vim: experiment with nixd, add ultisnips to nvim-cmp

home/vimrc.lua

@@ -114,6 +114,11 @@ vim.api.nvim_create_autocmd('LspAttach', {
 -- map buffer local keybindings when the language server attaches
 local cmp = require 'cmp'
 cmp.setup({
+	snippet = {
+		expand = function(args)
+			vim.fn["UltiSnips#Anon"](args.body)
+		end,
+	},
 	sources = cmp.config.sources({
 		{ name = 'nvim_lsp' },
 		{ name = 'buffer' },
@@ -132,7 +137,7 @@ cmp.setup({
 		["<S-Tab>"] = cmp.mapping({
 			i = function(fallback)
 				if cmp.visible() then
-					cmp.select_prev_item({ behavior = cmp.SelectBehavior.Insert })
+					cmp.select_prev_item({ behavior = cmp.SelectBehavimr.Insert })
 				else
 					fallback()
 				end
@@ -168,10 +173,27 @@ cmp.setup({
 	}
 })
 
-local servers = { 'pyright', 'rust_analyzer', 'ccls', 'lua_ls', 'rnix', 'texlab', 'verible' }
+local servers = { 'pyright', 'rust_analyzer', 'ccls', 'lua_ls', 'nixd', 'texlab', 'verible' }
 local capabilities = require('cmp_nvim_lsp').default_capabilities()
+local on_attach = function(bufnr)
+	vim.api.nvim_create_autocmd("CursorHold", {
+		buffer = bufnr,
+		callback = function()
+			local opts = {
+				focusable = false,
+				close_events = { "BufLeave", "CursorMoved", "InsertEnter", "FocusLost" },
+				border = "rounded",
+				source = "always",
+				prefix = " ",
+				scope = "line",
+			}
+			vim.diagnostic.open_float(nil, opts)
+		end,
+	})
+end
 for _, lsp in pairs(servers) do
 	require('lspconfig')[lsp].setup {
+		on_attach = on_attach(),
 		capabilities = capabilities
 	}
 end

home/vimrc.nix

@@ -3,27 +3,32 @@
   vimUtils,
   fetchFromGitHub,
 }: {
-  extraPackages = [
-    pkgs.ccls
-    pkgs.clang
-    pkgs.luaformatter
-    pkgs.nil
-    pkgs.pyright
-    pkgs.rnix-lsp
-    pkgs.rust-analyzer
-    pkgs.sumneko-lua-language-server
-    pkgs.svls
-    pkgs.texlab
-    pkgs.tree-sitter
-    pkgs.zls
-    pkgs.verible
+  extraPackages = with pkgs; [
+    ccls
+    clang
+    luaformatter
+    nixd
+    pyright
+    rust-analyzer
+    sumneko-lua-language-server
+    svls
+    texlab
+    tree-sitter
+    verible
+    zls
   ];
 
   plugins = with pkgs.vimPlugins; [
+    cmp-buffer
+    cmp-cmdline
+    cmp-nvim-lsp
+    cmp-nvim-ultisnips
+    cmp-path
     colorizer
     fugitive
     fzf-vim
     gruvbox
+    nvim-cmp
     nvim-lspconfig
     nvim-treesitter
     nvim-ts-rainbow
@@ -35,10 +40,5 @@
     vim-slime
     vim-snippets
     zig-vim
-    cmp-nvim-lsp
-    cmp-buffer
-    cmp-path
-    cmp-cmdline
-    nvim-cmp
   ];
 }