cabal-in-nix-shell.yml

name: Build & test in nix-shell

on:
  push:
  pull_request:

jobs:
  build_test_nix_shell:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install Nix
        uses: cachix/install-nix-action@v17
        with:
          install_url: https://releases.nixos.org/nix/nix-2.13.3/install
          extra_nix_config: |
            substituters = https://cache.nixos.org https://cache.iog.io
            trusted-public-keys = cache.nixos.org-1:6NCHdD59X431o0gWypbMrAURkbJ16ZPMQFGspcDShjY= hydra.iohk.io:f/Ea+s+dFdN+3Y/G+FDgSq+a5NEWhJGzdjvKNGv0/EQ=
            system-features = benchmark big-parallel kvm nixos-test

      - name: Cache cabal stuff
        uses: actions/cache@v3
        with:
          path: |
            ~/.cabal/packages
            ~/.cabal/store
            dist-newstyle
          key: ${{ runner.os }}-${{ hashFiles('**/*.cabal', '**/cabal.project', '**/cabal.project.freeze') }}
          restore-keys: ${{ runner.os }}-

      - name: Test nix-shell
        run: nix-shell --run "echo 'it works \o/'"

      - name: Run 'cabal update'
        run: nix-shell --run "cabal update"

      - name: Build library
        run: nix-shell --run "cabal build lib:bellman-ford"

      - name: Build test suite "bellman-ford-test"
        run: nix-shell --run "cabal build test-suite:bellman-ford-test"

      - name: Run test suite "bellman-ford-test"
        run: nix-shell --run "cabal test --test-show-details=direct test-suite:bellman-ford-test"

      - name: Run doctest
        run: nix-shell --run "cabal install doctest --overwrite-policy=always && cabal exec -- doctest -isrc src/"