G migration mechanism (#1030)

lua/nvim-tree.lua

@@ -7,6 +7,7 @@ local renderer = require'nvim-tree.renderer'
 local view = require'nvim-tree.view'
 local utils = require'nvim-tree.utils'
 local change_dir = require'nvim-tree.actions.change-dir'
+local legacy = require'nvim-tree.legacy'
 
 local _config = {}
 
@@ -348,7 +349,7 @@ local DEFAULT_OPTS = {
   },
   filters = {
     dotfiles = false,
-    custom_filter = {},
+    custom = {},
     exclude = {}
   },
   git = {
@@ -364,9 +365,7 @@ local DEFAULT_OPTS = {
     open_file = {
       quit_on_open = vim.g.nvim_tree_quit_on_open == 1,
       window_picker = {
-        enable = vim.g.nvim_tree_disable_window_picker ~= 1,
-        chars = vim.g.nvim_tree_window_picker_chars,
-        exclude = vim.g.nvim_tree_window_picker_exclude,
+        enable = true,
       }
     }
   },
@@ -381,6 +380,8 @@ local function merge_options(conf)
 end
 
 function M.setup(conf)
+  legacy.migrate_legacy_options(conf)
+
   local opts = merge_options(conf)
   local netrw_disabled = opts.disable_netrw or opts.hijack_netrw