From 92a912a713ecf0a4e55a55a890fa0e9851bccb2a Mon Sep 17 00:00:00 2001
From: Snoweuph <snow@euph.email>
Date: Sat, 11 Apr 2026 18:01:21 +0200
Subject: [PATCH] lsp/presets/ols: init

---
 modules/plugins/lsp/presets/default.nix |  1 +
 modules/plugins/lsp/presets/ols.nix     | 29 +++++++++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 modules/plugins/lsp/presets/ols.nix

diff --git a/modules/plugins/lsp/presets/default.nix b/modules/plugins/lsp/presets/default.nix
index f0b0a442..1a497b49 100644
--- a/modules/plugins/lsp/presets/default.nix
+++ b/modules/plugins/lsp/presets/default.nix
@@ -5,6 +5,7 @@
     ./harper.nix
     ./intelephense.nix
     ./lemminx.nix
+    ./ols.nix
     ./openscad-lsp.nix
     ./phan.nix
     ./phpactor.nix
diff --git a/modules/plugins/lsp/presets/ols.nix b/modules/plugins/lsp/presets/ols.nix
new file mode 100644
index 00000000..9eb4e3ad
--- /dev/null
+++ b/modules/plugins/lsp/presets/ols.nix
@@ -0,0 +1,29 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}: let
+  inherit (lib.meta) getExe;
+  inherit (lib.modules) mkIf;
+  inherit (lib.options) mkEnableOption;
+  inherit (lib.generators) mkLuaInline;
+
+  cfg = config.vim.lsp.presets.ols;
+in {
+  options.vim.lsp.presets.ols = {
+    enable = mkEnableOption "the Odin Language Server";
+  };
+
+  config = mkIf cfg.enable {
+    vim.lsp.servers.ols = {
+      enable = true;
+      cmd = [(getExe pkgs.ols)];
+      root_dir = mkLuaInline ''
+        function(bufnr, on_dir)
+          local fname = vim.api.nvim_buf_get_name(bufnr)
+          on_dir(util.root_pattern('ols.json', '.git', '*.odin')(fname))
+        end'';
+    };
+  };
+}