fix: 🥱

lua/plugins/config/lsp/servers.lua

@@ -3,21 +3,44 @@ local M = {}
 
 local util = require 'lspconfig.util'
 
+-- Get clang-wrapper resource-root for Nix environments
+local function get_clang_resource_dir()
+  -- Try to find clang-wrapper's resource-root
+  local handle = io.popen('ls -d /nix/store/*clang-wrapper*/resource-root 2>/dev/null | head -1')
+  if handle then
+    local resource_root = handle:read('*l')
+    handle:close()
+    if resource_root and resource_root ~= '' then
+      return resource_root
+    end
+  end
+  return nil  -- Let clangd use its default
+end
+
 function M.get_servers()
+  -- Build clangd command
+  local clangd_cmd = {
+    'clangd',
+    '--query-driver=/nix/store/*/bin/clang*',
+    '--background-index',
+    '--clang-tidy',
+    '--enable-config',
+    '--fallback-style=llvm',
+    '--function-arg-placeholders',
+    '--header-insertion-decorators',
+    '--header-insertion=iwyu',
+  }
+  
+  -- Add resource-dir if in Nix environment
+  local resource_dir = get_clang_resource_dir()
+  if resource_dir then
+    table.insert(clangd_cmd, '--resource-dir=' .. resource_dir)
+  end
+
   return {
     -- C/C++ Language Server
     clangd = {
-      cmd = {
-        'clangd',
-        '--query-driver=/nix/store/*/bin/clang*',
-        '--background-index',
-        '--clang-tidy',
-        '--enable-config',
-        '--fallback-style=llvm',
-        '--function-arg-placeholders',
-        '--header-insertion-decorators',
-        '--header-insertion=iwyu',
-      },
+      cmd = clangd_cmd,
       filetypes = { 'c', 'cpp', 'objc', 'objcpp', 'cuda' },
       -- Look for project markers - clangd will find compile_commands.json itself
       root_dir = util.root_pattern(