fix: cmp finally works?

nix/base-system/init.lua

@@ -1,7 +1,7 @@
 -- theming
 -- Default options
---vim.opt.termguicolors = true
+vim.opt.termguicolors = true
---vim.cmd.colorscheme 'duskfox'
+vim.cmd.colorscheme 'duskfox'
 
 -- turn on relative line numbers
 vim.opt.relativenumber = true
@@ -52,16 +52,6 @@ vim.cmd([[
 au BufNewFile,BufRead *.hrl filetype indent off
 ]])
 
-----Set completeopt to have a better completion experience
----- :help completeopt
----- menuone: popup even when there's only one match
----- noinsert: Do not insert text until a selection is made
----- noselect: Do not select, force to select one from the menu
----- shortness: avoid showing extra messages when using completion
----- updatetime: set updatetime for CursorHold
---vim.opt.completeopt = {'menuone', 'noselect', 'noinsert'}
---vim.opt.shortmess = vim.opt.shortmess + { c = true}
---vim.api.nvim_set_option('updatetime', 300) 
 --
 --https://github.com/neovim/nvim-lspconfig/blob/master/doc/server_configurations.md
 -- TODO(jwall): See about proper snippet support (ie. license comments?)
@@ -74,7 +64,16 @@ cmp.setup({
         vim.fn["vsnip#anonymous"](args.body)
     end,
   },
-  mapping = cmp.mapping.preset.insert(),
+  mapping = cmp.mapping.preset.insert {
+    ['<C-k>'] = cmp.mapping.select_prev_item(),
+    ['<C-j>'] = cmp.mapping.select_next_item(),
+    ['<C-d>'] = cmp.mapping.scroll_docs(-4),
+    ['<C-f>'] = cmp.mapping.scroll_docs(4),
+    ['<CR>'] = cmp.mapping.confirm {
+      behavior = cmp.ConfirmBehavior.Replace,
+      select = true,
+    },
+  },
   -- Installed sources:
   sources = cmp.config.sources(
 	{
@@ -93,32 +92,13 @@ cmp.setup({
       completion = cmp.config.window.bordered(),
       documentation = cmp.config.window.bordered(),
   },
-  formatting = {
-      fields = {'menu', 'abbr', 'kind'},
-      format = function(entry, item)
-          local menu_icon ={
-              nvim_lsp = 'λ',
-              vsnip = '⋗',
-              buffer = 'Ω',
-              path = '🖫',
-          }
-          item.menu = menu_icon[entry.source.name]
-          return item
-      end,
-  },
 })
 
-local caps = vim.tbl_deep_extend(
-  'force',
-  vim.lsp.protocol.make_client_capabilities(),
-  {}
-);
-
 local lspconfig = require("lspconfig")
 local capabilities = require('cmp_nvim_lsp').default_capabilities()
 
 -- Nix language server support
-lspconfig.nil_ls.setup{}
+--lspconfig.nil_ls.setup{}
 
 local vim_pid = vim.fn.getpid()
 
@@ -149,16 +129,23 @@ lspconfig.omnisharp.setup {
 	handlers = {
 		["textDocument/definition"] = require('omnisharp_extended').handler,
 	},
+    capabilities = capabilities
 }
 
 --ocaml
-lspconfig.ocamllsp.setup{}
+lspconfig.ocamllsp.setup{
+  capabilities = capabilities
+}
 
 -- Java language server support
-lspconfig.java_language_server.setup{}
+lspconfig.java_language_server.setup{
+  capabilities = capabilities
+}
 
 -- Typescript language server support
-lspconfig.tsserver.setup{}
+lspconfig.tsserver.setup{
+  capabilities = capabilities
+}
 
 -- Rust language server support
 lspconfig.rust_analyzer.setup{
@@ -167,7 +154,7 @@ lspconfig.rust_analyzer.setup{
 
 -- lua language server setup.
 lspconfig.lua_ls.setup{
-    settings = {
+  settings = {
       Lua = {
 	    runtime = { version = 'LuaJIT', },
 		diagnostics = {
@@ -185,6 +172,7 @@ lspconfig.lua_ls.setup{
         },
 	  },
 	},
+  capabilities = capabilities
 }
 
 -- lsp configuration

nix/darwin/flake.lock

@@ -34,12 +34,12 @@
       },
       "locked": {
         "lastModified": 1,
-        "narHash": "sha256-uA4sSuHPv0RuNibC98a+mBh/GnMS1vXrwFIE1XP8AIs=",
+        "narHash": "sha256-KJ88AyD8/ZvqJOPPQmIlima5o21MEmFOOJzXRyGAfdE=",
-        "path": "/nix/store/pzjnc2vf0y96kai86a1m9m54m33lxwpq-source/nix/base-system",
+        "path": "/nix/store/bb6cc8gqhmh7rx05pyamshg1cq9bvrrh-source/nix/base-system",
         "type": "path"
       },
       "original": {
-        "path": "/nix/store/pzjnc2vf0y96kai86a1m9m54m33lxwpq-source/nix/base-system",
+        "path": "/nix/store/bb6cc8gqhmh7rx05pyamshg1cq9bvrrh-source/nix/base-system",
         "type": "path"
       }
     },