Feat: autoinstall packer

nvim/.config/nvim/lua/plugins.lua

@@ -1,7 +1,44 @@
--- Only required if you have packer configured as `opt`
-vim.cmd [[packadd packer.nvim]]
+local fn = vim.fn
 
-return require('packer').startup(function()
+-- Automatically install packer
+local install_path = fn.stdpath "data" .. "/site/pack/packer/start/packer.nvim"
+if fn.empty(fn.glob(install_path)) > 0 then
+  PACKER_BOOTSTRAP = fn.system {
+    "git",
+    "clone",
+    "--depth",
+    "1",
+    "https://github.com/wbthomason/packer.nvim",
+    install_path,
+  }
+  print "Installing packer close and reopen Neovim..."
+  vim.cmd [[packadd packer.nvim]]
+end
+
+-- Autocommand that reloads neovim whenever you save the plugins.lua file
+vim.cmd [[
+  augroup packer_user_config
+    autocmd!
+    autocmd BufWritePost plugins.lua source <afile> | PackerSync
+  augroup end
+]]
+
+-- Use a protected call so we don't error out on first use
+local status_ok, packer = pcall(require, "packer")
+if not status_ok then
+  return
+end
+
+-- Have packer use a popup window
+packer.init {
+  display = {
+    open_fn = function()
+      return require("packer.util").float { border = "rounded" }
+    end,
+  },
+}
+
+return packer.startup(function(use)
     -- Packer can manage itself
     use 'wbthomason/packer.nvim'
     use 'morhetz/gruvbox'
@@ -83,4 +120,7 @@ return require('packer').startup(function()
         config = [[require('config.colorizer')]],
     }
 
+    if PACKER_BOOTSTRAP then
+        require("packer").sync()
+    end
 end)