use rust-tools

resolve conflicts with nvim-lsp-installer

simrat39/rust-tools.nvim#89

lua/user/lsp/lsp-installer.lua

@@ -26,7 +26,37 @@ lsp_installer.on_server_ready(function(server)
     opts = vim.tbl_deep_extend("force", pyright_opts, opts)
   end
 
-  -- This setup() function is exactly the same as lspconfig's setup function.
-  -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
-  server:setup(opts)
+  if server.name == "rust_analyzer" then
+    local rustopts = {
+      tools = {
+        autoSetHints = true,
+        hover_with_actions = false,
+        inlay_hints = {
+          show_parameter_hints = true,
+          parameter_hints_prefix = "",
+          other_hints_prefix = "",
+        },
+      },
+      server = vim.tbl_deep_extend("force", server:get_default_options(), opts, {
+        settings = {
+          ["rust-analyzer"] = {
+            completion = {
+              postfix = {
+                enable = false
+              }
+            },
+            checkOnSave = {
+              command = "clippy"
+            },
+          }
+        }
+      }),
+    }
+    require("rust-tools").setup(rustopts)
+    server:attach_buffers()
+  else
+    -- This setup() function is exactly the same as lspconfig's setup function.
+    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
+    server:setup(opts)
+  end
 end)

lua/user/plugins.lua

@@ -62,6 +62,7 @@ return packer.startup(function(use)
   -- LSP
   use "neovim/nvim-lspconfig" -- enable LSP
   use "williamboman/nvim-lsp-installer" -- simple to use language server installer
+  use "simrat39/rust-tools.nvim"
 
   -- Telescope (fuzz search)
   use "nvim-lua/plenary.nvim"