Updated plugins

sources_non_forked/nerdtree/plugin/NERD_tree.vim

@@ -202,8 +202,28 @@ function! NERDTreeFocus()
 endfunction
 
 function! NERDTreeCWD()
+
+    if empty(getcwd())
+        call nerdtree#echoWarning('current directory does not exist')
+        return
+    endif
+
+    try
+        let l:cwdPath = g:NERDTreePath.New(getcwd())
+    catch /^NERDTree.InvalidArgumentsError/
+        call nerdtree#echoWarning('current directory does not exist')
+        return
+    endtry
+
     call NERDTreeFocus()
-    call nerdtree#ui_glue#chRootCwd()
+
+    if b:NERDTree.root.path.equals(l:cwdPath)
+        return
+    endif
+
+    let l:newRoot = g:NERDTreeFileNode.New(l:cwdPath, b:NERDTree)
+    call b:NERDTree.changeRoot(l:newRoot)
+    normal! ^
 endfunction
 
 function! NERDTreeAddPathFilter(callback)