rebase -i: rewrite complete_action() in C

diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
index d392160ba9957d9918f59cdfb031f66c624e90f3..90c3ca70e6b9f6b4d8bfaa28db90c8ec19c4cf85 100755 (executable)
--- a/t/t3404-rebase-interactive.sh
+++ b/t/t3404-rebase-interactive.sh
@@ -75,6 +75,16 @@ test_expect_success 'rebase --keep-empty' '
        test_line_count = 6 actual
 '
 
+cat > expect <<EOF
+error: nothing to do
+EOF
+
+test_expect_success 'rebase -i with empty HEAD' '
+       set_fake_editor &&
+       test_must_fail env FAKE_LINES="1 exec_true" git rebase -i HEAD^ >actual 2>&1 &&
+       test_i18ncmp expect actual
+'
+
 test_expect_success 'rebase -i with the exec command' '
        git checkout master &&
        (