Remove new_async():send() pattern + restructure augroup

This does not load load lualine asyncronasly rather fools the profilers
In addition causes issues like intro disapearing

lua/lualine/components/branch.lua

@@ -18,7 +18,7 @@ Branch.new = function(self, options, child)
   -- run watch head on load so branch is present when component is loaded
   Branch.update_branch()
   -- update branch state of BufEnter as different Buffer may be on different repos
-  vim.cmd [[autocmd BufEnter * lua require'lualine.components.branch'.update_branch()]]
+  vim.cmd [[autocmd lualine BufEnter * lua require'lualine.components.branch'.update_branch()]]
   return new_branch
 end
 

lua/lualine/init.lua

@@ -167,9 +167,6 @@ end
 local function tabline() return statusline(config.tabline, true) end
 
 local function setup_theme()
-  local async_loader
-  async_loader = vim.loop.new_async(vim.schedule_wrap(
-                                        function()
   local function get_theme_from_config()
     local theme_name = config.options.theme
     if type(theme_name) == 'string' then
@@ -186,14 +183,9 @@ local function setup_theme()
   end
   local theme = get_theme_from_config()
   highlight.create_highlight_groups(theme)
-        vim.api.nvim_exec([[
+  vim.cmd [[
-          augroup lualine
+    autocmd lualine ColorScheme * lua require'lualine.utils.utils'.reload_highlights()
-            autocmd ColorScheme * lua require'lualine.utils.utils'.reload_highlights()
+    ]]
-          augroup END
-          ]], false)
-        async_loader:close()
-      end))
-  async_loader:send()
 end
 
 local function set_tabline()
@@ -207,16 +199,21 @@ local function set_statusline()
   if next(config.sections) ~= nil or next(config.inactive_sections) ~= nil then
     vim.o.statusline = '%!v:lua.require\'lualine\'.statusline()'
     vim.api.nvim_exec([[
-      augroup lualine
+      autocmd lualine WinLeave,BufLeave * lua vim.wo.statusline=require'lualine'.statusline()
-        autocmd!
+      autocmd lualine BufWinEnter,WinEnter,BufEnter,SessionLoadPost * set statusline<
-        autocmd WinLeave,BufLeave * lua vim.wo.statusline=require'lualine'.statusline()
+      autocmd lualine VimResized * redrawstatus
-        autocmd BufWinEnter,WinEnter,BufEnter,SessionLoadPost * set statusline<
-        autocmd VimResized * redrawstatus
-      augroup END
     ]], false)
   end
 end
 
+local function setup_augroup()
+  vim.cmd [[
+    augroup lualine
+      autocmd!
+    augroup END
+  ]]
+end
+
 local function setup(user_config)
   if user_config then
     config = config_module.apply_configuration(user_config)
@@ -229,6 +226,7 @@ local function setup(user_config)
   else
     config = config_module.apply_configuration({})
   end
+  setup_augroup()
   setup_theme()
   loader.load_all(config)
   set_statusline()

lua/lualine/utils/loader.lua

@@ -24,9 +24,6 @@ local function component_loader(component)
 end
 
 local function load_sections(sections, options)
-  local async_loader
-  async_loader = vim.loop.new_async(vim.schedule_wrap(
-                                        function()
   for section_name, section in pairs(sections) do
     for index, component in pairs(section) do
       if type(component) == 'string' or type(component) == 'function' then
@@ -39,9 +36,6 @@ local function load_sections(sections, options)
       section[index] = component_loader(component)
     end
   end
-        async_loader:close()
-      end))
-  async_loader:send()
 end
 
 local function load_components(config)