name: CI

on:
  push:
    branches: [master]

jobs:
  check:
    name: Check Nix flake
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4
      - uses: cachix/install-nix-action@v23
      - uses: DeterminateSystems/magic-nix-cache-action@main

      - name: Write agenix secrets key to file
        env:
          KEY: ${{ secrets.AGENIX_SECRETS_KEY }}
        run: printf "$KEY" > .keys/ci.key
      - name: Check flake
        run: nix flake check