nanuqsaurus/modules/system/justfile.nix

{ ... }:

let
  justfileText = ''
    FORCE := "0"

    [no-cd]
    manage:
        $EDITOR ~/.config/home-manager/home.nix

    [no-cd]
    switch:
        home-manager switch --flake ~/.config/home-manager#$USER

    [no-cd]
    rebuild:
        sudo nixos-rebuild switch --flake "''${NIXOS_FLAKE:-/etc/nixos}#$HOSTNAME"

    [no-cd]
    clean:
        nix-collect-garbage -d

    [no-cd]
    update:
        sudo nix flake update --flake "''${NIXOS_FLAKE:-/etc/nixos}"
        just rebuild

    [no-cd]
    init-home:
        #!/usr/bin/env bash
        set -euo pipefail

        src="/etc/skel/.config/home-manager"
        dst="${XDG_CONFIG_HOME:-$HOME/.config}/home-manager"

        mkdir -p "$dst"
        chmod 700 "$dst" || true

        overwrite="0"
        if [[ "${FORCE}" == "1" ]]; then
          overwrite="1"
        elif [[ -e "$dst/flake.nix" || -e "$dst/home.nix" ]]; then
          read -r -p "Home Manager files already exist in $dst. Overwrite? [y/N] " ans
          case "${ans:-}" in
            y|Y|yes|YES) overwrite="1" ;;
            *) overwrite="0" ;;
          esac
        fi

        for f in flake.nix home.nix; do
          if [[ "$overwrite" == "1" || ! -e "$dst/$f" ]]; then
            install -m 600 "$src/$f" "$dst/$f"
            echo "copied $f -> $dst/$f"
          else
            echo "kept   $dst/$f"
          fi
        done
  '';
in
{
  # Global Just recipes (system-wide). Used when `XDG_CONFIG_DIRS` includes `/etc/xdg` (default).
  environment.etc."xdg/just/justfile".text = justfileText;
}