grep "^-[0-9a-f]\\{40\\} " boundary
'
+test_expect_success 'prerequisites with an empty commit message' '
+ : >file1 &&
+ git add file1 &&
+ test_tick &&
+ git commit --allow-empty-message -m "" &&
+ test_commit file2 &&
+ git bundle create bundle HEAD^.. &&
+ git bundle verify bundle
+'
+
test_done