Check for nix executable rather than NixOS in uname

lua/plugins/notify.lua

@@ -6,6 +6,6 @@ return {
     opts = {
         background_colour = "#000000",
         fps = 60,
-        render = "compact",
+        render = "default",
     },
 }

lua/plugins/nvim_neorg.lua

@@ -1,6 +1,6 @@
 return {
     "nvim-neorg/neorg",
-    cond = function() return string.match(vim.loop.os_uname().version, "NixOS") and not vim.g.vscode end,
+    cond = function() return vim.fn.executable("nix") == 1 and not vim.g.vscode end,
     build = ":Neorg sync-parsers",
     event = { "FileType norg" },
     cmd = "Neorg",

lua/plugins/treesitter.lua

@@ -1,17 +1,10 @@
-local dependencies
-if vim.g.vscode then
-    dependencies = { "nvim-treesitter/nvim-treesitter-refactor" }
-else
-    dependencies = { "nvim-treesitter/nvim-treesitter-refactor", "nvim-neorg/neorg" }
-end
-
 return {
     "nvim-treesitter/nvim-treesitter",
-    cond = function() return string.match(vim.loop.os_uname().version, "NixOS") end,
+    cond = function() return vim.fn.executable "nix" == 1 end,
     version = false,
     build = ":TSUpdate",
     event = { "BufReadPre", "BufNewFile" },
-    dependencies = dependencies,
+    dependencies = { "nvim-treesitter/nvim-treesitter-refactor", "nvim-neorg/neorg" },
     config = function(_, opts)
         if type(opts.ensure_installed) == "table" then
             -- @type table<string, boolean>