chroot.sh

#!/bin/bash -ex
#
# Copyright (c) 2012-2016 Robert Nelson <robertcnelson@gmail.com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.

DIR=$PWD
host_arch="$(uname -m)"
time=$(date +%Y-%m-%d)
OIB_DIR="$(dirname "$( cd "$(dirname "$0")" ; pwd -P )" )"
chroot_completed="false"

abi=aa

. "${DIR}/.project"

check_defines () {
	if [ ! "${tempdir}" ] ; then
		echo "scripts/deboostrap_first_stage.sh: Error: tempdir undefined"
		exit 1
	fi

	cd "${tempdir}/" || true
	test_tempdir=$(pwd -P)
	cd "${DIR}/" || true

	if [ ! "x${tempdir}" = "x${test_tempdir}" ] ; then
		tempdir="${test_tempdir}"
		echo "Log: tempdir is really: [${test_tempdir}]"
	fi

	if [ ! "${export_filename}" ] ; then
		echo "scripts/deboostrap_first_stage.sh: Error: export_filename undefined"
		exit 1
	fi

	if [ ! "${deb_distribution}" ] ; then
		echo "scripts/deboostrap_first_stage.sh: Error: deb_distribution undefined"
		exit 1
	fi

	if [ ! "${deb_codename}" ] ; then
		echo "scripts/deboostrap_first_stage.sh: Error: deb_codename undefined"
		exit 1
	fi

	if [ ! "${deb_arch}" ] ; then
		echo "scripts/deboostrap_first_stage.sh: Error: deb_arch undefined"
		exit 1
	fi

	if [ ! "${apt_proxy}" ] ; then
		apt_proxy=""
	fi

	case "${deb_distribution}" in
	debian)
		deb_components=${deb_components:-"main contrib non-free"}
		deb_mirror=${deb_mirror:-"httpredir.debian.org/debian/"}
		;;
	ubuntu)
		deb_components=${deb_components:-"main universe multiverse"}
		deb_mirror=${deb_mirror:-"ports.ubuntu.com/ubuntu-ports/"}
		;;
	esac

	if [ ! "${rfs_username}" ] ; then
		##Backwards compat pre variables.txt doc
		if [ "${user_name}" ] ; then
			rfs_username="${user_name}"
		else
			rfs_username="${deb_distribution}"
			echo "rfs_username: undefined using: [${rfs_username}]"
		fi
	fi

	if [ ! "${rfs_fullname}" ] ; then
		##Backwards compat pre variables.txt doc
		if [ "${full_name}" ] ; then
			rfs_fullname="${full_name}"
		else
			rfs_fullname="Demo User"
			echo "rfs_fullname: undefined using: [${rfs_fullname}]"
		fi
	fi

	if [ ! "${rfs_password}" ] ; then
		##Backwards compat pre variables.txt doc
		if [ "${password}" ] ; then
			rfs_password="${password}"
		else
			rfs_password="temppwd"
			echo "rfs_password: undefined using: [${rfs_password}]"
		fi
	fi

	if [ ! "${rfs_hostname}" ] ; then
		##Backwards compat pre variables.txt doc
		if [ "${image_hostname}" ] ; then
			rfs_hostname="${image_hostname}"
		else
			rfs_hostname="arm"
			echo "rfs_hostname: undefined using: [${rfs_hostname}]"
		fi
	fi

	if [ "x${deb_additional_pkgs}" = "x" ] ; then
		##Backwards compat pre configs
		if [ ! "x${base_pkg_list}" = "x" ] ; then
			deb_additional_pkgs="$(echo ${base_pkg_list} | sed 's/,/ /g')"
		fi
	else
		deb_additional_pkgs="$(echo ${deb_additional_pkgs} | sed 's/,/ /g')"
	fi

	if [ ! "x${deb_include}" = "x" ] ; then
		include=$(echo ${deb_include} | sed 's/,/ /g')
		deb_additional_pkgs="${deb_additional_pkgs} ${include}"
	fi

	if [ "x${repo_rcnee}" = "xenable" ] ; then
		if [ ! "x${repo_rcnee_pkg_list}" = "x" ] ; then
			deb_additional_pkgs="${deb_additional_pkgs} ${repo_rcnee_pkg_list}"
		fi
	fi
}

report_size () {
	echo "Log: Size of: [${tempdir}]: $(du -sh ${tempdir} 2>/dev/null | awk '{print $1}')"
}

chroot_mount_run () {
	if [ ! -d "${tempdir}/run" ] ; then
		sudo mkdir -p ${tempdir}/run || true
		sudo chmod -R 755 ${tempdir}/run
	fi

	if [ "$(mount | grep ${tempdir}/run | awk '{print $3}')" != "${tempdir}/run" ] ; then
		sudo mount -t tmpfs run "${tempdir}/run"
	fi
}

chroot_mount () {
	if [ "$(mount | grep ${tempdir}/sys | awk '{print $3}')" != "${tempdir}/sys" ] ; then
		sudo mount -t sysfs sysfs "${tempdir}/sys"
	fi

	if [ "$(mount | grep ${tempdir}/proc | awk '{print $3}')" != "${tempdir}/proc" ] ; then
		sudo mount -t proc proc "${tempdir}/proc"
	fi

	if [ ! -d "${tempdir}/dev/pts" ] ; then
		sudo mkdir -p ${tempdir}/dev/pts || true
	fi

	if [ "$(mount | grep ${tempdir}/dev/pts | awk '{print $3}')" != "${tempdir}/dev/pts" ] ; then
		sudo mount -t devpts devpts "${tempdir}/dev/pts"
	fi
}

chroot_umount () {
	if [ "$(mount | grep ${tempdir}/dev/pts | awk '{print $3}')" = "${tempdir}/dev/pts" ] ; then
		echo "Log: umount: [${tempdir}/dev/pts]"
		sync
		sudo umount -fl "${tempdir}/dev/pts"

		if [ "$(mount | grep ${tempdir}/dev/pts | awk '{print $3}')" = "${tempdir}/dev/pts" ] ; then
			echo "Log: ERROR: umount [${tempdir}/dev/pts] failed..."
			exit 1
		fi
	fi

	if [ "$(mount | grep ${tempdir}/proc | awk '{print $3}')" = "${tempdir}/proc" ] ; then
		echo "Log: umount: [${tempdir}/proc]"
		sync
		sudo umount -fl "${tempdir}/proc"

		if [ "$(mount | grep ${tempdir}/proc | awk '{print $3}')" = "${tempdir}/proc" ] ; then
			echo "Log: ERROR: umount [${tempdir}/proc] failed..."
			exit 1
		fi
	fi

	if [ "$(mount | grep ${tempdir}/sys | awk '{print $3}')" = "${tempdir}/sys" ] ; then