name: Check Bindgen Output

on:
  pull_request:
    paths:
      - lib/include/tree_sitter/api.h
      - lib/binding_rust/bindings.rs
  push:
    branches: [master]
    paths:
      - lib/include/tree_sitter/api.h
      - lib/binding_rust/bindings.rs

jobs:
  check-bindgen:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Set up stable Rust toolchain
        uses: actions-rust-lang/setup-rust-toolchain@v1
        with:
          toolchain: stable

      - name: Generate bindings
        run: cargo xtask generate-bindings

      - name: Check if the bindgen output changed
        run: git diff --exit-code lib/binding_rust/bindings.rs