epm repolist: support task number(s)

bin/epm-repolist

 #!/bin/sh
 #
-# Copyright (C) 2012, 2016, 2019  Etersoft
-# Copyright (C) 2012, 2016, 2019  Vitaly Lipatov <lav@etersoft.ru>
+# Copyright (C) 2012, 2016, 2019, 2020  Etersoft
+# Copyright (C) 2012, 2016, 2019, 2020  Vitaly Lipatov <lav@etersoft.ru>
 #
 # This program is free software: you can redistribute it and/or modify
 # it under the terms of the GNU Affero General Public License as published by
@@ -17,6 +17,8 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
 
+load_helper epm-sh-altlinux
+
 print_apt_sources_list()
 {
     local i
@@ -33,7 +35,11 @@ epm_repolist()
 case $PMTYPE in
 	apt-rpm)
 		assure_exists apt-repo
-		docmd apt-repo list
+		if tasknumber "$pkg_names" >/dev/null ; then
+			get_task_packages $pkg_names
+		else
+			docmd apt-repo list
+		fi
 		;;
 	deepsolver-rpm)
 		docmd ds-conf