@@ -64,10 +64,11 @@
   -lock                   : lock run specified by target and runname
   -unlock                 : unlock run specified by target and runname
   -set-run-status status  : sets status for run to status, requires -target and -runname
   -get-run-status         : gets status for run specified by target and runname
   -run-wait               : wait on run specified by target and runname
+  -preclean               : remove the existing test directory before running the test
 
 Selectors (e.g. use for -runtests, -remove-runs, -set-state-status, -list-runs etc.)
   -target key1/key2/...   : run for key1, key2, etc.
   -reqtarg key1/key2/...  : run for key1, key2, etc. but key1/key2 must be in runconfig
   -testpatt patt1/patt2,patt3/...  : % is wildcard
@@ -225,10 +226,11 @@
 			"-set-values"
 			"-load-test-data"
 			"-summarize-items"
 		        "-gui"
 			"-daemonize"
+			"-preclean"
 			;; misc
 			"-archive"
 			"-repl"
 			"-lock"
 			"-unlock"