NBash

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#!/bin/sh
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#
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# Copyright (C) 2012-2014, 2016, 2017, 2019-2021  Etersoft
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# Copyright (C) 2012-2014, 2016, 2017, 2019-2021  Vitaly Lipatov <lav@etersoft.ru>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Affero General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Affero General Public License for more details.
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#
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# You should have received a copy of the GNU Affero General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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#
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load_helper epm-sh-altlinux
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load_helper epm-query
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load_helper epm-print
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load_helper epm-sh-warmup
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load_helper epm-sh-install
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RPMISNOTINSTALLED=202
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__check_rpm_e_result()
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{
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    grep -q "is not installed" $1 && return $RPMISNOTINSTALLED
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    return $2
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}
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# Try remove with low level removing
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epm_remove_low()
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{
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    [ -z "$1" ] && return
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    warmup_lowbase
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    case $PMTYPE in
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        *-rpm)
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            cd /tmp || fatal
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            __epm_check_vendor $@
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            store_output sudocmd rpm -ev $noscripts $nodeps $@
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            # rpm returns number of packages if failed on removing
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            __check_rpm_e_result $RC_STDOUT $?
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            RES=$?
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            clean_store_output
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            cd - >/dev/null
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            return $RES ;;
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        *-dpkg|-dpkg)
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            # shellcheck disable=SC2046
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            sudocmd dpkg -P $(subst_option nodeps --force-all) $(print_name "$@")
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            return ;;
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        pkgsrc)
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            sudocmd pkg_delete -r $@
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            return ;;
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        pkgng)
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            sudocmd pkg delete -R $@
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            return ;;
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        emerge)
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            sudocmd emerge --unmerge $@
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            return ;;
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        pacman)
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            sudocmd pacman -R $@
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            return ;;
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        eopkg)
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            sudocmd eopkg $(subst_option nodeps --ignore-dependency) remove $@
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            return ;;
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        appget|winget)
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            sudocmd $PMTYPE uninstall $@
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            return ;;
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        slackpkg)
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            sudocmd /sbin/removepkg $@
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            return ;;
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    esac
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    return 1
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}
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epm_remove_names()
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{
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    [ -z "$1" ] && return
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    warmup_bases
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    local APTOPTIONS="$(subst_option non_interactive -y)"
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    case $PMTYPE in
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        apt-dpkg)
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            sudocmd apt-get remove --purge $APTOPTIONS $@
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            return ;;
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        aptitude-dpkg)
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            sudocmd aptitude purge $@
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            return ;;
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        apt-rpm)
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            sudocmd apt-get remove $APTOPTIONS $@
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            return ;;
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        packagekit)
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            docmd pkcon remove $@
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            return ;;
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        deepsolver-rpm)
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            sudocmd ds-remove $@
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            return ;;
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        urpm-rpm)
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            sudocmd urpme $@
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            return ;;
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        pkgsrc) # without dependencies
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            sudocmd pkg_delete $@
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            return ;;
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        pkgng)
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            sudocmd pkg delete -R $@
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            return ;;
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        emerge)
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            #sudocmd emerge --unmerge $@
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            sudocmd emerge -aC $@
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            return ;;
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        pacman)
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            sudocmd pacman -Rc $@
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            return ;;
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        yum-rpm)
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            sudocmd yum remove $@
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            return ;;
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        dnf-rpm)
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            sudocmd dnf remove $@
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            return ;;
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        snappy)
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            sudocmd snappy uninstall $@
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            return ;;
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        zypper-rpm)
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            sudocmd zypper remove --clean-deps $@
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            return ;;
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        mpkg)
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            sudocmd mpkg remove $@
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            return ;;
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        eopkg)
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            sudocmd eopkg $(subst_option nodeps --ignore-dependency) remove $@
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            return ;;
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        conary)
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            sudocmd conary erase $@
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            return ;;
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        npackd)
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            sudocmd npackdcl remove --package=$1
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            return ;;
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        nix)
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            sudocmd nix-env --uninstall $@
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            return ;;
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        apk)
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            sudocmd apk del $@
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            return ;;
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        guix)
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            sudocmd guix package -r $@
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            return ;;
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        android)
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            sudocmd pm uninstall $@
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            return ;;
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        termux-pkg)
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            sudocmd pkg uninstall $@
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            return ;;
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        choco)
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            sudocmd choco uninstall $@
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            return ;;
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        slackpkg)
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            sudocmd /usr/sbin/slackpkg remove $@
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            return ;;
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        homebrew)
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            docmd brew remove $@
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            return ;;
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        aptcyg)
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            sudocmd apt-cyg remove $@
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            return ;;
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        xbps)
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            sudocmd xbps remove -R $@
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            return ;;
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        appget|winget)
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            sudocmd $PMTYPE uninstall $@
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            return ;;
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        opkg)
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            # shellcheck disable=SC2046
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            sudocmd opkg $(subst_option force -force-depends) remove $@
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            return ;;
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        *)
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            fatal "Have no suitable command for $PMTYPE"
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            ;;
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    esac
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}
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# TODO
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epm_remove_nonint()
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{
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    warmup_bases
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    case $PMTYPE in
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        apt-dpkg)
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            sudocmd apt-get -y --force-yes remove --purge $@
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            return ;;
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        aptitude-dpkg)
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            sudocmd aptitude -y purge $@
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            return ;;
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        apt-rpm)
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            sudocmd apt-get -y --force-yes remove $@
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            return ;;
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        packagekit)
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            docmd pkcon remove --noninteractive $@
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            return ;;
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        urpm-rpm)
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            sudocmd urpme --auto $@
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            return ;;
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        pacman)
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            sudocmd pacman -Rc --noconfirm $@
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            return ;;
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        yum-rpm)
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            sudocmd yum -y remove $@
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            return ;;
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        dnf-rpm)
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            sudocmd dnf remove --assumeyes $@
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            return ;;
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        zypper-rpm)
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            sudocmd zypper --non-interactive remove --clean-deps $@
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            return ;;
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        slackpkg)
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            sudocmd /usr/sbin/slackpkg -batch=on -default_answer=yes remove $@
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            return ;;
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        pkgng)
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            sudocmd pkg delete -y -R $@
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            return ;;
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        opkg)
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            sudocmd opkg -force-defaults remove $@
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            return ;;
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        eopkg)
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            sudocmd eopkg $(subst_option nodeps --ignore-dependency) --yes-all remove $@
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            return ;;
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        appget|winget)
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            sudocmd $PMTYPE uninstall -s $@
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            return ;;
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        xbps)
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            sudocmd xbps remove -y $@
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            return ;;
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    esac
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    return 5
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}
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epm_print_remove_command()
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{
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    case $PMTYPE in
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        *-rpm)
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            echo "rpm -ev $nodeps $*"
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            ;;
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        *-dpkg)
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            echo "dpkg -P $*"
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            ;;
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        packagekit-*)
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            echo "pkcon remove --noninteractive $*"
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            ;;
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        pkgsrc)
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            echo "pkg_delete -r $*"
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            ;;
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        pkgng)
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            echo "pkg delete -R $*"
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            ;;
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        pacman)
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            echo "pacman -R $*"
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            ;;
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        emerge)
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            echo "emerge --unmerge $*"
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            ;;
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        slackpkg)
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            echo "/sbin/removepkg $*"
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            ;;
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        opkg)
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            echo "opkg remove $*"
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            ;;
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        eopkg)
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            echo "eopkg remove $*"
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            ;;
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        aptcyg)
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            echo "apt-cyg remove $*"
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            ;;
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        xbps)
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            echo "xbps remove -y $*"
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            ;;
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        appget|winget)
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            echo "$PMTYPE uninstall -s $*"
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            ;;
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        *)
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            fatal "Have no suitable appropriate remove command for $PMTYPE"
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            ;;
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    esac
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}
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epm_remove()
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{
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    if [ -n "$show_command_only" ] ; then
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        epm_print_remove_command $pkg_filenames
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        return
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    fi
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    # TODO: add support for --no-scripts to all cases
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    if [ "$BASEDISTRNAME" = "alt" ] ; then
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        load_helper epm-sh-altlinux
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        if tasknumber "$pkg_names" >/dev/null ; then
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            assure_exists apt-repo
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            pkg_names="$(get_task_packages $pkg_names)"
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        fi
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    fi
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    # TODO: fix pkg_names override
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    # get full package name(s) from the package file(s)
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    [ -n "$pkg_files" ] && pkg_names="$pkg_names $(epm query $pkg_files)"
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    pkg_files=''
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    if [ -z "$pkg_names" ] ; then
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        warning "no package(s) to remove."
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        return
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    fi
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    # remove according current arch (if x86_64) by default
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    pkg_names="$(echo $pkg_names | exp_with_arch_suffix)"
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    if [ -n "$dryrun" ] ; then
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        info "Packages for removing:"
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        echo "$pkg_names"
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        case $PMTYPE in
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            apt-rpm)
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                nodeps="--test"
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                APTOPTIONS="--simulate"
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                ;;
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            apt-deb)
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                nodeps="--simulate"
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                APTOPTIONS="--simulate"
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                ;;
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            *)
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                fatal "don't yet support --simulate for $PMTYPE"
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                return
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                ;;
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        esac
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    fi
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    if [ -n "$skip_missed" ] ; then
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        pkg_names="$(get_only_installed_packages $pkg_names)"
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    fi
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    epm_remove_low $pkg_names && return
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    local STATUS=$?
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    if [ -n "$direct" ] || [ -n "$nodeps" ] || [ "$STATUS" = "$RPMISNOTINSTALLED" ]; then
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        [ -n "$force" ] || return $STATUS
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    fi
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    # get package name for hi level package management command (with version if supported and if possible)
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    pkg_names=$(__epm_get_hilevel_name $pkg_names)
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    if [ -n "$non_interactive" ] ; then
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        epm_remove_nonint $pkg_names
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        local RET=$?
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        # if not separate command, use usual command
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        [ "$RET" = "5" ] || return $RET
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    fi
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    epm_remove_names $pkg_names
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}
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