---
version: "3"

vars:
  host: $HOSTNAME

tasks:
  apply:
    desc: Build and apply nix configuration
    silent: true
    requires:
      vars:
        - host
    cmds:
      - task: build
        vars:
          host: "{{ .host }}"
      - task: .prompt_to_continue
      - sudo nixos-rebuild switch --flake "{{.ROOT_DIR}}/#{{.host}}" --impure
    preconditions:
      - sh: which nix
        msg: "nix not found"
      - sh: which nixos-rebuild
        msg: "nixos-rebuild not found"

  build:
    desc: Build nix configuration
    silent: true
    requires:
      vars:
        - host
    cmds:
      - nixos-rebuild build --flake "{{.ROOT_DIR}}/#{{.host}}" --impure
      - nvd diff /run/current-system result
    preconditions:
      - sh: which nix
        msg: "nix not found"
      - sh: which nixos-rebuild
        msg: "nixos-rebuild not found"
      - sh: which nvd
        msg: "nvd not found"

  .prompt_to_continue:
    internal: true
    prompt: Do you want to continue applying this configuration?

  build-image-rpi4:
    desc: Build basic machine build-image
    silent: true
    cmds:
      - nix build .#images.rpi4