From 7eb32cfabcb56b3bd64aa61a52e8afbe3c0a0248 Mon Sep 17 00:00:00 2001
From: imxyy_soope_ <imxyy1soope1@gmail.com>
Date: Sun, 28 Dec 2025 10:47:21 +0800
Subject: [PATCH] feat: impure symlink

---
 .envrc                                   |  1 +
 Makefile => Justfile                     | 19 ++++++++---------
 lib/default.nix                          |  2 +-
 modules/coding/editor/neovim/default.nix |  8 +++-----
 modules/coding/misc.nix                  |  1 +
 modules/impure.nix                       | 26 ++++++++++++++++++++++++
 6 files changed, 41 insertions(+), 16 deletions(-)
 create mode 100644 .envrc
 rename Makefile => Justfile (78%)
 create mode 100644 modules/impure.nix

diff --git a/.envrc b/.envrc
new file mode 100644
index 0000000..9428f3c
--- /dev/null
+++ b/.envrc
@@ -0,0 +1 @@
+export IMPURE_ROOT=$(pwd)
diff --git a/Makefile b/Justfile
similarity index 78%
rename from Makefile
rename to Justfile
index ead411a..6f15483 100644
--- a/Makefile
+++ b/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:
-	@echo "Rebuilding NixOS without net..."
-	@nh os switch . --no-net
+alias offline := switch-offline
 
 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
diff --git a/lib/default.nix b/lib/default.nix
index 7ee789c..d8a7dbc 100644
--- a/lib/default.nix
+++ b/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;
   }
diff --git a/modules/coding/editor/neovim/default.nix b/modules/coding/editor/neovim/default.nix
index ffb3e12..7ed90bb 100644
--- a/modules/coding/editor/neovim/default.nix
+++ b/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/lua" = {
-        source = ./nvim/lua;
-        recursive = true;
-      };
+      xdg.configFile."nvim/init.lua".source = impure.mkImpureLink ./nvim/init.lua;
+      xdg.configFile."nvim/lua".source = impure.mkImpureLink ./nvim/lua;
       programs.neovim = {
         enable = true;
         defaultEditor = true;
diff --git a/modules/coding/misc.nix b/modules/coding/misc.nix
index 89ea1bf..6c79cff 100644
--- a/modules/coding/misc.nix
+++ b/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
       ];
diff --git a/modules/impure.nix b/modules/impure.nix
new file mode 100644
index 0000000..0b512db
--- /dev/null
+++ b/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; };
+}