CI.yaml

on: [push, pull_request]

name: CI

env:
  CARGO_OUTDATED: 0.14.0
  CARGO_AUDIT: 0.18.3

jobs:
  fmt:
    name: Format check
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Install rustfmt
        run: rustup component add rustfmt
      - name: Perform format check
        run: cargo fmt -- --check
      - name: Format check (http example)
        working-directory: ./examples/http
        run: cargo fmt -- --check
      - name: Format check (docker example)
        working-directory: ./examples/docker
        run: cargo fmt -- --check

  lints:
    name: Lints
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          toolchain: stable
          components: clippy
          override: true
      - name: Cache cargo tools
        id: cargo-tools-cache
        uses: actions/cache@v3
        with:
          path: cargo-tools
          key: lint-tools-${{ env.CARGO_OUTDATED }}-${{ env.CARGO_AUDIT }}
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            target
          key: lint-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
      - name: Install cargo tools if not cached
        if: steps.cargo-tools-cache.outputs.cache-hit != 'true'
        run: |
          cargo install cargo-outdated --version ${{ env.CARGO_OUTDATED }} --root cargo-tools --target-dir cargo-tools-build
          cargo install cargo-audit --version ${{ env.CARGO_AUDIT }} --root cargo-tools --target-dir cargo-tools-build
      - name: Clippy
        run: cargo clippy --no-deps -- -D warnings
      - name: Outdated dependencies
        # TODO: add support for githubActions format in cargo-outdated directly?
        shell: python
        run: |
          import json
          import subprocess
          import os

          env = os.environ.copy()
          env["PATH"] = os.getcwd() + "/cargo-tools/bin:" + env["PATH"]
          ps = subprocess.Popen(['cargo', 'outdated', '--format', 'json'], stdout=subprocess.PIPE, env=env)
          output = json.load(ps.stdout)
          outdated = output['dependencies']

          for dep in outdated:
              msg = "{}: project: {}, compat: {}, latest: {}, kind: {}".format(dep['name'], dep['project'], dep['compat'], dep['latest'], dep['kind'])
              print("::warning title=Outdated dependency '{}'::{}".format(dep['name'], msg))
      - name: Audit
        run: |
          PATH="$PATH:$PWD/cargo-tools/bin" cargo audit

  test-linux:
    name: Test on Linux
    needs: fmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            target
          key: test-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
      - name: Build
        cargo build --locked -- --nocapture
      - name: Test
        run: cargo test --locked -- --nocapture
      - name: Upload linux binary
        uses: actions/upload-artifact@v3
        with:
          name: cargo-fixture
          path: target/x86_64-unknown-linux-musl/debug/cargo-fixture
          if-no-files-found: error

  test-windows:
    name: Test on Windows
    needs: fmt
    runs-on: windows-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            target
          key: test-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
      - name: Test
        # tests must be run in one thread otherwise they attempt to overwrite each other's exe while building
        run: cargo test --locked -- --nocapture --test-threads=1

  msrv:
    name: MSRV check
    needs: fmt
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Extract MSRV
        id: get-msrv
        run: echo msrv=$(yq .package.rust-version Cargo.toml -oy) | tee -a "$GITHUB_OUTPUT"
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: ${{ steps.get-msrv.outputs.msrv }}
          override: true
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            target
          key: msrv-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
      - name: Perform MSRV check
        uses: actions-rs/cargo@v1
        with:
          command: check
          args: --locked

  examples-linux:
    name: Run examples on Linux
    needs: test-linux
    runs-on: ubuntu-latest
    steps:
      - name: Checkout sources
        uses: actions/checkout@v3
      - name: Setup Rust toolchain
        uses: actions-rs/toolchain@v1
        with:
          profile: minimal
          toolchain: stable
          override: true
      - name: Cache dependencies
        uses: actions/cache@v3
        with:
          path: |
            ~/.cargo/.crates.toml
            ~/.cargo/.crates2.json
            ~/.cargo/bin
            ~/.cargo/registry/index
            ~/.cargo/registry/cache
            examples/docker/target
            examples/http/target
          key: examples-${{ runner.os }}-${{ hashFiles('Cargo.lock') }}
      - uses: actions/download-artifact@v3
        with:
          name: cargo-fixture
          path: cargo-fixture
      - name: Docker Example
        working-directory: examples/docker
        run: ls -l