// Verify the only storage of b is our packed delta above.
//
ObjectDirectory od = (ObjectDirectory) src.getObjectDatabase();
assertTrue("has b", src.hasObject(b));
assertFalse("b not loose", od.fileFor(b).exists());
// Now use b but in a different commit than what is hidden.
//
TestRepository<Repository> s = new TestRepository<Repository>(src);
RevCommit N = s.commit().parent(B).add("q", b).create();