bisect: print an error message when "git rev-list --bisect-vars" fails

diff --git a/t/t6120-describe.sh b/t/t6120-describe.sh
index 22425d5263faa366e8314ba959d20dc350fd59ed..56bbd8519d69a1fc31293f30eb3c8a7b20a285cc 100755 (executable)
--- a/t/t6120-describe.sh
+++ b/t/t6120-describe.sh
@@ -98,6 +98,7 @@ check_describe A-* --tags HEAD^^2
 check_describe B --tags HEAD^^2^
 
 check_describe B-0-* --long HEAD^^2^
+check_describe A-3-* --long HEAD^^2
 
 test_expect_success 'rename tag A to Q locally' '
        mv .git/refs/tags/A .git/refs/tags/Q