name: Setup QEMU Fuzzers environment
description: Sets up the QEMU fuzzers environment
runs:
  using: composite
  steps:
    - name: Install QEMU deps
      shell: bash
      run: |
        apt-get update 
        apt-get install -y qemu-utils sudo python3-msgpack python3-jinja2 curl python3-dev gcc-arm-none-eabi \
          gcc-arm-linux-gnueabi g++-arm-linux-gnueabi
    - name: Remove old rust
      shell: bash
      run: sudo apt purge -y 'rust*' 'cargo*'
    - uses: dtolnay/rust-toolchain@stable
      env:
        RUSTUP_HOME: /usr/local/rustup
        CARGO_HOME: /usr/local/cargo
    - name: enable mult-thread for `make`
      shell: bash
      run: export MAKEFLAGS="-j$(expr $(nproc) \+ 1)"
    - name: install just
      uses: extractions/setup-just@v2
      with:
        just-version: '1.40.0'
    - uses: actions/checkout@v4
      with:
        submodules: true
        fetch-depth: 0
    - uses: ./.github/workflows/ubuntu-prepare
    - uses: Swatinem/rust-cache@v2
      with: { shared-key: "${{ runner.os }}-shared-fuzzer-cache" }