feat(nvim): enable rust lsp support

home-mandlm.nix

@@ -32,6 +32,7 @@
       terraform-ls
       tflint
       nodePackages.bash-language-server
+      rust-analyzer
     ];
 
     stateVersion = "22.05";
@@ -143,6 +144,7 @@
         # LSP
         nvim-lspconfig
         lsp-status-nvim
+        rust-tools-nvim
       ];
 
       extraConfig = ''
@@ -150,6 +152,7 @@
         ${builtins.readFile ./nvim/lua/keymaps.lua }
         ${builtins.readFile ./nvim/lua/options.lua }
         ${builtins.readFile ./nvim/lua/plugins/treesitter.lua }
+
         ${builtins.readFile ./nvim/lua/plugins/lspconfig.lua }
 
         require("toggleterm").setup({ size = 32, open_mapping = [[<F4>]] })

nvim/lua/plugins/lspconfig.lua

@@ -27,7 +27,7 @@ local on_attach = function(client, bufnr)
             group = augroup,
             buffer = bufnr,
             callback = function()
-                vim.lsp.buf.formatting_sync()
+                vim.lsp.buf.formatting_sync({}, 3000)
             end,
         })
     end
@@ -63,10 +63,28 @@ local servers = {
 
 local lspconfig = require("lspconfig")
 
-for lsp, config in pairs(servers) do
+for lsp, settings in pairs(servers) do
     lspconfig[lsp].setup({
-        settings = config or {},
+        settings = settings,
         on_attach = on_attach,
         capabilities = capabilities,
     })
 end
+
+require("rust-tools").setup({
+    server = {
+        on_attach = on_attach,
+        settings = {
+            ["rust-analyzer"] = {
+                cargo = {
+                    loadOutDirsFromCheck = true,
+                },
+                checkOnSave = { command = "clippy" },
+                procMacro = {
+                    enable = true,
+                },
+            },
+        },
+        capabilities = capabilities,
+    },
+})