rust.yml

name: Rust CI

on:
  push:
    branches:
      - master
  pull_request:
    branches:
      - master

env:
  CARGO_TERM_COLOR: always

jobs:
  test:
    name: Test Rust Shaders
    runs-on: ${{ matrix.os }}
    strategy:
      matrix:
        os: [ubuntu-latest, windows-latest, macos-latest]
    
    steps:
      - uses: actions/checkout@v4
        with:
          submodules: "recursive"
      
      - name: Install Rust
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rust-src, rustc-dev, llvm-tools
      
      - name: Install cargo-gpu
        run: cargo install --git https://github.com/rust-gpu/cargo-gpu cargo-gpu
      
      - name: Cache cargo registry
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/registry
            ~/.cargo/git
          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
      
      - name: Compile shaders to SPIR-V
        working-directory: shaders/rust
        run: python3 compileshaders.py
      
      - name: Verify no uncommitted changes
        run: |
          # Check if there are any changes to tracked files
          if ! git diff --exit-code; then
            echo "Error: Generated SPIR-V files differ from checked-in versions"
            echo "Please run 'python3 compileshaders.py' locally and commit the changes"
            git diff --name-only
            exit 1
          fi
          
          # Check for untracked files
          if [ -n "$(git ls-files --others --exclude-standard)" ]; then
            echo "Error: New untracked files were generated"
            echo "Please add these files to git or update .gitignore:"
            git ls-files --others --exclude-standard
            exit 1
          fi