feat: impure symlink

.envrc

@@ -0,0 +1 @@
+export IMPURE_ROOT=$(pwd)

Justfile

@@ -1,28 +1,29 @@
+root := `pwd`
+NH := "IMPURE_ROOT=" + root + " nh"
+
 all: fmt switch
 
 switch:
 	@echo "Rebuilding NixOS..."
-	@nh os switch .
+	@{{NH}} os switch . --impure
 
 switch-offline:
 	@echo "Rebuilding NixOS without net..."
-	@nh os switch . --no-net
+	@{{NH}} os switch . --impure --no-net
 
-offline:
+alias offline := switch-offline
-	@echo "Rebuilding NixOS without net..."
-	@nh os switch . --no-net
 
 boot:
 	@echo "Rebuilding NixOS..."
-	@nh os boot .
+	@{{NH}} os boot . --impure
 
 test:
 	@echo "Rebuilding NixOS..."
-	@nh os test .
+	@{{NH}} os test . --impure
 
 vm:
 	@echo "Building NixOS VM..."
-	@nh os build-vm .
+	@{{NH}} os build-vm . --impure
 
 update:
 	@echo "Updating flakes..."
@@ -47,5 +48,3 @@ gc:
 fmt:
 	@echo "Formatting nix files..."
 	@nix fmt
-
-.PHONY: all switch switch-offline boot test vm update repl cleandry clean gc fmt

README.md

@@ -10,7 +10,7 @@ Currently, this repository contains the nix code that builds:
 2. NixOS home server
 3. NixOS WSL
 
-See [./config/hosts](./config/hosts) for details of each host.
+See [./hosts](./hosts) for details of each host.
 
 ## Why NixOS & Flakes?
 
@@ -25,23 +25,6 @@ As for Flakes, refer to
 This configuration uses [flake-parts](https://flake.parts/) for better flake organization and modularity,
 enabling declarative host definitions and cleaner separation of concerns.
 
-## Components
-
-|                               | NixOS(Wayland)                               |
-| ----------------------------- | :------------------------------------------- |
-| **Window Manager**            | Niri                                         |
-| **Desktop Shell**             | Noctalia Shell                               |
-| **Terminal Emulator**         | Kitty                                        |
-| **Input method framework**    | Fcitx5                                       |
-| **Shell**                     | Zsh                                          |
-| **Netease Cloudmusic Player** | go-musicfox                                  |
-| **Media Player**              | mpv                                          |
-| **Text Editor**               | Neovim                                       |
-| **Fonts**                     | Noto Sans CJK & Jetbrains Mono & Nerd Font   |
-| **Filesystem**                | Btrfs                                        |
-
-And more...
-
 ## Folder Structure
 
 - `modules/` - custom NixOS modules
@@ -55,7 +38,7 @@ And more...
   - `profiles/desktop.nix` - desktop environment configuration
   - `profiles/server.nix` - server-specific configuration
   - `profiles/wsl.nix` - WSL-specific configuration
-- `config/hosts/<name>/` - host-specific configs
+- `hosts/<name>/` - host-specific configs
 - `flake/` - flake-parts modules
   - `flake/hosts.nix` - declarative host definitions
 - `lib/` - custom nix library
@@ -63,4 +46,4 @@ And more...
 - `overlays/` - nixpkgs overlays
 - `vars.nix` - my variables
 - `secrets/` - secrets managed by sops-nix. see [./secrets](./secrets) for details
-- `flake.nix` - flake entry
+- `flake.nix` - flake entry

flake/hosts.nix

@@ -51,7 +51,7 @@ in
               type = lib.types.listOf lib.types.deferredModule;
               default = (
                 lib.umport {
-                  paths = [ ../config/hosts/${name} ];
+                  paths = [ ../hosts/${name} ];
                   extraExcludePredicate = path: lib.hasInfix "/_" (toString path);
                   recursive = true;
                 }

lib/default.nix

@@ -1,8 +1,8 @@
 { lib, inputs }:
 lib.extend (
   self: super: {
-    umport = import ./umport.nix { lib = self; };
     inherit (inputs.home-manager.lib) hm;
+    umport = import ./umport.nix { lib = self; };
     haumea = inputs.haumea.lib;
     infuse = (import inputs.infuse { inherit lib; }).v1.infuse;
   }

modules/coding/editor/neovim/default.nix

@@ -2,6 +2,7 @@
   config,
   lib,
   pkgs,
+  impure,
   ...
 }:
 let
@@ -14,11 +15,8 @@ in
 
   config = lib.mkIf cfg.enable {
     my.hm = {
-      xdg.configFile."nvim/init.lua".source = ./nvim/init.lua;
+      xdg.configFile."nvim/init.lua".source = impure.mkImpureLink ./nvim/init.lua;
-      xdg.configFile."nvim/lua" = {
+      xdg.configFile."nvim/lua".source = impure.mkImpureLink ./nvim/lua;
-        source = ./nvim/lua;
-        recursive = true;
-      };
       programs.neovim = {
         enable = true;
         defaultEditor = true;

modules/coding/misc.nix

@@ -15,6 +15,7 @@ in
   config = lib.mkIf cfg.enable {
     my.hm = {
       home.packages = with pkgs; [
+        just
         gnumake
         github-cli # gh
       ];

modules/impure.nix

@@ -0,0 +1,26 @@
+{
+  lib,
+  pkgs,
+  self,
+  ...
+}:
+let
+  relativePath =
+    path:
+    assert lib.types.path.check path;
+    lib.strings.removePrefix (toString self) (toString path);
+  mkImpureLink =
+    path:
+    let
+      relative = relativePath path;
+    in
+    pkgs.runCommandLocal relative { } "ln -s ${lib.escapeShellArg (impureRoot + relative)} $out";
+  impureRoot =
+    let
+      impureRoot = builtins.getEnv "IMPURE_ROOT";
+    in
+    if impureRoot == "" then throw "IMPURE_ROOT is not set" else impureRoot;
+in
+{
+  _module.args.impure = { inherit mkImpureLink; };
+}