.add("f", "1-master\n2\n3\n4\n5\n6\n7\n8\n9\n").message("m1")
.create();
db_t.getRevWalk().parseCommit(m1);
BranchBuilder side = db_t.branch("side");
RevCommit s1 = side.commit().parent(m0)
.add("f", "1\n2\n3\n4\n5\n6\n7\n8\n9-side\n").message("s1")
.create();
RevCommit s2 = side.commit().parent(m1)
.add("f", "1-master\n2\n3\n4\n5\n6\n7-res(side)\n8\n9-side\n")
.message("s2(merge)").create();