NBash

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#!/bin/sh
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#
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# Copyright (C) 2013  Etersoft
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# Copyright (C) 2013  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_conflicts_files()
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{
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    [ -n "$pkg_files" ] || return
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    case $(get_package_type $pkg_files) in
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        rpm)
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            assure_exists rpm
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            docmd rpm -q --conflicts -p $pkg_files
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            ;;
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        #deb)
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        #    a= docmd dpkg -I $pkg_files | grep "^ *Depends:" | sed "s|^ *Depends:||g"
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        #    ;;
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        *)
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            fatal "Have no suitable command for $PMTYPE"
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            ;;
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    esac
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}
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epm_conflicts_names()
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{
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    local CMD
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    [ -n "$pkg_names" ] || return
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# by package name
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case $PMTYPE in
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    apt-rpm)
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        # FIXME: need fix for a few names case
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        # FIXME: too low level of requires name (libSOME.so)
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        if is_installed $pkg_names ; then
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            CMD="rpm -q --conflicts"
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        else
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            EXTRA_SHOWDOCMD=' | grep "Conflicts:"'
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            docmd apt-cache show $pkg_names | grep "Conflicts:"
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            return
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        fi
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        ;;
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    urpm-rpm|zypper-rpm)
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        # FIXME: use hi level commands
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        CMD="rpm -q --conflicts"
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        ;;
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    #yum-rpm)
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    #    CMD="yum deplist"
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    #    ;;
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    #pacman)
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    #    CMD="pactree"
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    #    ;;
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    apt-dpkg)
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        # FIXME: need fix for a few names case
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        if is_installed $pkg_names ; then
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            showcmd dpkg -s $pkg_names
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            a='' dpkg -s $pkg_names | grep "^Conflicts:" | sed "s|^Conflicts:||g"
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            return
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        else
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            EXTRA_SHOWDOCMD=' | grep "Conflicts:"'
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            docmd apt-cache show $pkg_names | grep "Conflicts:"
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            return
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        fi
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        ;;
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    # TODO: why-not show who conflicts with us
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    #aptitude-dpkg)
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    #    docmd aptitude why-not $pkg_names
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    #    ;;
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    #emerge)
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    #    assure_exists equery
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    #    CMD="equery depgraph"
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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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docmd $CMD $pkg_names
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}
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epm_conflicts()
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{
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    [ -n "$pkg_filenames" ] || fatal "Conflicts: Missing package(s) name"
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    epm_conflicts_files
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    epm_conflicts_names
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}
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