rebase --root: demonstrate a bug while amending root commit messages

When splitting a repository, running `git rebase -i --root` to reword the initial commit, Git dies with BUG: sequencer.c:795: root commit without message. Signed-off-by: Todd Zullinger <tmz@pobox.com> Signed-off-by: Johannes Schindelin <johannes.schindelin@gmx.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Todd Zullinger committed Jun 15, 2018 at 00:31 UTC 3a36ca08818c0ca858de56ad49857b97a509ef2a
1 file changed +9
t/t3404-rebase-interactive.sh
+9
@@ -971,6 +971,15 @@ test_expect_success 'rebase -i --root fixup root commit' '
971 test 0 = $(git cat-file commit HEAD | grep -c ^parent\ )
972 '
973
974 +test_expect_failure 'rebase -i --root reword root commit' '
975 + test_when_finished "test_might_fail git rebase --abort" &&
976 + git checkout -b reword-root-branch master &&
977 + set_fake_editor &&
978 + FAKE_LINES="reword 1 2" FAKE_COMMIT_MESSAGE="A changed" \
979 + git rebase -i --root &&
980 + git show HEAD^ | grep "A changed"
981 +'
982 +
983 test_expect_success C_LOCALE_OUTPUT 'rebase --edit-todo does not work on non-interactive rebase' '
984 git reset --hard &&
985 git checkout conflict-branch &&