#!/bin/bash
#
# Copyright 2013, Intel Inc.
#
# 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 Library 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
# native

#author: Ronan Le Martret ronan@fridu.net

GIT_CMD=git
GIT_CLONE="${GIT_CMD} clone"
GIT_FETCH="${GIT_CMD} fetch --all"
GIT_PULL="${GIT_CMD} pull"
GIT_RESET="${GIT_CMD} reset --hard"
GIT_CO="${GIT_CMD} checkout"

#Working directory
#Change TOPDIR to your working directory.
TOPDIR=/ssd
YOCTO_DOWNLOAD=${TOPDIR}/download

# The base project is pocky from "git://git.yoctoproject.org/poky" but for developpement needs, we fork the project on a private server.
POCKY_DIR=${TOPDIR}/yocto-Tizen-Generic
YOCTO_OPEN_TIZEN_GIT=git://git.yoctoproject.org/poky
YOCTO_OPEN_TIZEN_BRANCH=master
YOCTO_OPEN_TIZEN_SHA=

#set build name and directory

BUILDIR=build_nuc
if [ ! -z  ${CHECKOUTTIZEN}  ]; then
    BUILDIR=${BUILDIR}_tizen
fi

BUILDPATH=${POCKY_DIR}/${BUILDIR}

# We also need to include Intel BSP
META_INTEL_DIR=${POCKY_DIR}/meta-intel
META_INTEL_GIT=git://git.yoctoproject.org/meta-intel
META_INTEL_BRANCH=master
META_INTEL_SHA=

# We need extra meta from openembedded
META_OPENEMBEDDED_DIR=${POCKY_DIR}/meta-openembedded
META_OPENEMBEDDED_GIT=git://git.openembedded.org/meta-openembedded
META_OPENEMBEDDED_BRANCH=master
META_OPENEMBEDDED_SHA=

# We need extra meta from meta-pure-wayland
META_PURE_WAYLAND_DIR=${POCKY_DIR}/meta-pure-wayland
META_PURE_WAYLAND_BRANCH=master
META_PURE_WAYLAND_SHA=

# For the project Tizen on
YOCTOTIZEN_DIR=${TOPDIR}/yoctoTizen
YOCTOTIZEN_GIT=git@github.com:eurogiciel-oss/yoctoTizen.git
YOCTOTIZEN_BRANCH=devel
YOCTOTIZEN_SHA=

function checkout_project
{
echo _________________________________________________________________________

INSTALL_DIR=$1
GIT_SRC=$2
GIT_BRANCH=$3
GIT_SHA=$4

echo start to update directory : ${INSTALL_DIR}
echo     from project : ${GIT_SRC}
echo          branch  : ${GIT_BRANCH}
echo          sha     : ${GIT_SHA}
echo

if [ -d ${INSTALL_DIR}/.git ]; then
    cd ${INSTALL_DIR}
    ${GIT_FETCH}
    ${GIT_CO} ${GIT_BRANCH}
    if [ $? = 0 ] ; then
        echo fetch and checkout OK
    else
        echo fetch and checkout FAILED
    fi
else
    if [ -d ${INSTALL_DIR} ] ; then
        rm -fr ${INSTALL_DIR}
    fi
    ${GIT_CLONE} ${GIT_SRC} -b ${GIT_BRANCH} ${INSTALL_DIR}
    if [ $? = 0 ] ; then
        echo ${GIT_CLONE} OK
    else
        echo ${GIT_CLONE} FAILED
    fi
    cd ${INSTALL_DIR}
fi
if [ ! -z ${GIT_SHA} ] ; then
    ${GIT_RESET} ${GIT_SHA}
    if [ $? = 0 ] ; then
        echo ${GIT_RESET} OK
    else
        echo ${GIT_RESET} FAILED
    fi
fi
echo
}

function add_meta_to_bblayers
{
echo
META_DIR=$1
BBLAYER_FILE=$2
echo add \"${META_DIR}\" to file ${BBLAYER_FILE}.

if grep -q "${META_DIR} " "${BBLAYER_FILE}"; then
	echo ${META_DIR} is already present in ${BBLAYER_FILE}.
else
	sed -i -e '/meta-yocto-bsp/a \  '${META_DIR}' \\' ${BBLAYER_FILE}
fi
}

function change_conf_default_value
{
DEFAULT_VALUE=$1
OUR_VALUE=$2
CONF_FILE=$3
echo
echo into file ${CONF_FILE}
echo '    change value' \"${DEFAULT_VALUE}\" by \"${OUR_VALUE}\"

if grep -q "${OUR_VALUE}" ${CONF_FILE} ;then
	echo \"${OUR_VALUE}\" is set in ${CONF_FILE}.
else
	sed -i -e "s,${DEFAULT_VALUE},${OUR_VALUE},g" ${CONF_FILE}
fi
}

function insert_conf
{
OUR_VALUE=$1
CONF_FILE=$2
echo
echo add ${OUR_VALUE} to ${CONF_FILE}
if grep -q "${OUR_VALUE}" ${CONF_FILE} ; then
	echo is already add ${OUR_VALUE}
else
	echo
	echo ${OUR_VALUE} >> ${CONF_FILE}
fi

}

function print_end_update
{
IMAGE_DST=$1
echo _________________________________________________________________________
echo
echo
echo
echo '... project Tizen Generic in directory '${BUILDPATH}' is ready for work'
echo
echo '   #  cd '${POCKY_DIR}
echo '   #  source ./oe-init-build-env '${BUILDIR}
echo '   #  bitbake -k '${IMAGE_DST}
echo '   #  ...'
echo 'After image build:'
echo '   #  sudo dd if='${BUILDPATH}'/tmp/deploy/images/chiefriver/'${IMAGE_DST}'-chiefriver.hddimg of=/dev/sdX'
echo '       ( /dev/sdX  is your usb devise \"ls -l /dev/sd*\" ).'
echo 'Warning: Before the first use read the file:'
echo '   # less '${YOCTOTIZEN_DIR}'/README'
echo
echo _________________________________________________________________________
}