NBash

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#!/bin/sh
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#
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# Copyright (C) 2012-2013  Etersoft
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# Copyright (C) 2012-2013  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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# This functions already run as root
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# http://ru.gentoo-wiki.com/wiki/Portage_Overlay
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# http://kb.etersoft.ru/Gentoo:_Установка_продуктов_Etersoft
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# http://linuxreviews.org/gentoo/ebuilds/
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# install one ebuild
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__emerge_install_ebuild()
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{
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    local EBUILD="$1"
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    [ -s "$EBUILD" ] || fatal ".ebuild file '$EBUILD' is missed"
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    # load ebuild and get vars
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    . $(pwd)/$EBUILD
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    [ -n "$SRC_URI" ] || fatal "Can't load SRC_URI from $EBUILD"
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    # try to detect tarballs
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    local TARBALLS=
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    local BASEDIR=$(dirname $EBUILD)
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    for i in $SRC_URI ; do
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        [ -s "$BASEDIR/$(basename $i)" ] || continue
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        TARBALLS="$TARBALLS $BASEDIR/$(basename $i)"
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    done
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    local PORTAGENAME=epm
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    local LP=/usr/local/portage/$PORTAGENAME
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    docmd mkdir -p $LP/
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    MAKECONF=/etc/portage/make.conf
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    [ -r "$MAKECONF" ] || MAKECONF=/etc/make.conf
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    if ! grep -v "^#" $MAKECONF | grep -q $LP ; then
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        echo "PORTDIR_OVERLAY=\"$LP \${PORTDIR_OVERLAY}\"" >>$MAKECONF
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        # Overlay name
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        mkdir -p $LP/profiles/
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        echo "$PORTAGENAME" > $LP/profiles/repo_name
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    fi
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    # copy tarballs
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    local DDIR=/usr/portage/distfiles
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    # FIXME: use independent dir
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    [ -d /var/calculate/remote/distfiles ] && DDIR=/var/calculate/remote/distfiles
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    docmd cp -f $TARBALLS $DDIR/ || return
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    # copy ebuild
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    docmd cp -f $EBUILD $LP/ || return
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    cd $LP
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    docmd ebuild $(basename $EBUILD) digest
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    cd -
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    # FIXME: more correcty get name
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    local PKGNAME=$(echo $EBUILD | sed -e "s|-[0-9].*||g")
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    docmd emerge -av $PKGNAME || return
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}
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# install one ebuild
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__emerge_install_tbz2()
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{
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    local TGDIR=/usr/portage/packages/app-arch
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    mkdir -p $TGDIR
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    cp $i $TGDIR || return
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    docmd emerge --usepkg $TGDIR/$(basename $i) || return
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}
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# install ebuild list
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epm_install_emerge()
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{
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    local EBUILD=
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    #local TARBALLS=
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    local i
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    # search ebuild in the args
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    for i in $* ; do
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        if echo $i | grep -q ebuild ; then
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            __emerge_install_ebuild $i || return
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        elif echo $i | grep -q "\.tbz2$" ; then
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            __emerge_install_tbz2 $i || return
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    #    else
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    #        TARBALLS="$TARBALLS $i"
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        fi
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    done
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}
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