Function do_lookup_replace_object

replace-object.c:66–83

* If a replacement for object oid has been set up, return the * replacement object's name (replaced recursively, if necessary). * The return value is either oid or a pointer to a * permanently-allocated value. This function always respects replace * references, regardless of the value of r->settings.read_replace_refs. */

 * references, regardless of the value of r->settings.read_replace_refs.
 */
const struct object_id *do_lookup_replace_object(struct repository *r,
						 const struct object_id *oid)
{
	int depth = MAXREPLACEDEPTH;
	const struct object_id *cur = oid;

	prepare_replace_object(r);

	/* Try to recursively replace the object */
	while (depth-- > 0) {
		struct replace_object *repl_obj =
			oidmap_get(&r->objects->replace_map, cur);
		if (!repl_obj)
			return cur;
		cur = &repl_obj->replacement;
	}
	die(_("replace depth too high for object %s"), oid_to_hex(oid));
}

/*
 * This indicator determines whether replace references should be