cppinterop-diff.yml

name: Diff CppInterOp against upstream
on:
  pull_request:
    paths:
      - 'interpreter/CppInterOp/**'

jobs:
  cppinterop-diff:
    runs-on: ubuntu-latest
    steps:
      - name: Check out ROOT
        uses: actions/checkout@v4
        with:
          path: root
      - name: Determine tag that CppInterOp in ROOT is based
        id: determine-tag
        run: |
          tag_file=root/interpreter/CppInterOp/cppinterop-version.tag
          echo "tag=$(cat $tag_file)" >> $GITHUB_OUTPUT
          rm $tag_file
      - name: Check out CppInterOp
        uses: actions/checkout@v4
        with:
          repository: compiler-research/CppInterOp
          ref: ${{ steps.determine-tag.outputs.tag }}
          path: CppInterOp
      - name: Drop directories that are not added to ROOT
        working-directory: CppInterOp
        run: |
          rm -rf .git .github discord.svg
      - name: Compare
        run: diff --exclude=CMakeLists.txt -ur CppInterOp/ root/interpreter/CppInterOp/