/*

 * Post-process add request and handle flags:

 * upgrade - search for upgrades for dependencies and add them to the request

 * force - all upgrades are forced

 * reverse - try to upgrade reverse deps as well

 */

static void

pkg_jobs_process_add_request(struct pkg_jobs *j)

{

	bool force = j->flags & PKG_FLAG_FORCE,

		 reverse = j->flags & PKG_FLAG_RECURSIVE,

		 upgrade = j->type == PKG_JOBS_UPGRADE;

	struct pkg_job_request *req;

	struct pkg_job_request_item *it;

	struct pkg_job_universe_item *un, *cur;

	struct pkg_dep *d;

	struct pkg *lp;

	int (*deps_func)(const struct pkg *pkg, struct pkg_dep **d);

	tll(struct pkg_job_universe_item *) to_process = tll_init();

	pkghash_it hit;

	if (!upgrade && !reverse)

		return;

	hit = pkghash_iterator(j->request_add);

	while (pkghash_next(&hit)) {

		req = hit.value;

		it = req->item;

		if (reverse)

			deps_func = pkg_rdeps;

		else

			deps_func = pkg_deps;

		d = NULL;

		/*

		 * Here we get deps of local packages only since we are pretty sure

		 * that they are completely expanded

		 */

		lp = pkg_jobs_universe_get_local(j->universe,

		    it->pkg->uid, 0);

		while (lp != NULL && deps_func(lp, &d) == EPKG_OK) {

			/*

			 * Do not add duplicated upgrade candidates

			 */

			if (pkghash_get(j->request_add, d->uid))

				continue;

			pkg_debug(4, "adding dependency %s to request", d->uid);

			lp = pkg_jobs_universe_get_local(j->universe,

				d->uid, 0);

			/*

			 * Here we need to check whether specific remote package

			 * is newer than a local one

			 */

			un = pkg_jobs_universe_get_upgrade_candidates(j->universe,

				d->uid, lp, force, NULL);

			if (un == NULL)

				continue;

			cur = un->prev;

			while (cur != un) {

				if (cur->pkg->type != PKG_INSTALLED) {

					tll_push_back(to_process, un);

					break;

				}

				cur = cur->prev;

			}

		}

	}

	/* Add all items to the request */

	tll_foreach(to_process, pit) {

		un = pit->item;

		pkg_jobs_add_req_from_universe(&j->request_add, un, false, true);

	}

	/* Now recursively process all items checked */

	if (tll_length(to_process) > 0)

		pkg_jobs_process_add_request(j);

	tll_free(to_process);

}

#if 0

	/* XXX: check if we can safely remove this function */

	pkg_jobs_process_add_request(j);

#endif