feat/chore: rewrite git with job and some other fixes (#743)

* feat/chore: rewrite git with job and some other fixes

* fix: fs clear window, rename echo_warning -> warn

also fix renaming and add an event blocker to avoid running many events
at the same time

lua/nvim-tree/view.lua

@@ -304,7 +304,9 @@ local function is_buf_valid(bufnr)
 end
 
 function M.open(options)
+  local should_redraw = false
   if not is_buf_valid(M.View.bufnr) then
+    should_redraw = true
     create_buffer()
   end
 
@@ -322,6 +324,7 @@ function M.open(options)
 	if not opts.focus_tree then
 		vim.cmd("wincmd p")
 	end
+  return should_redraw
 end
 
 local function get_existing_buffers()