epm-mark: add support for hold/unhold

bin/epm-mark

 #!/bin/sh
 #
-# Copyright (C) 2020  Etersoft
-# Copyright (C) 2020  Vitaly Lipatov <lav@etersoft.ru>
+# Copyright (C) 2020, 2022  Etersoft
+# Copyright (C) 2020, 2022  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
@@ -17,11 +17,53 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 #
 
+__alt_mark_hold()
+{
+	# TODO: do more long checking via apt
+	local pkg
+	local i
+	for i in "$@" ; do
+		pkg="$(epm query --short "$i")" || continue
+		showcmd "echo \"RPM::Hold {\"^$pkg\";};\" > /etc/apt/apt.conf.d/hold-$pkg.conf"
+		echo "RPM::Hold {\"^$pkg\";};" | sudorun tee "/etc/apt/apt.conf.d/hold-$pkg.conf" >/dev/null
+	done
+}
+
+__alt_mark_unhold()
+{
+	# TODO: do more long checking via apt
+	local pkg
+	local i
+	for i in "$@" ; do
+		pkg="$(epm query --short "$i")" || pkg="$i"
+		sudocmd rm -fv /etc/apt/apt.conf.d/hold-$pkg.conf
+	done
+}
+
 epm_mark()
 {
 
 case $PMTYPE in
-	apt-rpm|apt-dpkg)
+	apt-rpm)
+		if [ "$1" = "hold" ] ; then
+			shift
+			__alt_mark_hold "$@"
+			exit
+		fi
+		if [ "$1" = "unhold" ] ; then
+			shift
+			__alt_mark_unhold "$@"
+			exit
+		fi
+		sudocmd apt-mark "$@"
+		if [ "$1" = "" ] || [ "$1" = "--help" ] || [ "$1" = "-h" ] ; then
+			echo
+			echo "EPM additionals: "
+			echo "	hold pkg1 [pkg2 ...] - hold the given package(s)"
+			echo "	unhold pkg1 [pkg2 ...] - unhold the given package(s)"
+		fi
+		;;
+	apt-dpkg)
 		sudocmd apt-mark "$@"
 		;;
 	*)