Delay one eventloop roundtrip for lualine

The whole lualine thing is way too cursed. Our workarounds work much
better if we delay the update until lualine has set all local
statuslines.

The clearstl option is still a bit broken with lualine though.

Also see commit 14cd2d4

Author: vimpostor

autoload/tpipeline.vim

@@ -33,11 +33,9 @@ func tpipeline#build_hooks()
 		endif
 
 		if empty(g:tpipeline_statusline) && !g:tpipeline_tabline
-			if g:tpipeline_clearstl
-				if tpipeline#lualine#is_lualine()
-					au OptionSet statusline if v:option_type == 'local' | call tpipeline#lualine#clear_all_stl() | endif
-					au ModeChanged * call tpipeline#lualine#clear_all_stl()
-				endif
+			if tpipeline#lualine#is_lualine()
+				au OptionSet statusline call tpipeline#lualine#delay_eval()
+			elseif g:tpipeline_clearstl
 				au OptionSet statusline if v:option_type == 'global' | call tpipeline#util#clear_stl() | endif
 			endif
 			au OptionSet statusline call tpipeline#update()

autoload/tpipeline/lualine.vim

@@ -8,3 +8,15 @@ func tpipeline#lualine#clear_all_stl()
 		noa call win_execute(win_getid(i), 'setlocal stl<')
 	endfor
 endfunc
+
+func tpipeline#lualine#fix_stl()
+	noa let g:tpipeline_statusline = getwinvar(win_getid(), '&stl')
+	if g:tpipeline_clearstl
+		call tpipeline#lualine#clear_all_stl()
+	endif
+	call tpipeline#update()
+endfunc
+
+func tpipeline#lualine#delay_eval()
+	let s:timer = timer_start(0, {-> tpipeline#lualine#fix_stl()})
+endfunc