rust-target.yml

name: rust-target

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main
  merge_group:
    branches:
      - main

jobs:
  name: Define matrix
  define-matrix:
    runs-on: ubuntu-latest
    outputs:
      setup: ${{ steps.define-setup.outputs.setup }}

    steps:
      - uses: actions/checkout@v4

      - name: Define Setup
        id: define-setup
        run: |
          setup=$(python ci/set_versions.py)
          echo "setup=$setup" >> $GITHUB_OUTPUT

  check-target:
    name: Testing target ${{matrix.setup.rust-version}}
    runs-on: ubuntu-latest
    needs: [define-matrix]
    strategy:
      fail-fast: false
      matrix: 
        setup: ${{ fromJSON(needs.define-matrix.outputs.setup) }}
    steps:
      - uses: actions/checkout@v4

      - name: Install rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: ${{matrix.setup.rust-version}}

      - name: Install packages
        run: |
          sudo apt-get update
          sudo apt-get install libtinfo5 ripgrep

      - name: Check headers
        run: |
          TARGET_VERSIONS=$(echo '${{matrix.setup.target-versions}}' | jq ".[]" | tr -d '"')
          for TARGET_VERSION in $TARGET_VERSIONS; do
            echo "Running checks for target version $TARGET_VERSION"
            HEADERS=$(rg -l '\-\-rust-target[\s=]$TARGET_VERSION' bindgen-tests/tests/headers/ | cut -d '/' -f 4 | cut -d '.' -f 1)

            for HEADER in $HEADERS; do 
              FILE="bindgen-tests/tests/expectations/tests/$HEADER.rs"
              echo "Checking $FILE"
              rustup run ${{matrix.setup.rust-version}} rustc --edition=2018 --crate-type=rlib --emit=metadata $FILE
            done
          done