name: update-flake-lock
on:
  push:
    branches:
      - main
  workflow_dispatch: # allows manual triggering
  schedule:
    - cron: "0 0 * * 0" # runs weekly on Sunday at 00:00

jobs:
  lockfile:
    runs-on: ubuntu-latest
    container:
      image: docker.io/nixos/nix:latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v3
      - name: Update nix flake lockfile
        run: |
          env
          which nix
          ls -la
          nix --extra-experimental-features nix-command --extra-experimental-features flakes flake update