NBash

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#!/bin/sh
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#
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# Copyright (C) 2012, 2014, 2016, 2019  Etersoft
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# Copyright (C) 2012, 2014, 2016, 2019  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-query
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__epm_info_rpm_low()
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{
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    if [ -n "$pkg_files" ] ; then
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        docmd rpm -qip $pkg_files
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    fi
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    [ -z "$pkg_names" ] && return
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    is_installed $pkg_names && docmd rpm -qi $pkg_names && return
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}
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__epm_info_by_pkgtype()
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{
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    [ -n "$pkg_files" ] || return 1
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    case $(get_package_type $pkg_files) in
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        rpm)
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            __epm_info_rpm_low && return
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            ;;
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        deb)
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            docmd dpkg -I $pkg_files
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            ;;
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        *)
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            return 1
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            ;;
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    esac
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}
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__epm_info_by_pmtype()
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{
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case $PMTYPE in
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    apt-dpkg)
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        if [ -n "$pkg_files" ] ; then
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            docmd dpkg -I $pkg_files
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        fi
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        [ -z "$pkg_names" ] && return
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        is_installed $pkg_names && docmd dpkg -p $pkg_names && return
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        docmd apt-cache show $pkg_names
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        ;;
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    aptitude-dpkg)
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        if [ -n "$pkg_files" ] ; then
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            docmd dpkg -I $pkg_files
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        fi
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        [ -z "$pkg_names" ] && return
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        docmd aptitude show $pkg_names
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        ;;
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    *-rpm)
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        __epm_info_rpm_low && return
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        case $PMTYPE in
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            apt-rpm)
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                docmd apt-cache show $pkg_names
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                ;;
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            packagekit)
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                docmd pkcon get-details $pkg_names
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                ;;
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            yum-rpm)
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                docmd yum info $pkg_names
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                ;;
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            urpmi-rpm)
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                docmd urpmq -i $pkg_names
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                ;;
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            dnf-rpm)
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                docmd dnf info $pkg_names
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                ;;
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            zypper-rpm)
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                docmd zypper info $pkg_names
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                ;;
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            *)
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                warning "Unknown command for $PMTYPE"
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                ;;
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        esac
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        ;;
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    packagekit)
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        # TODO: get-details-local
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        docmd pkcon get-details $pkg_names
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        ;;
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    pacman)
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        is_installed $pkg_names && docmd pacman -Qi $pkg_names && return
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        docmd pacman -Si $pkg_names
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        ;;
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    aura)
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        is_installed $pkg_names && docmd pacman -Qi $pkg_names && return
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        docmd aura -Ai $pkg_names
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        ;;
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    npackd)
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        # FIXME: --version=
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        docmd npackdcl info --package=$pkg_names
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        ;;
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    conary)
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        is_installed $pkg_names && docmd conary query $pkg_names --info && return
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        docmd conary repquery $pkg_names --info
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        ;;
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    emerge)
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        assure_exists equery
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        docmd equery meta $pkg_names
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        docmd equery which $pkg_names
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        docmd equery uses $pkg_names
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        docmd equery size $pkg_names
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        ;;
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    slackpkg)
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        docmd /usr/sbin/slackpkg info $pkg_names
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        ;;
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    opkg)
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        docmd opkg info $pkg_names
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        ;;
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    apk)
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        docmd apk info $pkg_names
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        ;;
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    pkgng)
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        docmd pkg info $pkg_names
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        ;;
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    xbps)
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        docmd xbps-query --show $pkg_names
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        ;;
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    homebrew)
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        docmd brew info $pkg_names
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        ;;
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    aptcyg)
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        docmd apt-cyg show $pkg_names
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        ;;
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    eopkg)
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        docmd eopkg info $pkg_files $pkg_names
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        ;;
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    appget)
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        docmd appget view $pkg_names
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        ;;
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    winget)
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        docmd winget show $pkg_names
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        ;;
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    termux-pkg)
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        docmd pkg show $pkg_names
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        ;;
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    *)
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        fatal "Have no suitable command for $PMTYPE"
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        ;;
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esac
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}
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# TODO: separate to _files and _names parts
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# implement _files part per package, not by PMTYPE (see filelist)
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epm_info()
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{
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# if possible, it will put pkg_urls into pkg_files or pkg_names
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if [ -n "$pkg_urls" ] ; then
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    load_helper epm-download
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    __handle_pkg_urls_to_checking
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fi
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[ -n "$pkg_filenames" ] || fatal "Info: package name is missed"
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__epm_info_by_pkgtype || __epm_info_by_pmtype
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local RETVAL=$?
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return $RETVAL
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}
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