name: Rust

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]

env:
  CARGO_TERM_COLOR: always

jobs:
  build:

    runs-on: ubuntu-latest

    steps:
    - name: check out repository
      uses: actions/checkout@v2

    - name: set up rust toolchain
      uses: actions-rs/toolchain@v1
      with:
        toolchain: stable

    - name: set up actions.rs
      uses: actions-rs/cargo@v1

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

    - name: cache linux dependencies
      uses: actions/cache@v2
      if: startsWith(runner.os, 'Linux')
      with:
        path: ~/.local/share/renv
        key: ${{ runner.os }}-renv-${{ hashFiles('**/renv.lock') }}
        restore-keys: |
          ${{ runner.os }}-renv-

    - name: install all dependencies
      run: |
        sudo apt update
        sudo apt-get install libudev-dev libusb-1.0-0-dev
        rustup +stable target add thumbv7em-none-eabihf

    - name: build xtask'ed tools
      working-directory: ./xtask
      run: |
        cargo build --verbose
        cargo fmt --all -- --check
        cargo xtask

    - name: build and fmt beginner/apps
      working-directory: ./beginner/apps
      run: |
        cargo install flip-link
        cargo build --verbose
        cargo fmt --all -- --check

    - name: build and fmt advanced/firmware
      working-directory: ./advanced/firmware
      run: |
        cargo install flip-link
        cargo build --verbose
        cargo fmt --all -- --check