dotfiles/flake.nix

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{
description = "NixOS + Home Manager configuration of chayleaf";
inputs = {
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#nixpkgs.url = "github:NixOS/nixpkgs/3dc2b4f8166f744c3b3e9ff8224e7c5d74a5424f";
# nixpkgs.url = "github:NixOS/nixpkgs/nixos-unstable";
nixpkgs.url = "github:chayleaf/nixpkgs";
nixos-hardware.url = "github:NixOS/nixos-hardware";
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nix-index-database = {
url = "github:nix-community/nix-index-database";
inputs.nixpkgs.follows = "nixpkgs";
};
mobile-nixos = {
# url = "github:NixOS/mobile-nixos";
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url = "github:chayleaf/mobile-nixos/fix-op6-modem";
flake = false;
};
impermanence.url = "github:nix-community/impermanence";
nur.url = "github:nix-community/NUR";
rust-overlay = {
url = "github:oxalica/rust-overlay";
inputs.nixpkgs.follows = "nixpkgs";
};
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coop-ofd = {
url = "github:chayleaf/coop-ofd";
inputs.nixpkgs.follows = "nixpkgs";
};
home-manager = {
url = "github:chayleaf/home-manager/librewolf";
inputs.nixpkgs.follows = "nixpkgs";
};
nix-gaming = {
url = "github:fufexan/nix-gaming";
inputs.nixpkgs.follows = "nixpkgs";
};
notlua = {
url = "github:chayleaf/notlua";
inputs.nixpkgs.follows = "nixpkgs";
};
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notnft = {
url = "github:chayleaf/notnft";
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inputs.nixpkgs.follows = "nixpkgs";
};
nixos-router = {
url = "github:chayleaf/nixos-router";
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inputs.nixpkgs.follows = "nixpkgs";
};
nixos-mailserver = {
url = "gitlab:simple-nixos-mailserver/nixos-mailserver";
inputs.nixpkgs.follows = "nixpkgs";
};
flake-compat = {
url = "github:edolstra/flake-compat";
flake = false;
};
};
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outputs = base-inputs@{ self, nixpkgs, ... }:
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let
# --impure required for developing
# it takes the paths for modules from filesystem as opposed to flake inputs
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dev = {
# coop-ofd = true;
# home-manager = true;
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# mobile-nixos = true;
# nixos-router = true;
# notnft = true;
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};
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# IRL-related stuff I'd rather not put into git
priv =
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if builtins.pathExists ./private.nix then import ./private.nix { }
else if builtins.pathExists ./private/default.nix then import ./private { }
# workaround for git flakes not having access to non-checked out files
else if builtins?extraBuiltins.secrets then builtins.extraBuiltins.secrets
# yes, this is impure, this is a last ditch effort at getting access to secrets
else import /secrets/nixos { };
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devPath = priv.devPath or ../.;
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inputs = builtins.mapAttrs
(name: input:
if dev.${name} or false then
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(if input._type or null == "flake"
then let inputs = input.inputs // { self = (import /${devPath}/${name}/flake.nix).outputs inputs; };
in inputs.self
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else /${devPath}/${name})
else input)
base-inputs;
# if x has key s, get it. Otherwise return def
# All private config for hostname
getPriv = hostname: priv.${hostname} or { };
# Private NixOS config for hostname
getPrivSys = hostname: (getPriv hostname).system or { };
# Private home-manager config for hostname and username
getPrivUser = hostname: user: (getPriv hostname).${user} or { };
# extended lib
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lib = nixpkgs.lib // import ./lib.nix { inherit (nixpkgs) lib; };
# can't use callPackage ./pkgs here, idk why; use import instead
overlay' = args: self: super: import ./pkgs ({
pkgs = super;
pkgs' = self;
lib = super.lib;
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inherit inputs;
} // args);
overlay = overlay' { };
# I override some settings down the line, but overlays always stay the same
mkPkgs = config: import nixpkgs (config // {
overlays = config.overlays or [ ] ++ [ overlay ];
});
# this is actual config, it gets processed below
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config = let
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mkBpiR3 = args: config: config // {
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system = "aarch64-linux";
modules = config.modules or [ ] ++ [ (import ./system/devices/bpi-r3-router.nix args) ];
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};
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routerConfig = rec {
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system = "aarch64-linux";
modules = [
{
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_module.args.server-config = self.nixosConfigurations.server.config;
_module.args.notnft = inputs.notnft.lib.${system};
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}
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inputs.nixos-router.nixosModules.default
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];
};
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in {
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router-emmc = mkBpiR3 "emmc" routerConfig;
router-sd = mkBpiR3 "sd" routerConfig;
server = {
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system = "aarch64-linux";
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modules = [
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{ _module.args.router-config = self.nixosConfigurations.router-emmc.config; }
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./system/devices/radxa-rock5a-server.nix
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];
};
nixmsi = rec {
system = "x86_64-linux";
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modules = [ ./system/devices/msi-delta-15-workstation.nix ];
home.common.extraSpecialArgs = {
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notlua = inputs.notlua.lib.${system};
};
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home.user = [ ./home/hosts/nixmsi.nix ];
};
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phone = rec {
system = "aarch64-linux";
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modules = [ ./system/devices/oneplus-6-phone.nix ];
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home.common.extraSpecialArgs = {
notlua = inputs.notlua.lib.${system};
};
home.user = [ ./home/hosts/phone.nix ];
};
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};
in {
overlays.default = overlay;
packages = lib.genAttrs [
"x86_64-linux"
"aarch64-linux"
] (system: let self = overlay' { isOverlay = false; } (mkPkgs { inherit system; } // self) (import nixpkgs { inherit system; }); in self);
nixosImages.router = let pkgs = mkPkgs { inherit (config.router-emmc) system; }; in {
emmcImage = pkgs.callPackage ./system/hardware/bpi-r3/image.nix {
inherit (self.nixosConfigurations.router-emmc) config;
rootfsImage = self.nixosConfigurations.router-emmc.config.system.build.rootfsImage;
bpiR3Stuff = pkgs.bpiR3StuffEmmc;
};
sdImage = pkgs.callPackage ./system/hardware/bpi-r3/image.nix {
inherit (self.nixosConfigurations.router-sd) config;
rootfsImage = self.nixosConfigurations.router-sd.config.system.build.rootfsImage;
bpiR3Stuff = pkgs.bpiR3StuffSd;
};
};
hydraJobs = {
server.${config.server.system} = self.nixosConfigurations.server.config.system.build.toplevel;
router.${config.router-emmc.system} = self.nixosConfigurations.router-emmc.config.system.build.toplevel;
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phone.${config.phone.system} = self.nixosConfigurations.phone.config.system.build.toplevel;
phone-home.${config.phone.system} = self.homeConfigurations."user@phone".activation-script;
workstation.${config.nixmsi.system} = self.nixosConfigurations.nixmsi.config.system.build.toplevel;
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workstation-home.${config.nixmsi.system} = self.homeConfigurations."user@nixmsi".activation-script;
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};
# this is the system config processing part
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nixosConfigurations = lib.flip builtins.mapAttrs config (hostname: args @ { modules, nixpkgs ? {}, home ? {}, ... }:
lib.nixosSystem {
inherit (args) system;
# allow modules to access nixpkgs directly, use customized lib,
# and pass nixos-harware to let hardware modules import parts of nixos-hardware
specialArgs = {
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inherit inputs lib;
hardware = inputs.nixos-hardware.nixosModules;
} // args.specialArgs or { };
modules = args.modules or [ ]
++ [
(getPrivSys hostname)
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{ networking.hostName = lib.mkDefault hostname;
nixpkgs.overlays = [ overlay ]; }
inputs.impermanence.nixosModule
]
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++ map (x: ./system/modules/${x}) (builtins.attrNames (builtins.readDir ./system/modules))
# the following is NixOS home-manager module configuration. Currently unused, but I might start using it for some hosts later.
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++ lib.optionals (home != { } && home.common.enableNixosModule or false) [
inputs.home-manager.nixosModules.home-manager
{ home-manager = builtins.removeAttrs (home.common or { }) [ "nixpkgs" "nix" "enableNixosModule" ]; }
{ # set both to false to match behavior with standalone home-manager
home-manager.useGlobalPkgs = false;
home-manager.useUserPackages = false;
home-manager.users = builtins.mapAttrs (username: modules: {
imports = modules ++ [
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{ nixpkgs = home.common.nixpkgs or { };
nix = home.common.nix or { }; }
({ config, pkgs, lib, ...}: {
nixpkgs.overlays = [ overlay ];
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nix.package = lib.mkDefault pkgs.nixForNixPlugins; })
(getPrivUser hostname username)
];
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}) (builtins.removeAttrs home [ "common" ]); }
];
});
# for each hostname, for each user, generate an attribute "${user}@${hostname}"
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homeConfigurations =
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builtins.listToAttrs (builtins.concatLists
(lib.flip lib.mapAttrsToList config
(hostname: { system, home ? {}, ... }:
let
common' = builtins.removeAttrs (home.common or { }) [ "nix" "nixpkgs" "enableNixosModule" ];
pkgs = mkPkgs ({ inherit system; } // home.common.nixpkgs or { });
common = common' // { inherit pkgs; };
in
lib.flip lib.mapAttrsToList (builtins.removeAttrs home [ "common" ])
# this is where actual config takes place
(user: homeConfig: lib.nameValuePair "${user}@${hostname}"
(inputs.home-manager.lib.homeManagerConfiguration (common // {
extraSpecialArgs = (common.extraSpecialArgs or { }) // { inherit inputs; };
modules =
homeConfig
++ common.modules or [ ]
++ [
(getPrivUser hostname user)
({ pkgs, lib, ... }: {
nixpkgs.overlays = [ overlay ];
nix.package = lib.mkDefault pkgs.nixForNixPlugins;
})
];
}))))));
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};
}