.

wcfs/testprog/treegen.py

@@ -162,11 +162,10 @@ def Trees(zstor, r):
             break # EOF
         treetxt = treetxt.rstrip()  # trim trailing \n
 
-        # skip changing DB if the same topology is requested twice
-        # (this avoids assert in commit that len(resources) == 1)
+        # mark tree as changed if the same topology is requested twice
+        # (this makes sure we can actually make a non-empty commit)
         if treetxt == treetxtPrev:
-            xprint("%s" % ashex(head))
-            continue
+            ztree._p_changed = True
         treetxtPrev = treetxt
 
         tree = zctx.TopoDecode(treetxt)