nvim: Migrate configuration to lua and built-in plugin manager

nvim/lua/plugins/cmp.lua

@@ -1,33 +1,22 @@
-return {
-    "hrsh7th/nvim-cmp",
-    lazy = true,
-    event = "InsertEnter",
-    dependencies = {
-        "hrsh7th/cmp-buffer",
-        "hrsh7th/cmp-path",
-    },
-    config = function()
-        local cmp = require("cmp")
+vim.pack.add({
+    gh("hrsh7th/nvim-cmp"),
+    gh("hrsh7th/cmp-nvim-lsp"),
+    gh("hrsh7th/cmp-buffer"),
+    gh("hrsh7th/cmp-path"),
+})
 
-        cmp.setup({
-            mapping = cmp.mapping.preset.insert({
-                ["<C-d>"] = cmp.mapping.scroll_docs(-4),
-                ["<C-f>"] = cmp.mapping.scroll_docs(4),
-                ["<C-Space>"] = cmp.mapping.complete(),
-                ["<C-e>"] = cmp.mapping.close(),
-                -- Accept currently selected item. Set `select` to `false` to only confirm explicitly selected items.
-                ['<CR>'] = cmp.mapping.confirm({ select = false }),
-            }),
-            sources = cmp.config.sources({
-                { name = "nvim_lsp" },
-                { name = "buffer" },
-                { name = "path" },
-            }),
-        })
-
-        vim.cmd([[
-            set completeopt=menuone,noinsert,noselect
-            highlight! default link CmpItemKind CmpItemMenuDefault
-        ]])
-    end,
-}
+local cmp = require("cmp")
+cmp.setup({
+    mapping = cmp.mapping.preset.insert({
+        ["<C-d>"] = cmp.mapping.scroll_docs(-4),
+        ["<C-f>"] = cmp.mapping.scroll_docs(4),
+        ["<C-Space>"] = cmp.mapping.complete(),
+        ["<C-e>"] = cmp.mapping.close(),
+        ['<CR>'] = cmp.mapping.confirm({ select = false }),
+    }),
+    sources = cmp.config.sources({
+        { name = "nvim_lsp" },
+        { name = "buffer" },
+        { name = "path" },
+    }),
+})