.head.sha }}"
          else
            FROM_REF="${{ github.event.before }}"
            TO_REF="${{ github.sha }}"
          fi

          if [ "${FROM_REF}" = "0000000000000000000000000000000000000000" ]; then
            FROM_REF="$(git hash-object -t tree /dev/null)"
          fi

          pre-commit run --from-ref "${FROM_REF}" --to-ref "${TO_REF}" --show-diff-on-failure