name: "Build baremetal toolchain"
on: ["push"]
jobs:
  build:
    runs-on: "ubuntu-latest"
    steps:
    - uses: "actions/checkout@v3"
      with:
        repository: "crosstool-ng/crosstool-ng"
        path: "ct_ng"
    - uses: "actions/checkout@v3"
      with:
        path: "tc"
    - name: "ct-ng dependencies"
      run: |
        sudo apt-get install -y gperf help2man libtool-bin meson ninja-build
        echo "${{ github.workspace }}/.local/bin" >> $GITHUB_PATH
    - name: "Build ct-ng"
      working-directory: "ct_ng"
      run: "./bootstrap && ./configure --prefix=${{ github.workspace }}/.local && make && make install"
    - name: "Create build environment"
      run: "mkdir -p build/tarballs && cp tc/Baremetal/defconfig build/defconfig"
    - name: "Patch defconfig & configure build"
      working-directory: "build"
      run: |
          echo CT_LOCAL_TARBALLS_DIR=\"${{ github.workspace }}/build/tarballs\" >> defconfig
          echo CT_PREFIX_DIR=\"\${CT_TOP_DIR}/\${CT_HOST:+HOST-${CT_HOST}/}\${CT_TARGET}\" >> defconfig
          echo CT_LOG_PROGRESS_BAR=n >> defconfig
          ct-ng defconfig
    - name: "Tarball cache management"
      uses: actions/cache@v3
      with:
        path: "build/tarballs"
        key: ${{ runner.os }}-ct-ng-tarballs
    - name: "Build toolchain"
      working-directory: "build"
      run: "ct-ng build" 
    - name: "Create toolchain archive"
      working-directory: "build"
      run: "tar -cvzf sh-unknown-elf-${{ github.sha }}.tar.gz sh-unknown-elf"
    - name: "Publish artifact"
      uses: "actions/upload-artifact@v3"
      with:
        name: "toolchain archive"
        path: |
          build/sh-unknown-elf-${{ github.sha }}.tar.gz
          build/build.log
        retention-days: 30