add epm Downgrade (update and downgrade)

bin/epm

@@ -409,6 +409,9 @@ check_command()
         epm_cmd=Upgrade
         direct_args=1
         ;;
+    Downgrade)                # HELPCMD: force update package base, then run downgrade [all] packages to the repo state
+        epm_cmd=Downgrade
+        ;;
     downgrade)                # HELPCMD: downgrade [all] packages to the repo state
         epm_cmd=downgrade
         ;;

bin/epm-Downgrade

+#!/bin/sh
+#
+# Copyright (C) 2013, 2024  Etersoft
+# Copyright (C) 2013, 2024  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
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Affero General Public License for more details.
+#
+# You should have received a copy of the GNU Affero General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+
+load_helper epm-update
+load_helper epm-downgrade
+
+epm_Downgrade()
+{
+    epm_update
+    epm_downgrade "$@"
+}