Sync some opts from upstream

lua/opts.lua

@@ -1,3 +1,6 @@
+-- Set <space> as the leader key
+-- See `:help mapleader`
+--  NOTE: Must happen before plugins are loaded (otherwise wrong leader will be used)
 vim.g.mapleader = ' '
 vim.g.maplocalleader = ' '
 
@@ -10,12 +13,20 @@ vim.opt.relativenumber = true
 -- Don't show the mode, since it's already in the status line
 vim.opt.showmode = false
 
+-- Sync clipboard between OS and Neovim.
+--  Schedule the setting after `UiEnter` because it can increase startup-time.
+--  Remove this option if you want your OS clipboard to remain independent.
+--  See `:help 'clipboard'`
+vim.schedule(function()
+  vim.o.clipboard = 'unnamedplus'
+end)
+
 vim.opt.tabstop = 4
 vim.opt.softtabstop = 4
 vim.opt.shiftwidth = 4
 vim.opt.expandtab = true
 
-vim.opt.smartindent = true
+vim.o.breakindent = true
 
 vim.opt.wrap = false
 
@@ -41,7 +52,7 @@ vim.opt.smartcase = true
 vim.opt.signcolumn = 'yes'
 
 -- Decrease update time
-vim.opt.updatetime = 200
+vim.opt.updatetime = 250
 
 -- Decrease mapped sequence wait time
 -- Displays which-key popup sooner
@@ -51,13 +62,17 @@ vim.opt.timeoutlen = 300
 vim.opt.splitright = true
 vim.opt.splitbelow = true
 
+-- Preview substitutions live, as you type!
+vim.opt.inccommand = 'split'
 -- Sets how neovim will display certain whitespace characters in the editor.
---  See `:help 'list'`
+--  See `:help 'list'5
 --  and `:help 'listchars'`
 -- vim.opt.list = true
 -- vim.opt.listchars = { tab = '» ', trail = '·', nbsp = '␣' }
 
--- Preview substitutions live, as you type!
-vim.opt.inccommand = 'split'
+-- if performing an operation that would fail due to unsaved changes in the buffer (like `:q`),
+-- instead raise a dialog asking if you wish to save the current file(s)
+-- See `:help 'confirm'`
+vim.o.confirm = true
 
 --vim.cmd [[autocmd BufWritePre * lua vim.lsp.buf.format()]]