built-in rebase: demonstrate that ORIG_HEAD is not set correctly

diff --git a/t/t3411-rebase-preserve-around-merges.sh b/t/t3411-rebase-preserve-around-merges.sh
index ace8e54e9b374688751cc470eeb9003ca7f5c48f..fb45e7bf7bd638314b67d593327474cea06be9bb 100755 (executable)
--- a/t/t3411-rebase-preserve-around-merges.sh
+++ b/t/t3411-rebase-preserve-around-merges.sh
@@ -10,6 +10,11 @@ a merge to before the merge.
 '
 . ./test-lib.sh
 
+if ! test_have_prereq REBASE_P; then
+       skip_all='skipping git rebase -p tests, as asked for'
+       test_done
+fi
+
 . "$TEST_DIRECTORY"/lib-rebase.sh
 
 set_fake_editor
@@ -56,6 +61,7 @@ test_expect_success 'squash F1 into D1' '
 # And rebase G1..M1 onto E2
 
 test_expect_success 'rebase two levels of merge' '
+       git checkout A1 &&
        test_commit G1 &&
        test_commit H1 &&
        test_commit I1 &&