t-dch-r-rune dch
git commit -a --amend --no-edit
+junkref=refs/debrebase-wreckage/junk
+git update-ref $junkref v2.1
+
t-expect-fail F:'divergent anchors' \
t-git-debrebase
+git rev-parse $junkref
+
+t-expect-fail F:'divergent anchors' \
+t-git-debrebase --save-wreckage
+
+test '' = "$(t-git-get-ref-exact $junkref)"
+
+git for-each-ref refs/debrebase-wreckage | egrep .
+
: ===== late failure in apply =====
git checkout other