#
#
# patch "work.cc"
#  from [f7b4308b3debf6578e90b4bee052decef5971bff]
#    to [85beb56787b6bf150fcdf51579cb77bee1016410]
#
============================================================
--- work.cc	f7b4308b3debf6578e90b4bee052decef5971bff
+++ work.cc	85beb56787b6bf150fcdf51579cb77bee1016410
@@ -299,7 +299,7 @@ workspace::require_parents_in_db(databas
        i != rev.edges.end(); i++)
     {
       revision_id const & parent(edge_old_revision(i));
-      E(db.revision_exists(parent), origin::user,
+      E(null_id(parent) || db.revision_exists(parent), origin::user,
         F("parent revision %s does not exist, did you specify the wrong database?")
         % parent);
     }