epm-list_upgradable

#!/bin/sh
#
# Copyright (C) 2023  Etersoft
# Copyright (C) 2023  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-sh-warmup

__aptcyg_print_full()
{
    #showcmd apt-cyg show
    local VERSION=$(a= apt-cyg show "$1" | grep -m1 "^version: " | sed -e "s|^version: ||g")
    echo "$1-$VERSION"
}

__fo_pfn()
{
    grep -v "^$" | grep -- "$pkg_filenames"
}

epm_list_upgradable()
{

case $PMTYPE in
    apt-rpm)
        warmup_dpkgbase
        if [ -n "$short" ] ; then
            docmd epm upgrade --dry-run | grep "^Inst " | sed -e "s|^Inst ||" -e "s| .*||g"
        else
            docmd epm upgrade --dry-run | grep "^Inst " | sed -e "s|^Inst ||"
        fi
        ;;
    apt-dpkg)
        warmup_dpkgbase
        if [ -n "$short" ] ; then
            docmd apt list --upgradable | sed -e "s|/.*||g"
        else
            docmd apt list --upgradable
        fi
        ;;
    dnf-*|yum-*)
        warmup_rpmbase
        if [ -n "$short" ] ; then
            docmd dnf check-update | sed -e "s| .*||g"
        else
            docmd dnf check-update
        fi
        ;;
    zypper)
        docmd zypper list-updates --all
        ;;
    snap)
        docmd snap refresh --list
        ;;
    winget)
        docmd winget upgrade
        ;;
    *)
        fatal 'Have no suitable query command for $PMTYPE'
        ;;
esac

if [ -n "$CMD" ] ; then
    docmd $CMD | __fo_pfn
fi
# FIXME: we print empty lines, but will lost error status

}