5 "https://nix-community.cachix.org"
7 extra-trusted-public-keys = [
8 "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
14 doom-emacs.flake = false;
15 doom-emacs.url = "github:hlissner/doom-emacs";
16 home-manager.inputs.nixpkgs.follows = "nixpkgs";
17 home-manager.url = "github:nix-community/home-manager/release-23.11";
18 nix-formatter-pack.inputs.nixpkgs.follows = "nixpkgs";
19 nix-formatter-pack.url = "github:Gerschtli/nix-formatter-pack";
20 nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
21 pre-commit-hooks.inputs.nixpkgs.follows = "nixpkgs";
22 pre-commit-hooks.inputs.nixpkgs-stable.follows = "nixpkgs";
23 pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
28 remoteNixpkgsPatches = import nixpkgs/patches.nix;
29 localNixpkgsPatches = [
31 originPkgs = inputs.nixpkgs.legacyPackages."x86_64-linux";
32 nixpkgsPath = originPkgs.applyPatches {
33 name = "nixpkgs-patched";
34 src = inputs.nixpkgs.outPath;
35 patches = map originPkgs.fetchpatch remoteNixpkgsPatches ++ localNixpkgsPatches;
37 patch=$(printf '%s\n' ${builtins.concatStringsSep " "
38 (map (p: p.sha256) remoteNixpkgsPatches ++ localNixpkgsPatches)} |
39 sort | sha256sum | cut -c -7)
40 echo "-patch-$patch" >.version-suffix
43 profile = "/nix/var/nix/profiles/system";
44 inherit (inputs.nixpkgs) lib;
45 #nixosSystem = lib.nixosSystem;
46 nixosSystem = import (nixpkgsPath + "/nixos/lib/eval-config.nix");
47 forAllSystems = f: lib.genAttrs lib.systems.flakeExposed (system: f rec {
49 #pkgs = inputs.nixpkgs.legacyPackages.${system};
50 pkgs = import nixpkgsPath {
52 overlays = import nixpkgs/overlays.nix;
55 self = with lib.fileset; toSource {
70 (file: lib.any file.hasExt [
90 # nix -L build .#hello
91 packages = forAllSystems ({ pkgs, ... }: pkgs);
93 # nix -L build .#nixosConfigurations.oignon.config.system.build.toplevel
94 # nix -L build .#nixosConfigurations.oignon.config.boot.kernelPackages.kernel.configfile
95 # nix -L build .#nixosConfigurations.oignon.pkgs.hello
96 # nix eval --raw .#nixosConfigurations.oignon.config.networking.nftables.ruleset
97 nixosConfigurations = lib.genAttrs
98 (builtins.attrNames (lib.filterAttrs (_n: v: v == "directory") (builtins.readDir (self + "/hosts"))))
99 (hostName: nixosSystem {
102 # Required to avoid infinite recursion
103 # when `inputs` is used in `imports`.
108 (import (self + "/hosts/${hostName}.nix"))
112 hosts = nixosConfigurations;
113 host = nixosConfigurations.${hostName}._module.args;
115 nixpkgs.overlays = import (self + "/nixpkgs/overlays.nix");
116 nixpkgs.config.allowUnfreePredicate = pkg: builtins.elem (lib.getName pkg) [
126 inputs.home-manager.nixosModules.home-manager
128 home-manager.useGlobalPkgs = true;
129 home-manager.useUserPackages = true;
130 home-manager.verbose = true;
131 home-manager.backupFileExtension = null;
132 home-manager.extraSpecialArgs = {
133 inherit hostName inputs;
139 # nix -L develop or direnv allow
140 devShells = forAllSystems ({ pkgs, system, ... }:
142 default = pkgs.callPackage (self + "/shell.nix")
144 inherit pkgs inputs system nixpkgsPath;
145 inherit (checks.${system}.pre-commit-check) shellHook;
150 # nix -L run .#oignon.switch
151 apps = forAllSystems ({ pkgs, system, ... }:
154 (hostName: { config, ... }:
156 inherit (config.system) build;
157 scriptApp = scriptName: ps: script: {
159 program = (pkgs.writeShellScript "${hostName}-${scriptName}" ''
160 export PATH="${lib.makeBinPath ([ pkgs.coreutils ] ++ ps)}:$PATH"
167 # Example: nix run .#aubergine.switch
168 "switch" = scriptApp "switch" [ ] ''
171 chmod -R g-rwx,o-rwx **/*.gpg
172 trap 'git reset **/*.gpg' EXIT
173 git rm -rf --cached --ignore-unmatch **/*.gpg # prevent copying to /nix/store
175 nix-store --add-root hosts/${hostName}.nixpkgs --indirect --realise ${nixpkgsPath}
176 nix-store --add-root hosts/${hostName}.root --indirect --realise ${build.toplevel}
178 nix copy --to "ssh://${config.install.target}?''${targetStore-}"${lib.optionalString config.install.substituteOnDestination " --substitute-on-destination"} ${build.toplevel}
180 if ssh ${config.install.target} set -x ';' \
181 systemctl reset-failed nixos-fallback '2>/dev/null' ';' \
182 test "''${NO_NIXOS_FALLBACK:+set}" '||' \
183 systemd-run -u nixos-fallback --description=nixos-fallback /bin/sh -xc '''\'''
184 PATH=${with pkgs; lib.makeBinPath [ coreutils nix systemd ]}
186 ${profile}/bin/switch-to-configuration switch
189 ${build.toplevel}/bin/switch-to-configuration test
191 ssh ${config.install.target} -o ControlPath=none set -x ';' \
192 systemctl stop nixos-fallback.service ';' \
193 nix-env --profile ${profile} --set '${build.toplevel}' ';' \
194 ${build.toplevel}/bin/switch-to-configuration boot '&&' \
195 nix-env --delete-generations 7d --profile ${profile}
198 echo WARNING: switch-to-configuration was not registered at boot
200 ssh ${config.install.target} -o ControlPath=none set -x ';' \
201 systemctl stop nixos-fallback.service
206 nixosConfigurations);
209 checks = forAllSystems (args: with args; {
210 pre-commit-check = inputs.pre-commit-hooks.lib.${system}.run {
213 nixpkgs-fmt.enable = true;
219 formatter = forAllSystems ({ pkgs, ... }:
220 inputs.nix-formatter-pack.lib.mkFormatter {
224 deadnix.enable = true;
225 nixpkgs-fmt.enable = true;
226 statix.enable = true;