config/flake.nix

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{
description = "pbsds' system/home flake";
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inputs = {
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nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.05";
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unstable.url = "github:NixOS/nixpkgs/nixos-unstable";
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home-manager.url = "github:nix-community/home-manager/release-23.05";
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home-manager.inputs.nixpkgs.follows = "nixpkgs";
nixos-hardware.url = "github:NixOS/nixos-hardware";
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#TODO:
#sops-nix.url = "github:Mic92/sops-nix";
#sops-nix.inputs.nixpkgs.follows = "nixpkgs";
#matrix-next.url = "github:dali99/nixos-matrix-modules"; # see https://git.pvv.ntnu.no/Drift/pvv-nixos-config/src/main/flake.nix
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#https://github.com/considerate/nixos-odroidhc4
#https://cyberchaos.dev/cyberchaoscreatures/musl-nixos/
#https://github.com/numtide/system-manager
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#nix-vscode-extensions.url = "github:nix-community/nix-vscode-extensions"
#https://github.com/numtide/nixpkgs-unfree # has a cache
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#https://github.com/matthewbauer/nixiosk
#inputs.pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
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# used to host old docs
#nixpkgs-22.url = "github:NixOS/nixpkgs/nixos-22.11";
#nixpkgs-21.url = "github:NixOS/nixpkgs/nixos-21.11";
#nixpkgs-20.url = "github:NixOS/nixpkgs/nixos-20.09";
#nixpkgs-19.url = "github:NixOS/nixpkgs/nixos-19.09";
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#nixpkgs-19.flake = false; # Earlier versions are not flake-pure
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# TODO: somehow make these private repos optional (a lazy fetch would be nice)
pbsds-papers.url = "git+ssh://git@github.com/pbsds/papers.git";
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# temporary stuff i want to use
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# TODO: can i fetch a subset of files of these?
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pr-polaris14.url = "github:pbsds/nixpkgs/polaris-14";
};
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outputs = {
self,
nixpkgs,
unstable,
nixos-hardware,
home-manager,
...
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} @ inputs:
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let
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flake = inputs: system: nixpkgs.lib.mapAttrs (name: flake: {
# TODO filter non-flake inputs
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nixos = flake.nixosModules
or null;
pkgs = flake.packages.${system}
or flake.legacyPackages.${system}
or null;
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lib = flake.lib.${system}
or flake.lib
or null;
}) inputs;
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forSystems = systems: f: nixpkgs.lib.genAttrs systems (system: f rec {
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inherit system;
pkgs = nixpkgs.legacyPackages.${system};
lib = nixpkgs.legacyPackages.${system}.lib;
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flakes = flake inputs system;
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});
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forAllSystems = forSystems [
"x86_64-linux"
"aarch64-linux"
#"riscv64-linux"
];
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# TODO: move unstable here?
tmpConfig = {
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disabledModules = [ "services/misc/polaris.nix" ];
imports = [ "${inputs.pr-polaris14}/nixos/modules/services/misc/polaris.nix" ];
nixpkgs.overlays = [(final: prev: { # TODO: nixpkgs.config.packageOverrides ?
polaris = prev.callPackage "${inputs.pr-polaris14}/pkgs/servers/polaris" { };
polaris-web = prev.callPackage "${inputs.pr-polaris14}/pkgs/servers/polaris/web.nix" { };
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})];
};
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mkConfig = hostname: domain: system: modules: nixpkgs.lib.nixosSystem {
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inherit system;
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specialArgs = {
inherit inputs;
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flakes = flake inputs system;
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};
modules = modules ++ [ ./base.nix "${self}/hosts/${hostname}" tmpConfig ({
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home-manager.extraSpecialArgs = {
inherit inputs;
packages = self.packages.${system};
};
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# still needed even if using networkd
networking.hostName = hostname;
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networking.domain = domain;
networking.search = [ domain ];
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nixpkgs.overlays = [
(final: prev: {
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#unstable = unstable.legacyPackages.${final.system};
unstable = import unstable { inherit system; config.allowUnfree = true; }; # TODO: inherit nixos config from stable
})
];
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# This makes commandline tools like 'nix run nixpkgs#hello'
# and 'nix-shell -p hello' use the same channel as system was built with
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nix.registry.nixpkgs.flake = inputs.nixpkgs;
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#nix.registry.nixpkgs-unstable.flake = inputs.unstable;
nix.registry.nixpkgs-unstable.flake = "github:NixOS/nixpkgs/nixos-unstable";
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nix.nixPath = [
"nixpkgs=${inputs.nixpkgs}"
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#"nixpkgs-unstable=${inputs.unstable}"
"nixpkgs-unstable=github:NixOS/nixpkgs/nixos-unstable"
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];
})];
};
in {
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inherit inputs;
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packages = forAllSystems ({ pkgs, flakes, ... }: {
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mpv-webm = pkgs.callPackage ./pkgs/mpv-webm.nix {}; # TODO: https://github.com/NixOS/nixpkgs/pull/238659
nixos-rebuild-nom = with pkgs; writeScriptBin "nixos-rebuild" ''
exec ${nixos-rebuild}/bin/nixos-rebuild "$@" |& ${nix-output-monitor}/bin/nom
'';
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});
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lib = {
inherit flake forSystems;
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} // forAllSystems ({ ... }: {
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inherit flake forSystems;
});
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nixosConfigurations = let nm = nixos-hardware.nixosModules; in {
# TODO: move nixos-hardware imports to the nixos configs?
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noximilien = mkConfig "noximilien" "pbsds.net" "x86_64-linux" (with nm; [ common-pc common-pc-ssd common-cpu-intel ]);
bolle = mkConfig "bolle" "pbsds.net" "x86_64-linux" (with nm; [ common-pc common-pc-ssd common-cpu-intel ]);
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nord = mkConfig "nord" "pbsds.net" "x86_64-linux" (with nm; [ common-pc common-pc-ssd common-cpu-intel-cpu-only common-cpu-intel-sandy-bridge common-gpu-amd common-hidpi ]);
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sopp = mkConfig "sopp" "pbsds.net" "x86_64-linux" (with nm; [ common-pc common-pc-ssd common-cpu-intel common-gpu-nvidia-nonprime ]);
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};
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homeConfigurations = forAllSystems ({ pkgs, system, ... }: let
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mkHome = user: home: modules: home-manager.lib.homeManagerConfiguration {
inherit pkgs;
modules = modules ++ [{
home.username = user;
home.homeDirectory = home;
}];
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extraSpecialArgs.packages = self.packages.${system};
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};
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in {
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pbsds = mkHome "pbsds" "/home/pbsds" [ ./users/pbsds/home ];
pbsds-gnome = mkHome "pbsds" "/home/pbsds" [ ./users/pbsds/home/gnome.nix ];
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});
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devShells = forAllSystems ({ pkgs, flakes, ... }: let
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mkShell = packages: pkgs.mkShell.override (old: { stdenv = pkgs.stdenvNoCC; }) { inherit packages; };
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envrc-pkgs = [
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flakes.self.pkgs.nixos-rebuild-nom
pkgs.home-manager
pkgs.nix-output-monitor
pkgs.cachix
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];
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in {
envrc-local = mkShell envrc-pkgs;
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envrc-remote = mkShell (envrc-pkgs ++ [
flakes.unstable.pkgs.remote-exec # TODO: stable
pkgs.yq
pkgs.rsync
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]);
remoteenv = mkShell [
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flakes.self.pkgs.nixos-rebuild-nom
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];
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});
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};
}