NBash

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#!/bin/sh
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#
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# Copyright (C) 2016-2018  Etersoft
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# Copyright (C) 2016-2018  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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alt_base_dist_url="http://ftp.basealt.ru/pub/distributions"
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__use_url_install()
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{
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    # force download if wildcard is used
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    echo "$pkg_urls" | grep -q "[?*]" && return 1
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    # force download if repack is asked
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    [ -n "$repack" ] && return 1
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    # install of remote files has a side affect
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    # (more fresh package from a repo can be installed instead of the file)
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    #case $DISTRNAME in
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    #    "ALTLinux")
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    #        # do not support https yet
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    #        echo "$pkg_urls" | grep -q "https://" && return 1
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    #        pkg_names="$pkg_names $pkg_urls"
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    #        return 0
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    #        ;;
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    #esac
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    case $PMTYPE in
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        #apt-rpm)
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        #    pkg_names="$pkg_names $pkg_urls"
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        #    ;;
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        #deepsolver-rpm)
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        #    pkg_names="$pkg_names $pkg_urls"
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        #    ;;
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        #urpm-rpm)
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        #    pkg_names="$pkg_names $pkg_urls"
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        #    ;;
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        pacman)
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            true
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            ;;
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        yum-rpm|dnf-rpm)
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            true
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            ;;
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        #zypper-rpm)
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        #    pkg_names="$pkg_names $pkg_urls"
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        #    ;;
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        *)
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            return 1
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            ;;
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    esac
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    [ -n "$pkg_names" ] && pkg_names="$pkg_names $pkg_urls" || pkg_names="$pkg_urls"
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    return 0
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}
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# for download before install / checking
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__download_pkg_urls()
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{
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    local url
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    [ -z "$pkg_urls" ] && return
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    for url in $pkg_urls ; do
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        local tmppkg
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        tmppkg="$(mktemp -d --tmpdir=$BIGTMPDIR)" || fatal
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        remove_on_exit $tmppkg
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        chmod $verbose a+rX $tmppkg
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        cd $tmppkg || fatal
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        local latest='--latest'
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        # hack: download all if mask is *.something
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        basename "$url" | grep -q "^\*\." && latest=''
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        # download packages
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        if docmd eget $latest "$url" ; then
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            local i
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            for i in * ; do
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                [ "$i" = "*" ] && warning "Incorrect true status from eget. No saved files from download $url, ignoring" && continue
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                [ -s "$tmppkg/$i" ] || continue
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                chmod $verbose a+r "$tmppkg/$i"
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                [ -n "$pkg_files" ] && pkg_files="$pkg_files $tmppkg/$i" || pkg_files="$tmppkg/$i"
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            done
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        else
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            warning "Failed to download $url, ignoring"
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        fi
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        cd - >/dev/null
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    done
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    # reconstruct
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    pkg_filenames=$(strip_spaces "$pkg_files $pkg_names")
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}
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# NOTE: call __clean_downloaded_pkg_files after
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__handle_pkg_urls_to_install()
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{
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    #[ -n "$pkg_urls" ] || return
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    # FIXME: check type of pkg_urls separately?
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    if [ "$(get_package_type "$pkg_urls")" != $PKGFORMAT ] || ! __use_url_install ; then
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        # use workaround with eget: download and put in pkg_files
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        __download_pkg_urls
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    fi
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    pkg_urls=
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}
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__handle_pkg_urls_to_checking()
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{
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    #[ -n "$pkg_urls" ] || return
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    # use workaround with eget: download and put in pkg_files
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    __download_pkg_urls
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    pkg_urls=
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}
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# obsoleted
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__epm_get_altpkg_url()
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{
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    info "TODO: https://packages.altlinux.org/api/branches"
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    load_helper epm-site
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    local arch=$(paoapi packages/$1 | get_pao_var arch)
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    # FIXME: arch can be list
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    [ "$arch" = "noarch" ] || arch=$(arch)
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    # HACK: filename can be list
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    local filename=$(paoapi packages/$1 | get_pao_var filename | grep $arch)
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    [ -n "$filename" ] || fatal "Can't get filename"
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    # fixme: get from /branches
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    local dv=$DISTRNAME/$DISTRVERSION/branch
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    [ "$DISTRVERSION" = "Sisyphus" ] && dv=$DISTRNAME/$DISTRVERSION
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    echo "$alt_base_dist_url/$dv/$arch/RPMS.classic/$filename"
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}
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# obsoleted
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__epm_print_url_alt()
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{
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    local url="$1"
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    echo "$url"
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    echo "$url" | sed -e "s|$alt_base_dist_url/$DISTRNAME|http://mirror.yandex.ru/altlinux|g"
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    echo "$url" | sed -e "s|$alt_base_dist_url/$DISTRNAME|http://download.etersoft.ru/pub/ALTLinux|g"
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}
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__epm_print_url_alt_check()
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{
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    local pkg=$1
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    shift
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    local tm
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    tm="$(mktemp)" || fatal
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    remove_on_exit $tm
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    assure_exists curl
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    load_helper epm-site
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    quiet=1
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    local buildtime=$(paoapi packages/$pkg | get_pao_var buildtime)
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    echo
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    echo "Latest release: $(paoapi packages/$pkg | get_pao_var sourcepackage) $buildtime"
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    __epm_print_url_alt "$1" | while read url ; do
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        eget --get-response $url >$tm || { echo "$url: missed" ; continue ; }
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        local http=$(cat $tm | grep "^HTTP" | sed -e "s|\r||g")
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        local lastdate=$(cat $tm | grep "^Last-Modified:" | sed -e "s|\r||g")
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        local size=$(cat $tm | grep "^Content-Length:" | sed -e "s|^Content-Length: ||g"  | sed -e "s|\r||g")
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        echo "$url ($http $lastdate) Size: $size"
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    done
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    rm -f $tm
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}
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__epm_download_alt()
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{
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    local pkg
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    if [ "$1" = "--check" ] ; then
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        local checkflag="$1"
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        shift
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    fi
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    load_helper epm-sh-altlinux
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    # TODO: enable if install --download-only will works
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    if tasknumber "$@" >/dev/null ; then
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        load_helper epm-addrepo
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        load_helper epm-reposave
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        load_helper epm-removerepo
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        load_helper epm-Install
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        local installlist="$(get_task_packages $*)"
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        # hack: drop -devel packages to avoid package provided by multiple packages
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        installlist="$(estrlist reg_exclude ".*-devel .*-devel-static .*-checkinstall .*-debuginfo" "$installlist")"
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        [ -n "$verbose" ] && info "Packages from task(s): $installlist"
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        try_change_alt_repo
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        epm_addrepo "$@"
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        epm update
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        [ -n "$verbose" ] && epm repo list
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        docmd epm download $print_url $installlist
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        epm_removerepo "$@"
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        end_change_alt_repo
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        return
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    fi
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    # old systems ignore reinstall ?
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    for pkg in "$@" ; do
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        for i in $(sudocmd apt-get install -y --print-uris --reinstall "$pkg" | cut -f1 -d " " | grep ".rpm'$" | sed -e "s|^'||" -e "s|'$||") ; do
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            echo "$(basename "$i")" | grep -q "^$pkg" || continue
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            [ -n "$print_url" ] && echo "$i" && continue
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            eget "$i"
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        done
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    done
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    return
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    # old code:
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    for pkg in "$@" ; do
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        local url=$(__epm_get_altpkg_url $pkg)
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        [ -n "$url" ] || warning "Can't get URL for $pkg"
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        if [ -n "$checkflag" ] ; then
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            __epm_print_url_alt_check "$pkg" "$url"
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        else
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            docmd eget $url || return
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        fi
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    done
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}
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epm_download()
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{
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    local CMD
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    case "$BASEDISTRNAME" in
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        "alt")
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            __epm_download_alt $*
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            return
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            ;;
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    esac
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    case $PMTYPE in
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    apt-dpkg)
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        if [ -n "$print_url" ] ; then
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            docmd apt-get download --print-uris $* | cut -f1 -d " " | grep ".deb'$" | sed -e "s|^'||" -e "s|'$||"
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            return
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        fi
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        docmd apt-get download $*
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        ;;
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    dnf-rpm)
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        sudocmd dnf download $print_url $*
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        ;;
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    aptcyg)
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        sudocmd apt-cyg download $*
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        ;;
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    packagekit)
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        docmd pkcon download $*
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        ;;
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    yum-rpm)
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        # TODO: check yum install --downloadonly --downloaddir=/tmp <package-name>
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        assure_exists yumdownloader yum-utils
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        sudocmd yumdownloader $*
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        ;;
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    dnf-rpm)
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        sudocmd dnf download $*
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        ;;
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    urpm-rpm)
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        sudocmd urpmi --no-install $URPMOPTIONS $@
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        ;;
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    tce)
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        sudocmd tce-load -w $*
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        ;;
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    opkg)
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        docmd opkg $*
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        ;;
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    eopkg)
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        docmd eopkg fetch $*
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        ;;
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    homebrew)
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        docmd brew fetch $*
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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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