From 92a64daf273da678a7834558f103ad89e22cf595 Mon Sep 17 00:00:00 2001
From: kiyan <yazdani.kiyan@protonmail.com>
Date: Tue, 8 Feb 2022 21:36:46 +0100
Subject: [PATCH] fix: normalize cwd with '..'

---
 lua/nvim-tree/explorer/init.lua |  3 ++-
 lua/nvim-tree/utils.lua         | 20 ++++++++++++++++++++
 2 files changed, 22 insertions(+), 1 deletion(-)

diff --git a/lua/nvim-tree/explorer/init.lua b/lua/nvim-tree/explorer/init.lua
index 2a90030b..efad47fe 100644
--- a/lua/nvim-tree/explorer/init.lua
+++ b/lua/nvim-tree/explorer/init.lua
@@ -2,6 +2,7 @@ local uv = vim.loop
 
 local git = require"nvim-tree.git"
 local renderer = require"nvim-tree.renderer"
+local utils = require"nvim-tree.utils"
 
 local M = {}
 
@@ -12,7 +13,7 @@ local Explorer = {}
 Explorer.__index = Explorer
 
 function Explorer.new(cwd)
-  cwd = cwd or uv.cwd()
+  cwd = utils.path_normalize(cwd or uv.cwd())
   return setmetatable({
     cwd = cwd,
     nodes = {}
diff --git a/lua/nvim-tree/utils.lua b/lua/nvim-tree/utils.lua
index 4e54b56a..78bc0a40 100644
--- a/lua/nvim-tree/utils.lua
+++ b/lua/nvim-tree/utils.lua
@@ -208,4 +208,24 @@ function M.file_exists(path)
   return error == nil
 end
 
+--- @param num number elements to take
+--- @param list table elements
+--- @return table
+function M.take(num, list)
+  local t = {}
+  for i, c in ipairs(list) do
+    if i > num then break end
+    table.insert(t, c)
+  end
+  return t
+end
+
+--- @param path string
+--- @return string
+function M.path_normalize(path)
+  local components = vim.split(vim.fn.expand(path), path_separator)
+  local num_dots = #vim.tbl_filter(function(v) return v == ".." end, components)
+  return M.path_join(M.take(#components - num_dots * 2, components))
+end
+
 return M