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# Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

# Syntax is:
#   * install_iserial $ID $IMAGE_MOUNTPOINT
#   * unpack_image $IMAGE... $IMAGE_UNPACKED
#   * mount_image $IMAGE $MOUNTPOINT
#   * unmount_image $MOUNTPOINT
#
# Author: Aleksander Mistewicz <a.mistewicz@samsung.com>

install_iserial() {
    test -n "${TESTLAB_SCRIPTS}" || die "Missing env: testlab_scripts!"
    ID="$1"
    IMAGE_MOUNTPOINT="$2"
    test -n "${ID}" || die "Missing argument: id!"
    test -n "${IMAGE_MOUNTPOINT}" || die "Missing argument: image_mountpoint!"

    sudo sh -c "echo \"${ID}\" > \"${IMAGE_MOUNTPOINT}/etc/id\""

    sudo cp "${TESTLAB_SCRIPTS}/prepare/iserial.service" \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/"
    sudo cp "${TESTLAB_SCRIPTS}/prepare/iserial.sh" "${IMAGE_MOUNTPOINT}/usr/sbin/"
    sudo ln -s /usr/lib/systemd/system/iserial.service \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/multi-user.target.wants/iserial.service"
}

install_iserial_artik() {
    test -n "${TESTLAB_SCRIPTS}" || die "Missing env: testlab_scripts!"
    ID="$1"
    IMAGE_MOUNTPOINT="$2"
    test -n "${ID}" || die "Missing argument: id!"
    test -n "${IMAGE_MOUNTPOINT}" || die "Missing argument: image_mountpoint!"

    sudo sh -c "echo \"${ID}\" > \"${IMAGE_MOUNTPOINT}/etc/id\""

    sudo cp "${TESTLAB_SCRIPTS}/prepare/direct_set_debug.sh" "${IMAGE_MOUNTPOINT}/usr/bin/"
    sudo cp "${TESTLAB_SCRIPTS}/prepare/sdb-prestart.timer" "${TESTLAB_SCRIPTS}/prepare/sdb-prestart.service" \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/"
    sudo cp "${TESTLAB_SCRIPTS}/prepare/iserial.sh" "${IMAGE_MOUNTPOINT}/usr/sbin/"
    sudo ln -s /usr/lib/systemd/system/sdb-prestart.timer \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/multi-user.target.wants/sdb-prestart.timer"
}

install_hdmi_force() {
    test -n "${TESTLAB_SCRIPTS}" || die "Missing env: testlab_scripts!"
    IMAGE_MOUNTPOINT="$1"
    test -n "${IMAGE_MOUNTPOINT}" || die "Missing argument: image_mountpoint!"
    sudo cp "${TESTLAB_SCRIPTS}/prepare/hdmi_force.sh" "${IMAGE_MOUNTPOINT}/usr/sbin/"
    sudo sed -i 's|^ExecStart|ExecStartPre=/usr/sbin/hdmi_force.sh\nExecStart|' \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/display-manager.service"
}

set_usb_mode() {
    IMAGE_MOUNTPOINT="$1"
    test -n "${IMAGE_MOUNTPOINT}" || die "Missing argument: image_mountpoint!"
    sudo sed -i 's|^ExecStart|ExecStartPre=/usr/bin/vconftool set -f -t int db/usb/sel_mode 4\nExecStart|' \
        "${IMAGE_MOUNTPOINT}/usr/lib/systemd/system/deviced.service"
}

replace_params() {
    test -n "${TESTLAB_SCRIPTS}" || die "Missing env: testlab_scripts!"
    IMAGE_MOUNTPOINT="$1"
    ARTIK_MODEL="$2"
    test -n "${IMAGE_MOUNTPOINT}" || die "Missing argument: image_mountpoint!"
    test -n "${ARTIK_MODEL}" || die "Missing argument: artik_model!"
    sudo cp "${TESTLAB_SCRIPTS}/prepare/params_${ARTIK_MODEL}" "${IMAGE_MOUNTPOINT}/params.bin"
}

unpack_image() {
    test $# -ge 2 || die "Too few arguments!"
    eval DESTINATION=\$$#
    test -d "${DESTINATION}" || mkdir -p "${DESTINATION}"

    while [ $# -ge 2 ]; do
        IMAGE="$1"
        test -f "${IMAGE}" || die "The image does not exist or is not a regular file: ${IMAGE}!"
        tar xvf "${IMAGE}" -C "${DESTINATION}" || die "tar: extracting files from archive failed!"
        shift
    done
}

mount_image() {
    IMAGE="$1"
    MOUNTPOINT="$2"

    test -n "${IMAGE}" || die "Missing argument: image"
    test -n "${MOUNTPOINT}" || die "Missing argument: mountpoint"
    test -d "${MOUNTPOINT}" || mkdir -p "${MOUNTPOINT}"

    sudo mount -o loop "${IMAGE}" "${MOUNTPOINT}"
}

unmount_image() {
    MOUNTPOINT="$1"
    test -n "${MOUNTPOINT}" || die "Missing argument: mountpoint"

    sudo umount -d "${MOUNTPOINT}"
}