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nixpkgs/nixos/default.nix
Jan Malakhovski e1b1683981 nixos: export packages of the current configuration (its pkgs argument)
Allows one to access a package configured with overrides given in `nixpkgs.config`, e.g.:

nix-build ./nixos/default.nix -A pkgs.ffmpeg
2018-02-09 19:35:27 +00:00

39 lines
886 B
Nix

{ configuration ? import ./lib/from-env.nix "NIXOS_CONFIG" <nixos-config>
, system ? builtins.currentSystem
}:
let
eval = import ./lib/eval-config.nix {
inherit system;
modules = [ configuration ];
};
# This is for `nixos-rebuild build-vm'.
vmConfig = (import ./lib/eval-config.nix {
inherit system;
modules = [ configuration ./modules/virtualisation/qemu-vm.nix ];
}).config;
# This is for `nixos-rebuild build-vm-with-bootloader'.
vmWithBootLoaderConfig = (import ./lib/eval-config.nix {
inherit system;
modules =
[ configuration
./modules/virtualisation/qemu-vm.nix
{ virtualisation.useBootLoader = true; }
];
}).config;
in
{
inherit (eval) pkgs config options;
system = eval.config.system.build.toplevel;
vm = vmConfig.system.build.vm;
vmWithBootLoader = vmWithBootLoaderConfig.system.build.vm;
}