I am trying to switch to flakes with home manager but I don’t know how to use the inputs inside the home.nix.
When searching for this problem i always just see the flake.nix online but not how to use the input inside home.nix. I want to do this so i can use the unstable version of vscodium inside the home.nix
flake.nix:
{
description = "My nixos config";
inputs = {
nixpkgs.url = "github:nixos/nixpkgs/nixos-24.05";
nixpkgs-unstable.url = "github:nixos/nixpkgs/nixos-unstable";
home-manager.url = "github:nix-community/home-manager/release-24.05";
home-manager.inputs.nixpkgs.follows = "nixpkgs";
};
outputs = { nixpkgs, home-manager, nixpkgs-unstable, ... } @ inputs: {
nixosConfigurations.nixos = nixpkgs.lib.nixosSystem {
specialArgs = {
inherit inputs;
};
modules = [
./configuration.nix
home-manager.nixosModules.home-manager
{
home-manager.useGlobalPkgs = true;
home-manager.useUserPackages = true;
home-manager.backupFileExtension = "backup";
home-manager.users.myname = import ./home.nix;
home-manager.extraSpecialArgs = { inherit nixpkgs-unstable; };
}
];
};
};
}
home.nix (partial)
{ pkgs, nixpkgs-unstable, ... }:
{
home.username = "myname";
home.packages = [
nixpkgs-unstable.nixpkgs-fmt
];
...
[myname@nixos:~/nixos-config]$ sudo nixos-rebuild switch
building the system configuration...
evaluating derivation 'path:/home/myname/nixos-config#nixosConfigurations."nixos".config.system.build.toplevel'
error:
… while calling the 'head' builtin
at /nix/store/114462g9fhfa5ck1ssribfdh7wlk9m1s-source/lib/attrsets.nix:1575:11:
1574| || pred here (elemAt values 1) (head values) then
1575| head values
| ^
1576| else
… while evaluating the attribute 'value'
at /nix/store/114462g9fhfa5ck1ssribfdh7wlk9m1s-source/lib/modules.nix:809:9:
808| in warnDeprecation opt //
809| { value = builtins.addErrorContext "while evaluating the option `${showOption loc}':" value;
| ^
810| inherit (res.defsFinal') highestPrio;
(stack trace truncated; use '--show-trace' to show the full trace)
error: attribute 'nixpkgs-fmt' missing
at /nix/store/3k0sy2482k94pb8fcr7vqq5ipxgbfzbh-source/home.nix:6:5:
5| home.packages = [
6| nixpkgs-unstable.nixpkgs-fmt
| ^
7| ];