From 0a178d17bc7a1c56cc4474582f2aa2ba463c1582 Mon Sep 17 00:00:00 2001
From: kiyan <yazdani.kiyan@protonmail.com>
Date: Sat, 28 Aug 2021 10:06:36 +0200
Subject: [PATCH] fix: double entries and wrong cursor value when using
 mksession

---
 lua/nvim-tree/lib.lua | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lua/nvim-tree/lib.lua b/lua/nvim-tree/lib.lua
index 759730e9..b39ee67f 100644
--- a/lua/nvim-tree/lib.lua
+++ b/lua/nvim-tree/lib.lua
@@ -25,6 +25,7 @@ M.Tree = {
 }
 
 function M.init(with_open, with_reload)
+  M.Tree.entries = {}
   if not M.Tree.cwd then
     M.Tree.cwd = luv.cwd()
   end
@@ -99,6 +100,10 @@ local function get_line_from_node(node, find_parent)
 end
 
 function M.get_node_at_cursor()
+  local winnr = view.get_winnr()
+  if not winnr then
+    return
+  end
   local cursor = api.nvim_win_get_cursor(view.get_winnr())
   local line = cursor[1]
   if view.is_help_ui() then
@@ -446,7 +451,6 @@ function M.change_dir(name)
 
   vim.cmd('lcd '..foldername)
   M.Tree.cwd = foldername
-  M.Tree.entries = {}
   M.init(false, true)
 end