fix: add option update_to_buf_dir in setup

avoid hijacking the tree for use case of users using vim-dirvish

README.md

@@ -47,6 +47,8 @@ require'nvim-tree'.setup {
   auto_close          = false,
   -- opens the tree when changing/opening a new tab if the tree wasn't previously opened
   open_on_tab         = false,
+  -- hijacks new directory buffers when they are opened.
+  update_to_buf_dir   = true,
   -- hijack the cursor in the tree to put it at the start of the filename
   hijack_cursor       = false,
   -- updates the root directory of the tree on `DirChanged` (when your run `:cd` usually) 

doc/nvim-tree-lua.txt

@@ -70,6 +70,7 @@ function.
       hijack_netrw        = true,
       open_on_setup       = false,
       ignore_ft_on_setup  = {},
+      update_to_buf_dir   = true,
       auto_close          = false,
       open_on_tab         = false,
       hijack_cursor       = false,
@@ -128,6 +129,13 @@ Here is a list of the options available in the setup call:
   type: `boolean`
   default: `false`
 
+- |update_to_buf_dir|: hijacks new directory buffers when they are opened (`:e dir`).
+  If |open_on_setup| is enabled, it will open the tree if the tree is closed.
+  Disable this option if you use vim-dirvish.
+  type: `boolean`
+  default: `true`
+
+
 - |hijack_cursor|: keeps the cursor on the first letter of the filename when
   moving in the tree.
   type: `boolean`

lua/nvim-tree.lua

@@ -20,6 +20,7 @@ local _config = {
   system_open         = {},
   ignore_ft_on_setup  = {},
   open_on_setup       = false,
+  update_to_buf_dir   = true,
 }
 
 local M = {}
@@ -301,7 +302,7 @@ function M.on_leave()
 end
 
 function M.open_on_directory()
-  if not (_config.open_on_setup or view.win_open()) then
+  if not (_config.update_to_buf_dir and (_config.open_on_setup or view.win_open())) then
     return
   end
   local buf = api.nvim_get_current_buf()
@@ -405,6 +406,7 @@ local DEFAULT_OPTS = {
   hijack_netrw        = true,
   open_on_setup       = false,
   open_on_tab         = false,
+  update_to_buf_dir   = true,
   auto_close          = false,
   hijack_cursor       = false,
   update_cwd          = false,
@@ -430,6 +432,7 @@ function M.setup(conf)
   _config.system_open = opts.system_open
   _config.open_on_setup = opts.open_on_setup
   _config.ignore_ft_on_setup = opts.ignore_ft_on_setup
+  _config.update_to_buf_dir = opts.update_to_buf_dir
 
   require'nvim-tree.colors'.setup()
   require'nvim-tree.view'.setup(opts.view or {})