name: Nix CI
on:
    pull_request:
    workflow_dispatch:
    push:
        branches:
            - main
        tags:
            - v?[0-9]+.[0-9]+.[0-9]+*

concurrency:
    group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
    cancel-in-progress: true

jobs:
    nix-ci:
        runs-on: ubuntu-latest
        steps:
            - uses: actions/checkout@v4
            - uses: DeterminateSystems/nix-installer-action@main
              with:
                  determinate: true
            - uses: DeterminateSystems/flake-checker-action@main
            - run: nix flake check --all-systems