From 361e20ecfa21c6bbc31436cf701ceb87e8e7bde7 Mon Sep 17 00:00:00 2001
From: "Joel D. Elkins" <joel@elkins.co>
Date: Thu, 7 Jan 2021 14:33:14 -0600
Subject: [PATCH] Add dir_up function to expose navigating up one directory

---
 lua/nvim-tree.lua | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/lua/nvim-tree.lua b/lua/nvim-tree.lua
index 26843e8e..dfeb4475 100644
--- a/lua/nvim-tree.lua
+++ b/lua/nvim-tree.lua
@@ -105,6 +105,19 @@ function M.on_keypress(mode)
   end
 end
 
+function M.dir_up()
+    local node = lib.get_node_at_cursor()
+    if not node then
+        return lib.change_dir('..')
+    else
+        local newdir = vim.fn.fnamemodify(node.absolute_path, ':h')
+        if newdir == lib.Tree.cwd then
+            lib.change_dir('..')
+        end
+        lib.set_index_and_redraw(newdir)
+    end
+end
+
 function M.refresh()
   lib.refresh_tree()
 end