# $Id: vserver-build.functions.pkgmgmt 2110 2005-06-30 06:16:58Z ensc $	--*- sh -*--

# Copyright (C) 2004 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.

PKGCFGBASE=
PKGCFGBASE_REL=
YUM_RELEASEPKGS=( {redhat,fedora}-release )

function pkgmgmt._setPkgCfgBase
{
    test -z "$PKGCFGBASE" || return 0

    for item in "\"$__CONFDIR/.defaults/apps/pkgmgmt/base\" 1" ${ROOTDIR:+"$ROOTDIR/.pkg"} "$__DEFAULT_VSERVERPKGDIR"; do
	eval set -- "$item"
	PKGCFGBASE=$1
	PKGCFGBASE_REL=$2
	test ! -d "$PKGCFGBASE" || break
    done

    test -d "$PKGCFGBASE"  || {
	echo "pkgcfgbase-dir '$PKGCFGBASE' does not exist or is invalid" >&2
	exit 1
    }
}

function pkgmgmt._setPkgCfg
{
    pkgmgmt._setPkgCfgBase

    test -z "$PKGCFGDIR" || return 0
    PKGCFGDIR="$PKGCFGBASE/$VSERVERDIRNAME"
}

function pkgmgmt._renameVserverPkgCfg
{
    local suffix=.~$(date +'%s')~
    local i
    
    for i in "$PKGCFGDIR"; do
	test ! -e "$i" || {
	    mv "$i" "$i$suffix"
	    say "Renamed '$i' to '$i$suffix'"
	}
    done
}

function pkgmgmt.initFilesystem
{
    test -z "$1" || pkgmgmt._renameVserverPkgCfg
    test ! -d "$PKGCFGDIR" || {
	echo $\
"vserver pkgmgmt-directory exists already; please try to use
'--force'; or remove it manually" >&2
	exit 1
    }

    mkdir -p "$PKGCFGDIR"
    base._addGeneratedFile "$PKGCFGDIR"
    
    mkdir -p "${SETUP_CONFDIR:?}"/apps/pkgmgmt

    test -z "$PKGCFGDIR" || {
	ln -s "$PKGCFGDIR" "$SETUP_CONFDIR/apps/pkgmgmt/base"

	test "$_EXECDIR" = / || ln -s "${_EXECDIR:?}" "$SETUP_CONFDIR/apps/pkgmgmt/execdir"
    }

}

function pkgmgmt.initVariables
{
    pkgmgmt._setPkgCfg
    findDir  PKGINSTALLDIR  "$__CONFDIR/.distributions/$DISTRIBUTION/pkgs"  "$__DISTRIBDIR/$DISTRIBUTION/pkgs"     /
}