1f22e996dc
Downstream users now own only system.nix and home.nix; their flake.nix is generated once from the template and never hand-edited. mkFlake (lib.nix) wires both layers and maps hardwareProfile = "<name>" to nixos-hardware modules (new input, pinned here, nixpkgs follows ours; unknown names fail with did-you-mean suggestions). Flake checks evaluate the template through mkFlake — including a real profile — so drift fails `nix flake check`. Also from the live-VM testing session: install the home-manager CLI in the live ISO and pin flake inputs transitively (offline theme switching needs stylix's own inputs too), plus swww→awww doc updates. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
81 lines
3.0 KiB
Nix
81 lines
3.0 KiB
Nix
# Downstream sugar: one call wires a whole machine flake.
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# Users own ONLY system.nix, home.nix and theme-state.json; their flake.nix
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# is generated once (by `nix flake init -t` or the future installer) and
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# never hand-edited. The raw exports (nixosModules/homeModules/overlays)
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# in flake.nix remain the escape hatch for power users.
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{ nixpkgs, home-manager, nixos-hardware, nomarchy }:
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{
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mkFlake =
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{ src # the downstream flake directory (./.)
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, username # login name; also the homeConfigurations attr
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, hardwareProfile ? null # a nixos-hardware module name, or null
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, system ? "x86_64-linux"
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}:
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let
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inherit (nixpkgs) lib;
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hardwareModules =
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if hardwareProfile == null then
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[ ]
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else if builtins.hasAttr hardwareProfile nixos-hardware.nixosModules then
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[ nixos-hardware.nixosModules.${hardwareProfile} ]
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else
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throw ''
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nomarchy.lib.mkFlake: unknown hardwareProfile "${hardwareProfile}".
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${let
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close = builtins.filter
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(name: lib.strings.levenshteinAtMost 3 name hardwareProfile)
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(builtins.attrNames nixos-hardware.nixosModules);
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in
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lib.optionalString (close != [ ])
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"Did you mean: ${lib.concatStringsSep ", " close}?\n"
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}Valid names are the attribute names of nixos-hardware.nixosModules:
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https://github.com/NixOS/nixos-hardware
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or list them locally with:
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nix eval github:NixOS/nixos-hardware#nixosModules --apply builtins.attrNames
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Omit hardwareProfile entirely if your machine has no profile.
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'';
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pkgs = import nixpkgs {
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inherit system;
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overlays = [ nomarchy.overlays.default ];
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};
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in
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{
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# System layer — rebuilt rarely:
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# sudo nixos-rebuild switch --flake .#default
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nixosConfigurations.default = nixpkgs.lib.nixosSystem {
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inherit system;
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specialArgs = { inherit username; };
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modules =
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[ nomarchy.nixosModules.nomarchy ]
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++ hardwareModules
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++ [
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(src + "/hardware-configuration.nix") # from nixos-generate-config
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(src + "/system.nix")
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];
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};
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# Desktop layer — every theme change, no sudo:
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# home-manager switch --flake .#<username>
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# (`nomarchy-theme-sync apply` runs this for you.)
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homeConfigurations.${username} = home-manager.lib.homeManagerConfiguration {
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inherit pkgs;
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modules = [
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nomarchy.homeModules.nomarchy
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(src + "/home.nix")
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{
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# Written by nomarchy-theme-sync; reading it is pure — the
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# file is part of the downstream flake's source.
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nomarchy.stateFile = src + "/theme-state.json";
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home = {
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inherit username;
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homeDirectory = "/home/${username}";
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};
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}
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];
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};
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};
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}
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