ci.yml

name: CI

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

jobs:
  build:
    name: Build

    strategy:
      fail-fast: false
      matrix:
        os:
          - ubuntu-latest
          - macos-latest
          - windows-latest

    runs-on: ${{ matrix.os }}

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable

      - name: Setup Rust cache
        uses: Swatinem/rust-cache@v2

      - name: Build
        run: cargo build --locked --release

  format:
    name: Format

    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Rust
        uses: dtolnay/rust-toolchain@master
        with:
          toolchain: stable
          components: rustfmt

      - name: Setup Rust cache
        uses: Swatinem/rust-cache@v2

      - name: Check formatting
        run: cargo fmt -- --check

  nix:
    name: Check Nix Flake

    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Nix
        uses: DeterminateSystems/nix-installer-action@v13

      - name: Setup Nix cache
        uses: DeterminateSystems/magic-nix-cache-action@v7

      - name: Run checks
        run: |
          nix run \
            --inputs-from . \
            nixpkgs#nix-fast-build -- \
            --no-nom \
            --skip-cached

  # Make sure all above jobs finished successfully
  release-gate:
    name: CI Release gate
    needs: [build, format, nix]

    if: ${{ always() }}

    runs-on: ubuntu-latest

    steps:
      - name: Exit with error
        if: contains(needs.*.result, 'failure') || contains(needs.*.result, 'cancelled')
        run: exit 1