name: runner nix smoke

on:
  workflow_dispatch:
  push:
    branches:
      - master
    paths:
      - .gitea/workflows/runner-nix-smoke.yaml
      - flake.lock
      - flake.nix
      - infra/gitea-runners/**

jobs:
  smoke:
    name: nix label smoke
    runs-on: nix
    steps:
      - name: Nix version and cache configuration
        run: |
          set -eu
          nix --version
          nix config show substituters
          nix config show trusted-public-keys

      - name: Repository flake evaluation
        run: |
          set -eu
          nix flake check --no-build