name: Main workflow
on: [push, pull_request]
jobs:
  # Run the `rustfmt` code formatter
  rustfmt:
    name: Rustfmt [Formatter]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: rustup component add rustfmt
      - uses: actions-rs/cargo@v1
        with:
          command: fmt
          args: --all -- --check

  # Run the `clippy` linting tool
  clippy:
    name: Clippy [Linter]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: rustup component add clippy
      - uses: actions-rs/clippy-check@v1
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
          args: --all-targets --all-features -- -D clippy::all

  # Run a security audit on dependencies
  cargo_audit:
    name: Cargo Audit [Security]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: cargo install --force cargo-audit
      - run: cargo generate-lockfile
      - uses: actions-rs/cargo@v1
        with:
          command: audit

  # Ensure that the project could be successfully compiled
  cargo_check:
    name: Compile
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - uses: actions-rs/cargo@v1
        with:
          command: check
          args: --all

  # Run tests on Linux, and macOS
  # On both Rust stable and Rust nightly
  test:
    name: Test Suite
    needs: [cargo_check]
    runs-on: ${{ matrix.os }}
    strategy:
      fail-fast: false
      matrix:
        os: [ubuntu-latest, macOS-latest]
        rust: [stable, nightly]
    steps:
      # Checkout the branch being tested
      - uses: actions/checkout@v1

      # Install all the required dependencies for testing
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true

      # Install Node.js at a fixed version
      - uses: actions/setup-node@master
        with:
          node-version: "12.0.0"

      # Install Golang at a fixed version
      - uses: actions/setup-go@master
        with:
          go-version: "1.12.1"

      # Install Ruby at a fixed version
      - uses: actions/setup-ruby@master
        with:
          ruby-version: "2.6.3"

      # Install Python at a fixed version
      - uses: actions/setup-python@master
        with:
          python-version: "3.6.9"

      # Install dotnet at a fixed version
      - uses: actions/setup-dotnet@master
        with:
          dotnet-version: "2.2.402"

      # Run the ignored tests that expect the above setup
      - name: Run all tests
        uses: actions-rs/cargo@v1
        with:
          command: test
          args: -- -Z unstable-options --include-ignored

  # Run the tests in the Docker image
  docker_test:
    name: Test in Docker
    needs: [cargo_check]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@master
      - name: Pull the pre-built Docker image
        run: docker pull starshipcommand/starship-test
      - name: Fix file permissions
        run: chmod -R a+w .
      - name: Build the Docker image
        run:
          docker build -f tests/Dockerfile --tag starshipcommand/starship-test --cache-from
          starshipcommand/starship-test .
      - name: Run tests in Docker
        run: docker run --rm -v $(pwd):/src/starship starshipcommand/starship-test

  # Publish starship to Crates.io
  cargo_publish:
    if: startsWith(github.ref, 'refs/tags/v')
    name: Publish Cargo Package
    needs: [test, docker_test]
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v1
      - uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
      - run: cargo login $CRATES_IO_TOKEN
      - run: cargo publish
    env:
      CRATES_IO_TOKEN: ${{ secrets.CRATES_IO_TOKEN }}

  # Create a PR to bump the brew formula version
  brew_bump_formula:
    if: startsWith(github.ref, 'refs/tags/v')
    name: Bump Brew Formula
    needs: [test, docker_test]
    runs-on: macos-latest
    steps:
      - uses: actions/checkout@v1
      - run: export COMMIT_TAG=$(git describe --tags)
      - run: brew bump-formula-pr --url=https://github.com/starship/starship/archive/$COMMIT_TAG.tar.gz --message="Automated release pull request using continuous integration." --no-browse -v starship --force
    env:
      GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

  # Create GitHub release with Rust build targets and release notes
  github_release:
    if: startsWith(github.ref, 'refs/tags/v')
    name: Create GitHub Release
    needs: [test, docker_test]
    strategy:
      fail-fast: false
      matrix:
        target:
          - x86_64-unknown-linux-gnu
          - x86_64-unknown-linux-musl
          - x86_64-apple-darwin
        include:
          - target: x86_64-unknown-linux-gnu
            os: ubuntu-latest
            name: starship-x86_64-unknown-linux-gnu.tar.gz
          - target: x86_64-unknown-linux-musl
            os: ubuntu-latest
            name: starship-x86_64-unknown-linux-musl.tar.gz
          - target: x86_64-apple-darwin
            os: macOS-latest
            name: starship-x86_64-apple-darwin.tar.gz
    runs-on: ${{ matrix.os }}
    steps:
      - uses: actions/checkout@v1

      - name: Install Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          override: true
          target: ${{ matrix.target }}

      - name: Install musl tools
        if: matrix.target == 'x86_64-unknown-linux-musl'
        run: sudo apt-get install -y musl-tools

      - name: Build target
        uses: actions-rs/cargo@v1
        with:
          command: build
          args: --release --target ${{ matrix.target }}

      - name: Prepare build artifacts
        run: |
          strip target/${{ matrix.target }}/release/starship
          cd target/${{ matrix.target }}/release
          if [[ "${{ matrix.os }}" == "windows-latest" ]]
          then
            7z a ../../../${{ matrix.name }} starship
          else
            tar czvf ../../../${{ matrix.name }} starship
          fi
          cd -

      - name: Generate release notes
        run: |
          # Temporary fix for https://github.com/actions/setup-go/issues/14
          export PATH=$PATH:$(go env GOPATH)/bin
          go get -u github.com/git-chglog/git-chglog/cmd/git-chglog
          git-chglog -c .github/chglog/release.yml $(git describe --tags) > RELEASE.md

      - name: Create GitHub release ${{ matrix.target }}
        uses: softprops/action-gh-release@v1
        with:
          files: ${{ matrix.name }}
          body_path: RELEASE.md
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}