nvim: qol on lualine, bufferline, use nixd as nix lsp

home/dot_config/nvim/lsp/nixd.lua

@@ -0,0 +1,22 @@
+---@type vim.lsp.Config
+return {
+  cmd = { "nixd" },
+  root_markers = { "flake.nix", "flake.lock" },
+  filetypes = { "nix" },
+  settings = {
+    nixpkgs = {
+      expr = "import <nixpkgs> { }",
+    },
+    formatting = {
+      command = { "alejandra" },
+    },
+    options = {
+      nixos = {
+        expr = '(builtins.getFlake ("git+file://" + toString ./.)).nixosConfigurations.k-on.options',
+      },
+      home_manager = {
+        expr = '(builtins.getFlake ("git+file://" + toString ./.)).homeConfigurations."ruixi@k-on".options',
+      },
+    },
+  },
+}