4 int main(int ac, char **av)
6 unsigned char hash1[20], hash2[20], shifted[20];
7 struct tree *one, *two;
11 if (get_sha1(av[1], hash1))
12 die("cannot parse %s as an object name", av[1]);
13 if (get_sha1(av[2], hash2))
14 die("cannot parse %s as an object name", av[2]);
15 one = parse_tree_indirect(hash1);
17 die("not a tree-ish %s", av[1]);
18 two = parse_tree_indirect(hash2);
20 die("not a tree-ish %s", av[2]);
22 shift_tree(one->object.oid.hash, two->object.oid.hash, shifted, -1);
23 printf("shifted: %s\n", sha1_to_hex(shifted));