fix: allow changing root to file`s parent directory and fix restrict_above_cwd config path

Author: Uanela

lua/nvim-tree/api.lua

@@ -10,6 +10,7 @@ local notify = require("nvim-tree.notify")
 
 local DirectoryNode = require("nvim-tree.node.directory")
 local FileLinkNode = require("nvim-tree.node.file-link")
+local FileNode = require("nvim-tree.node.file")
 local RootNode = require("nvim-tree.node.root")
 local UserDecorator = require("nvim-tree.renderer.decorator.user")
 
@@ -160,6 +161,8 @@ end)
 Api.tree.change_root_to_node = wrap_node(function(node)
   if node.name == ".." or node:is(RootNode) then
     wrap_explorer("change_dir")("..")
+  elseif node:is(FileNode) and node.parent ~= nil then
+    wrap_explorer("change_dir")(node.parent:last_group_node().absolute_path)
   else
     node = node:as(DirectoryNode)
     if node then

lua/nvim-tree/explorer/init.lua

@@ -716,7 +716,7 @@ end
 ---@return boolean
 function Explorer:prevent_cwd_change(foldername)
   local is_same_cwd = foldername == self.absolute_path
-  local is_restricted_above = config.restrict_above_cwd and foldername < vim.fn.getcwd(-1, -1)
+  local is_restricted_above = config.actions.change_dir.restrict_above_cwd and foldername < vim.fn.getcwd(-1, -1)
   return is_same_cwd or is_restricted_above
 end