test_i18ngrep "invalid-ref" err
'
+test_expect_success 'error out early upon -C<n> or --whitespace=<bad>' '
+ test_must_fail git rebase -Cnot-a-number HEAD 2>err &&
+ test_i18ngrep "numerical value" err &&
+ test_must_fail git rebase --whitespace=bad HEAD 2>err &&
+ test_i18ngrep "Invalid whitespace option" err
+'
+
+test_expect_success 'GIT_REFLOG_ACTION' '
+ git checkout start &&
+ test_commit reflog-onto &&
+ git checkout -b reflog-topic start &&
+ test_commit reflog-to-rebase &&
+
+ git rebase reflog-onto &&
+ git log -g --format=%gs -3 >actual &&
+ cat >expect <<-\EOF &&
+ rebase finished: returning to refs/heads/reflog-topic
+ rebase: reflog-to-rebase
+ rebase: checkout reflog-onto
+ EOF
+ test_cmp expect actual &&
+
+ git checkout -b reflog-prefix reflog-to-rebase &&
+ GIT_REFLOG_ACTION=change-the-reflog git rebase reflog-onto &&
+ git log -g --format=%gs -3 >actual &&
+ cat >expect <<-\EOF &&
+ rebase finished: returning to refs/heads/reflog-prefix
+ change-the-reflog: reflog-to-rebase
+ change-the-reflog: checkout reflog-onto
+ EOF
+ test_cmp expect actual
+'
+
+test_expect_success 'rebase -i onto unrelated history' '
+ git init unrelated &&
+ test_commit -C unrelated 1 &&
+ git -C unrelated remote add -f origin "$PWD" &&
+ git -C unrelated branch --set-upstream-to=origin/master &&
+ git -C unrelated -c core.editor=true rebase -i -v --stat >actual &&
+ test_i18ngrep "Changes to " actual &&
+ test_i18ngrep "5 files changed" actual
+'
+
test_done