# Copyright 2015 Neil Williams <codehelp@debian.org>
#
# 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, either version 3 of the License, or
# (at your option) any later version.
#
# 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, see <http://www.gnu.org/licenses/>.

cleanup() {
    umount ${rootdir}/proc
    umount ${rootdir}/sys
}

export DEBIAN_FRONTEND=noninteractive
export LC_ALL=C
export LANG=C
export LANGUAGE=C

mount_support() {
    mount proc -t proc ${rootdir}/proc
    mount sys -t sysfs ${rootdir}/sys
}

disable_daemons() {
    # prevent packages starting daemons inside the chroot until after boot.
    # https://wiki.debian.org/chroot
    cat > ${rootdir}/usr/sbin/policy-rc.d <<EOF
#!/bin/sh
exit 101
EOF
    chmod a+x ${rootdir}/usr/sbin/policy-rc.d
}

prepare_apt_source() {
    # handle the apt source
    mv ${rootdir}/etc/apt/sources.list.d/base.list ${rootdir}/etc/apt/
    echo "deb http://cdbuilder.debian.org/debian/ jessie main contrib non-free" > ${rootdir}/etc/apt/sources.list
    chroot ${rootdir} apt update
}

remove_daemon_block() {
    rm ${rootdir}/usr/sbin/policy-rc.d
}

replace_apt_source() {
    # Undo apt source change
    rm ${rootdir}/etc/apt/sources.list
    mv ${rootdir}/etc/apt/base.list ${rootdir}/etc/apt/sources.list.d/
}