# 
# 
# patch "work.cc"
#  from [ba9464a90c0448961f157eb54702441c649812d3]
#    to [2ff8b5e84422c6ac489afae14f2553a5548bcecf]
# 
============================================================
--- work.cc	ba9464a90c0448961f157eb54702441c649812d3
+++ work.cc	2ff8b5e84422c6ac489afae14f2553a5548bcecf
@@ -363,6 +363,8 @@
   I(new_roster.has_root());
   N(new_roster.has_node(new_root_sp),
     F("proposed new root directory '%s' is not versioned or does not exist") % new_root);
+  N(is_dir_t(new_roster.get_node(new_root_sp)),
+    F("proposed new root directory '%s' is not a directory") % new_root);
   {
     split_path new_root_MT;
     (new_root / bookkeeping_root.as_internal()).split(new_root_MT);