new file mode 100755
--- /dev/null
+++ b/tests/test-debugrename
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+hg init
+echo a > a
+hg ci -Am t
+
+hg mv a b
+hg ci -Am t1
+hg debugrename b
+
+hg mv b a
+hg ci -Am t2
+hg debugrename a
+
+echo % test with --rev
+hg debugrename --rev 1 b
+