Function last_modified_diff

builtin/last-modified.c:209–247

}

static void last_modified_diff(struct diff_queue_struct *q,
			       struct diff_options *opt UNUSED, void *cbdata)
{
	struct last_modified_callback_data *data = cbdata;

	for (int i = 0; i < q->nr; i++) {
		struct diff_filepair *p = q->queue[i];
		switch (p->status) {
		case DIFF_STATUS_DELETED:
			/*
			 * There's no point in feeding a deletion, as it could
			 * not have resulted in our current state, which
			 * actually has the file.
			 */
			break;

		default:
			/*
			 * Otherwise, we care only that we somehow arrived at
			 * a final oid state. Note that this covers some
			 * potentially controversial areas, including:
			 *
			 *  1. A rename or copy will be found, as it is the
			 *     first time the content has arrived at the given
			 *     path.
			 *
			 *  2. Even a non-content modification like a mode or
			 *     type change will trigger it.
			 *
			 * We take the inclusive approach for now, and find
			 * anything which impacts the path. Options to tweak
			 * the behavior (e.g., to "--follow" the content across
			 * renames) can come later.
			 */
			mark_path(p->two->path, &p->two->oid, data);
			break;
		}
	}
}

static void pass_to_parent(struct bitmap *c,
			   struct bitmap *p,