Complete the completion setup

roles/neovim/files/lua/plugins/options/completion.lua

@@ -2,30 +2,33 @@
 
 vim.opt.completeopt = { 'menu', 'menuone', 'noselect' }
 local cmp = require'cmp'
-
-cmp.setup({
-  snippet = {
-    expand = function(args)
-      require('luasnip').lsp_expand(args.body) -- For `luasnip` users.
-    end,
-  },
-  window = {
-    -- completion = cmp.config.window.bordered(),
-    -- documentation = cmp.config.window.bordered(),
-  },
-  mapping = cmp.mapping.preset.insert({
-    ['<C-b>'] = cmp.mapping.scroll_docs(-4),
-    ['<C-f>'] = cmp.mapping.scroll_docs(4),
-    ['<C-Space>'] = cmp.mapping.complete(),
-    ['<C-e>'] = cmp.mapping.abort(),
-    ['<Tab>'] = cmp.mapping.select_next_item(),
-    ['<S-Tab>'] = cmp.mapping.select_prev_item(),
-    ['<CR>'] = cmp.mapping.confirm({ select = false }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
-  }),
-  sources = cmp.config.sources({
-    { name = 'nvim_lsp' },
-    { name = 'luasnip' },
-  }, {
+if cmp then
+  cmp.setup({
+    snippet = {
+      expand = function(args)
+        require('luasnip').lsp_expand(args.body)
+      end,
+    },
+    window = {
+      -- completion = cmp.config.window.bordered(),
+      -- documentation = cmp.config.window.bordered(),
+    },
+    mapping = cmp.mapping.preset.insert({
+      ['<C-b>'] = cmp.mapping.scroll_docs(-4),
+      ['<C-f>'] = cmp.mapping.scroll_docs(4),
+      ['<C-Space>'] = cmp.mapping.complete(),
+      ['<C-e>'] = cmp.mapping.abort(),
+      ['<Tab>'] = cmp.mapping.select_next_item(),
+      ['<S-Tab>'] = cmp.mapping.select_prev_item(),
+      ['<CR>'] = cmp.mapping.confirm({ select = false }), -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
+    }),
+    sources = cmp.config.sources({
+      { name = 'nvim_lua' },
+      { name = 'nvim_lsp' },
+      { name = 'path' },
+      { name = 'luasnip' },
       { name = 'buffer' },
-    })
-})
+    }),
+    experimental = { ghost_text = true }
+  })
+end

roles/neovim/files/lua/plugins/packer.lua

@@ -22,9 +22,10 @@ return require('packer').startup(function(use)
 
   -- Completion
   use 'hrsh7th/nvim-cmp'
-  use 'hrsh7th/cmp-nvim-lsp'
   use 'hrsh7th/cmp-buffer'
   use 'hrsh7th/cmp-path'
+  use 'hrsh7th/cmp-nvim-lua'
+  use 'hrsh7th/cmp-nvim-lsp'
 
   -- LuaSnip
   use 'L3MON4D3/LuaSnip'