name: Bootstrap rustc using cg_clif

on:
  - push

jobs:
  bootstrap_rustc:
    runs-on: ubuntu-latest

    steps:
    - uses: actions/checkout@v2

    - name: Cache cargo installed crates
      uses: actions/cache@v2
      with:
        path: ~/.cargo/bin
        key: ${{ runner.os }}-cargo-installed-crates

    - name: Cache cargo registry and index
      uses: actions/cache@v2
      with:
        path: |
            ~/.cargo/registry
            ~/.cargo/git
        key: ${{ runner.os }}-cargo-registry-and-index-${{ hashFiles('**/Cargo.lock') }}

    - name: Cache cargo target dir
      uses: actions/cache@v2
      with:
        path: target
        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('rust-toolchain', '**/Cargo.lock') }}

    - name: Prepare dependencies
      run: |
        git config --global user.email "user@example.com"
        git config --global user.name "User"
        ./prepare.sh

    - name: Test
      run: |
        # Enable backtraces for easier debugging
        export RUST_BACKTRACE=1

        ./scripts/test_bootstrap.sh