feat(nvim): add rust lsp

common/home/neovim/langs/default.nix

@@ -17,6 +17,7 @@ in {
     ./markdown.nix
     ./nix.nix
     ./python.nix
+    ./rust.nix
     ./web.nix
   ];
 

common/home/neovim/langs/rust.nix

@@ -0,0 +1,36 @@
+{
+  config,
+  pkgs,
+  lib,
+  ...
+}: let
+  inherit (config.vars) neovimIde;
+in
+  lib.mkIf neovimIde {
+    programs = {
+      neovim = {
+        extraPackages = with pkgs; [
+          cargo
+          rustc
+          rust-analyzer
+          rustfmt
+        ];
+
+        extraLuaConfig =
+          /*
+          lua
+          */
+          ''
+            vim.api.nvim_create_autocmd('FileType', {
+               pattern = { 'rust' },
+               command = 'setlocal ts=4 sw=4 sts=0 expandtab',
+            });
+
+            local lsp = require('lspconfig');
+            local coq = require('coq');
+
+            lsp.rust_analyzer.setup(coq.lsp_ensure_capabilities({}));
+          '';
+      };
+    };
+  }