Add a config option to use :cd instead of :lcd (#874)

Fixes #829

README.md

@@ -110,6 +110,7 @@ let g:nvim_tree_highlight_opened_files = 1 "0 by default, will enable folder and
 let g:nvim_tree_root_folder_modifier = ':~' "This is the default. See :help filename-modifiers for more options
 let g:nvim_tree_add_trailing = 1 "0 by default, append a trailing slash to folder names
 let g:nvim_tree_group_empty = 1 " 0 by default, compact folders that only contain a single folder into one node in the file tree
+let g:nvim_tree_change_dir_global = 1 "0 by default, use :cd when changing directories.
 let g:nvim_tree_disable_window_picker = 1 "0 by default, will disable the window picker.
 let g:nvim_tree_icon_padding = ' ' "one space by default, used for rendering the space between the icon and the filename. Use with caution, it could break rendering if you set an empty string depending on your font.
 let g:nvim_tree_symlink_arrow = ' >> ' " defaults to ' ➛ '. used as a separator between symlinks' source and target.

doc/nvim-tree-lua.txt

@@ -485,6 +485,9 @@ default table is
       ["readme.md"] = true,
    }
 
+|g:nvim_tree_change_dir_global|                  *g:nvim_tree_change_dir_global*
+
+Can be 0 or 1. When 1, use :cd instead of :lcd when changing directories.
 
 |g:nvim_tree_disable_window_picker|          *g:nvim_tree_disable_window_picker*
 

lua/nvim-tree/lib.lua

@@ -274,7 +274,11 @@ function M.change_dir(name)
   end
   current_tab = new_tab
 
-  vim.cmd('lcd '..vim.fn.fnameescape(foldername))
+  if vim.g.nvim_tree_change_dir_global == 1 then
+    vim.cmd('cd '..vim.fn.fnameescape(foldername))
+  else
+    vim.cmd('lcd '..vim.fn.fnameescape(foldername))
+  end
   M.init(false, foldername)
 end