From cb5a6aa05c7cd32fdd1f6134672629f43877f5aa Mon Sep 17 00:00:00 2001
From: Oliver Davies <oliver@oliverdavies.dev>
Date: Thu, 22 May 2025 08:53:04 +0100
Subject: [PATCH] Configure lua-language-server and nixd

---
 .nvim.lua | 62 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 flake.nix |  3 ++-
 2 files changed, 64 insertions(+), 1 deletion(-)

diff --git a/.nvim.lua b/.nvim.lua
index 75c9c505..2f839b98 100644
--- a/.nvim.lua
+++ b/.nvim.lua
@@ -3,3 +3,65 @@ vim.keymap.set("n", "<leader>fn", function()
     cwd = "modules/home-manager/coding/neovim/config"
   })
 end)
+
+require("conform").setup {
+  formatters_by_ft = {
+    lua = { "stylua" },
+    nix = { "nixfmt" },
+  },
+}
+
+require("lint").linters_by_ft = {
+  lua = { "luacheck" },
+  nix = { "nix" },
+}
+
+local lspconfig = require "lspconfig"
+
+local capabilities = require("cmp_nvim_lsp").default_capabilities(vim.lsp.protocol.make_client_capabilities())
+
+lspconfig.lua_ls.setup {
+  capabilities = capabilities,
+
+  settings = {
+    Lua = {
+      completion = {
+        callSnippet = "Replace",
+      },
+
+      diagnostics = {
+        globals = { "vim" },
+      },
+
+      runtime = {
+        version = "LuaJIT",
+      },
+
+      telemetry = {
+        enabled = false,
+      },
+
+      workspace = {
+        library = vim.api.nvim_get_runtime_file("", true),
+      },
+    },
+  },
+}
+
+lspconfig.nixd.setup {
+  capabilities = capabilities,
+
+  cmd = { "nixd" },
+
+  settings = {
+    nixd = {
+      nixpkgs = {
+        expr = "import <nixpkgs> { }",
+      },
+
+      formatting = {
+        command = "nix fmt",
+      },
+    },
+  },
+}
diff --git a/flake.nix b/flake.nix
index 5a17ef04..f45828db 100644
--- a/flake.nix
+++ b/flake.nix
@@ -54,8 +54,9 @@
     {
       devShells.${system}.default = pkgs.mkShell {
         packages = with pkgs; [
-          lua54Packages.luacheck
           just
+          lua-language-server
+          lua54Packages.luacheck
           nixd
         ];
       };