pub-solar-os/shell.nix
Timothy DeHerrera ed94fa013d
shell.nix: basic command to build nixos
`nixos-rebuild` has unstable flake support. By adding a simple rebuild
command to the shell, we don't need to reply on it to switch
configurations anymore. At least until it stablizes.
2020-01-01 21:55:19 -07:00

36 lines
999 B
Nix

{ pkgs ? import <nixpkgs> {} }:
let
configs = "${toString ./.}#nixosConfigurations";
hostname = pkgs.lib.fileContents /etc/hostname;
build = "config.system.build";
rebuild = pkgs.writeShellScriptBin "rebuild" ''
if [[ -z $1 ]]; then
echo "Usage: $0 [host] {switch|boot|test|iso}"
elif [[ $1 == "iso" ]]; then
nix build ${configs}.niximg.${build}.isoImage
elif [[ -z $2 ]]; then
nix run -vv ${configs}.${hostname}.${build}.toplevel -c switch-to-configuration $1
else
nix run -vv ${configs}.$1.${build}.toplevel -c switch-to-configuration $2
fi
'';
in
pkgs.mkShell {
nativeBuildInputs = with pkgs; [
rebuild
nixFlakes
];
NIX_CONF_DIR = let
current = pkgs.lib.optionalString (builtins.pathExists /etc/nix/nix.conf)
(builtins.readFile /etc/nix/nix.conf);
nixConf = pkgs.writeTextDir "opt/nix.conf" ''
${current}
experimental-features = nix-command flakes ca-references
'';
in
"${nixConf}/opt";
}