# $Id: vserver-build.functions.yum,v 1.5 2005/04/16 21:20:45 ensc Exp $	--*- sh -*--

# Copyright (C) 2003 Enrico Scholz <enrico.scholz@informatik.tu-chemnitz.de>
#  
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License.
#  
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#  
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.

function yum.installBasePackages
{
    local name="$1"
    local dir="$2"

    test "$dir" != / || return 0
    for filelist in "$dir"/*; do
	isRegularFile "$filelist" || continue
	local idx=0
	local can_fail=false
	local flags=

	set -- $(<$filelist)
	while test "$#" -gt 0; do
	    case "$1" in
		--reinstall) flags='';;
		--can-fail)  can_fail=true;;
		*)  	     break;;
	    esac
	    shift
	done
	"$_VYUM" "$name" -- -y install $flags $* || $can_fail
    done
}

function yum.initVariables
{
    findDir  YUMREPOSDEFAULT \
	"$__CONFDIR/.distributions/$DISTRIBUTION/yum.repos.d" \
	"$__DISTRIBDIR/$DISTRIBUTION/yum.repos.d" \
	''
}

function yum.__substituteConf
{
    local f=$1
    local prefix=$2

    if test -e "$f"; then
	$_SED -e "s!@YUMETCDIR@!$prefix$PKGCFGDIR/yum/etc!g;
		  s!@YUMCACHEDIR@!$prefix$PKGCFGDIR/yum/cache!g;
		  s!@YUMLOGDIR@!$prefix$PKGCFGDIR/yum!g;
		  s!@YUMLOCKDIR@!$prefix$PKGCFGDIR/yum!g;
                 " "$f" >"$f.tmp"
	$_CMP -s "$f" "$f.tmp" || $_CAT "$f.tmp" >"$f"
	$_RM -f "$f.tmp"
    fi
}

function yum.initFilesystem
{
    mkdir -p "$PKGCFGDIR"/yum/{etc,cache}
    
    populateDirectory "$PKGCFGDIR/yum/etc" \
	"$__DISTRIBDIR/defaults/yum" \
	"$__DISTRIBDIR/$DISTRIBUTION/yum" \
	"$__CONFDIR/.distributions/$DISTRIBUTION/yum"

    ## workaround for yum's automatism to search the configuration in the chroot
    
    local f0="$PKGCFGDIR"/yum/etc/yum.conf
    local f1="$PKGCFGDIR"/yum/etc/yum-hack.conf
    cp -a "$f0" "$f1"

    yum.__substituteConf "$f0" 'hostfs://'
    yum.__substituteConf "$f1" '/../../../../../../../../../../../../'

    test -z "$YUMREPOSDEFAULT" -o -e "$PKGCFGDIR/yum/etc/yum.repos.d" || \
	$_LN_S "$YUMREPOSDEFAULT"   "$PKGCFGDIR/yum/etc/yum.repos.d"
}
