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#include "cache.h"
#include "tree.h"
int cmd_main(int ac, const char **av)
{
struct object_id hash1, hash2, shifted;
struct tree *one, *two;
setup_git_directory();
if (get_oid(av[1], &hash1))
die("cannot parse %s as an object name", av[1]);
if (get_oid(av[2], &hash2))
die("cannot parse %s as an object name", av[2]);
one = parse_tree_indirect(hash1.hash);
if (!one)
die("not a tree-ish %s", av[1]);
two = parse_tree_indirect(hash2.hash);
if (!two)
die("not a tree-ish %s", av[2]);
shift_tree(&one->object.oid, &two->object.oid, &shifted, -1);
printf("shifted: %s\n", oid_to_hex(&shifted));
exit(0);
}
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