+wreckage-before () {
+ junkref=refs/debrebase/wreckage/junk
+ git update-ref $junkref v2.1
+}
+
+wreckage-after () {
+ test '' = "$(t-git-get-ref-exact $junkref)"
+ git for-each-ref refs/debrebase/wreckage | egrep .
+}
+
+no-wreckage () {
+ if git for-each-ref refs/debrebase/wreckage | egrep .; then
+ fail wreckage
+ fi
+}
+