# Ensures version numbers in pyproject.toml and _version.py stay in sync.
#
# (Prevents releases with mismatched version numbers)

name: "Check Version Equality"

on:
  pull_request:
    paths:
      - "libs/core/pyproject.toml"
      - "libs/core/langchain_core/version.py"
      - "libs/langchain_v1/pyproject.toml"
      - "libs/langchain_v1/langchain/__init__.py"
      - "libs/partners/*/pyproject.toml"
      - "libs/partners/**/_version.py"

permissions:
  contents: read

jobs:
  check_version_equality:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v6

      - uses: astral-sh/setup-uv@v6
        with:
          python-version: "3.12"

      - name: "Verify pyproject.toml & version files match"
        run: |
          FAILED=0

          for dir in libs/core libs/langchain_v1 libs/partners/*; do
            [ -f "$dir/Makefile" ] || continue
            grep -q '^check_version:' "$dir/Makefile" || continue
            echo "--- $dir ---"
            make -C "$dir" check_version || FAILED=1
          done

          if [ "$FAILED" -ne 0 ]; then
            echo ""
            echo "One or more version checks failed!"
            exit 1
          fi