test $(git rev-parse I) = $(git rev-parse HEAD~2)
'
+test_expect_success 'reflog for the branch shows state before rebase' '
+ test $(git rev-parse branch1@{1}) = $(git rev-parse original-branch1)
+'
+
test_expect_success 'exchange two commits' '
FAKE_LINES="2 1" git rebase -i HEAD~2 &&
test H = $(git cat-file commit HEAD^ | tail -n 1) &&