freedombone/src/freedombone-image

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#!/bin/bash
#
# .---. . .
# | | |
# |--- .--. .-. .-. .-.| .-. .--.--. |.-. .-. .--. .-.
# | | (.-' (.-' ( | ( )| | | | )( )| | (.-'
# ' ' --' --' -' - -' ' ' -' -' -' ' - --'
#
# Freedom in the Cloud
#
# Creates a debian image using vmdebootstrap
#
# To shut down after error: fuser -mvk /tmp/tmpdir/build
#
# License
# =======
#
# Copyright (C) 2015-2018 Bob Mottram <bob@freedombone.net>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
PROJECT_NAME='freedombone'
export TEXTDOMAIN=${PROJECT_NAME}-image
export TEXTDOMAINDIR="/usr/share/locale"
USERHOME=$HOME
PROJECT_INSTALL_DIR=/usr/local/bin
if [ -f /usr/bin/${PROJECT_NAME} ]; then
PROJECT_INSTALL_DIR=/usr/bin
fi
source "$PROJECT_INSTALL_DIR/${PROJECT_NAME}-vars"
#get the project repo
PROJECT_REPO="https://github.com/bashrc/${PROJECT_NAME}"
UTILS_FILES="/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-*"
for f in $UTILS_FILES
do
source "$f"
done
read_config_param PROJECT_REPO
# recommended RAM for virtual machines
VM_MEMORY='1G'
VARIANT='full'
# fixed username and password when the --generic option is used
GENERIC_IMAGE_USERNAME='fbone'
GENERIC_IMAGE_PASSWORD='freedombone'
IMAGE_TYPE='beaglebone'
CURR_DIR=$(pwd)
CURR_USER="$USER"
TEMPBUILD_DIR=~/.tmp_${PROJECT_NAME}_build
VMDEBOOTSTRAP_REPO=git://git.liw.fi/vmdebootstrap
VMDEBOOTSTRAP_VERSION=0.8
MAKEFILE=${PROJECT_NAME}-image-makefile
IMAGE_SIZE=7.9G
IMAGE_SIZE_SPECIFIED=
IMAGE_NAME='full'
USERNAME="$USER"
PASSWORD=
# IP address of the router (gateway)
ROUTER_IP_ADDRESS="192.168.1.254"
# The fixed IP address of the Beaglebone Black (or other SBC) on your local network
BOX_IP_ADDRESS="192.168.1.55"
# DNS
NAMESERVER1='213.73.91.35'
NAMESERVER2='85.214.20.141'
NAMESERVER3='213.73.91.35'
NAMESERVER4='85.214.73.63'
NAMESERVER5='84.200.69.80'
NAMESERVER6='84.200.70.40'
# An optional freedombone configuration file
CONFIG_FILENAME=
DEFAULT_DOMAIN_NAME="${LOCAL_NAME}.local"
# Minimum number of characters in a password
MINIMUM_PASSWORD_LENGTH=$(grep 'MINIMUM_PASSWORD_LENGTH=' "/usr/share/${PROJECT_NAME}/utils/${PROJECT_NAME}-utils-passwords" | head -n 1 | awk -F '=' '{print $2}')
# Optional ssh public key to allow
SSH_PUBKEY="no"
# interactive mode
INTERACTIVE="no"
# Whether this is a generic image for mass redistribution on the interwebs
GENERIC_IMAGE="yes"
# Whether to reduce the number of decisions during interactive install
MINIMAL_INSTALL="yes"
# default SSH port
SSH_PORT=2222
# Whether sites are accessible only within a Tor browser
ONION_ONLY="no"
# Where to fetch packages
#MIRROR='http://httpredir.debian.org/debian'
MIRROR='http://ftp.de.debian.org/debian'
# Whether to only install debian but nothing else
DEBIAN_INSTALL_ONLY='no'
# wifi settings
WIFI_INTERFACE='wlan0'
WIFI_SSID=
WIFI_TYPE='wpa2-psk'
WIFI_PASSPHRASE=
WIFI_HOTSPOT='no'
WIFI_NETWORKS_FILE=~/${PROJECT_NAME}-wifi.cfg
# Whether to install non-free wifi drivers for the mesh client
INSECURE='no'
# for mesh installs whether to delete all data and generate
# a new identity at every shutdown/boot
AMNESIC='no'
# Is this a dedicated gnusocial or postactiv instance?
SOCIALINSTANCE=
# Versions used for Arch/Parabola setup
MBR_VERSION='1.1.11'
# version of cliapp to use with parabola
CLIAPP_COMMIT='cb17626e6441a5bf43a1d3f17a769f8e44ff4977'
# version of mbr to use with parabola
MBR_COMMIT='fb7ac88f251a1529b8aa759abc49acb2e99094b2'
# defining repo variables here ensures that they will be mirrored
MULTIPATH_TOOLS_REPO="https://aur.archlinux.org/multipath-tools.git"
MBR_REPO="https://aur.archlinux.org/mbr.git"
CLIAPP_REPO="git://git.liw.fi/cliapp"
function image_setup {
setup_type=$1
case $setup_type in
debian|ubuntu|trisquel|mint)
sudo apt-get -yq remove vmdebootstrap
sudo apt-get -yq install build-essential gcc-multilib g++-multilib libc6-dev
sudo apt-get -yq install libc6-dev-i386
sudo apt-get -yq install git python-docutils mktorrent xz-utils debootstrap
sudo apt-get -yq install dosfstools btrfs-tools extlinux python-distro-info mbr
sudo apt-get -yq install qemu-user-static binfmt-support u-boot-tools qemu
sudo apt-get -yq install python-cliapp kpartx
sudo cp /sbin/install-mbr /usr/bin/install-mbr
;;
parabola|arch)
sudo pacman -S --noconfirm libc++ git gcc gcc-libs python-docutils mktorrent patch
sudo pacman -S --noconfirm debootstrap xz dosfstools btrfs-progs syslinux python-pip
sudo pacman -S --noconfirm qemu-static binfmt-qemu-static uboot-tools qemu parted
sudo pacman -S --noconfirm dpkg-devtools bin86 arch-install-scripts qemu-arch-extra
sudo pacman -S --noconfirm syncthing
mkdir "$USERHOME/develop"
if [ -d "$USERHOME/develop/python-cliapp" ]; then
sudo rm -rf "$USERHOME/develop/python-cliapp"
fi
if ! git_clone "$CLIAPP_REPO" "$USERHOME/develop/python-cliapp"; then
echo $"Failed to clone python-cliapp"
return
fi
if [ ! -d "$USERHOME/develop/python-cliapp" ]; then
echo $"Couldn't clone python-cliapp"
return
fi
sudo pacman -S --noconfirm python2-coverage python2-pytest-cov python2-sphinx
sudo pacman -S --noconfirm autopep8 python2-pylint python2-yaml python2-xdg python2-pip
cd "$USERHOME/develop/python-cliapp" || exit 7824526242
git checkout $CLIAPP_COMMIT -b $CLIAPP_COMMIT
sudo python2 setup.py install
sudo pip2 install distro-info logging
if [ -d "$USERHOME/develop/mbr" ]; then
sudo rm -rf "$USERHOME/develop/mbr"
fi
if ! git_clone $MBR_REPO "$USERHOME/develop/mbr"; then
echo $"Failed to clone mbr"
return
fi
if [ ! -d "$USERHOME/develop/mbr" ]; then
echo $"Couldn't clone mbr"
return
fi
cd "$USERHOME/develop/mbr" || exit 2468724524
git checkout $MBR_COMMIT -b $MBR_COMMIT
makepkg --force --noconfirm
if [ ! -f mbr-${MBR_VERSION}.tar.gz ]; then
echo $"mbr tarball was not found for version ${MBR_VERSION}"
return
fi
tar -xzvf mbr-${MBR_VERSION}.tar.gz
if [ ! -d "$USERHOME/develop/mbr/mbr-${MBR_VERSION}" ]; then
echo $"mbr tarball could not be extracted"
return
fi
cd "$USERHOME/develop/mbr/mbr-${MBR_VERSION}" || exit 13584584
cp ../*.patch .
patch -p0 < *.patch
./configure
make
sudo make install
if [ ! -f /usr/local/sbin/install-mbr ]; then
echo $'Failed to install mbr'
return
fi
sudo cp /usr/local/sbin/install-mbr /sbin
if [ -d "$USERHOME/develop/multipath-tools" ]; then
sudo rm -rf "$USERHOME/develop/multipath-tools"
fi
if ! git_clone "$MULTIPATH_TOOLS_REPO" "$USERHOME/develop/multipath-tools"; then
echo $"Failed to clone multipath-tools"
return
fi
if [ ! -d "$USERHOME/develop/multipath-tools" ]; then
echo $"Couldn't clone multipath-tools"
return
fi
sudo pacman -S --noconfirm device-mapper libaio liburcu fakeroot
cd "$USERHOME/develop/multipath-tools" || exit 27462454
makepkg --force --noconfirm
makepkg -i --force --noconfirm
sudo wget "https://raw.githubusercontent.com/bashrc/freedombone/master/image_build/debootstrap/scripts/${DEBIAN_VERSION}" -O /usr/share/debootstrap/scripts/debscript
sudo cp -f "/usr/share/debootstrap/scripts/debscript" "/usr/share/debootstrap/scripts/${DEBIAN_VERSION}"
if [ ! -f "/usr/share/debootstrap/scripts/${DEBIAN_VERSION}" ]; then
echo $"No debian debootstrap script was found for $DEBIAN_VERSION"
return
fi
debian_script_hash=$(sha256sum "/usr/share/debootstrap/scripts/${DEBIAN_VERSION}" | awk -F ' ' '{print $1}')
expected_debian_script_hash='620fa84c7ef64d10349aed38fa9cc2e7f00a6fcd1bc425f33ca2b57cc946fd0c'
if [[ "$debian_script_hash" != "$expected_debian_script_hash" ]]; then
echo $"Invalid hash for debootstrap ${DEBIAN_VERSION} script"
return
fi
sudo chmod +x "/usr/share/debootstrap/scripts/${DEBIAN_VERSION}"
;;
*)
echo $'Unkown operating system'
return
;;
esac
echo $'Setup complete'
}
function mesh_router_setup_script {
# create a setup script for a mesh router
mesh_script_filename=$1
{ echo "MY_USERNAME=${USERNAME}";
echo "DEFAULT_DOMAIN_NAME=${USERNAME}";
echo 'SYSTEM_TYPE=mesh';
echo 'INSTALLING_ON_BBB=no';
echo 'USB_DRIVE=/dev/sda1';
echo 'DDNS_PROVIDER=';
echo 'DDNS_USERNAME=';
echo 'DDNS_PASSWORD=';
echo 'DEFAULT_LANGUAGE=en_GB.UTF-8';
echo 'MY_EMAIL_ADDRESS=';
echo 'ENABLE_BATMAN=yes';
echo 'DEBIAN_REPO=';
echo 'NAMESERVER1=';
echo 'NAMESERVER2=';
echo 'NAMESERVER3=';
echo 'NAMESERVER4=';
echo 'NAMESERVER5=';
echo 'NAMESERVER6=';
echo 'BATMAN_CELLID=any';
echo 'WIFI_CHANNEL=9'; } > "$mesh_script_filename"
}
while [ $# -gt 1 ]
do
key="$1"
case $key in
-h|--help)
show_help
;;
-c|--config)
shift
CONFIG_FILENAME="$1"
if [ ! -f "$CONFIG_FILENAME" ]; then
echo $"Config file $CONFIG_FILENAME not found"
exit 3
fi
DEFAULT_DOMAIN_NAME=$(grep 'DEFAULT_DOMAIN_NAME' "$CONFIG_FILENAME" | awk -F '=' '{print $2}')
;;
-t|--target|--board)
shift
IMAGE_TYPE="$1"
;;
-u|--user|--username)
shift
USERNAME="$1"
;;
-p|--password)
shift
PASSWORD="$1"
if [ ${#PASSWORD} -lt "$MINIMUM_PASSWORD_LENGTH" ]; then
echo $"Your password chould contain at least ${MINIMUM_PASSWORD_LENGTH} characters"
exit 3628
fi
;;
--sshkey|--sshpubkey|--pubkey)
shift
SSH_PUBKEY="$1"
;;
-s|--size)
shift
IMAGE_SIZE="$1"
IMAGE_SIZE_SPECIFIED=1
;;
# Box static IP address on the LAN
--ip)
shift
BOX_IP_ADDRESS="$1"
;;
# Router IP address on the LAN
--iprouter)
shift
ROUTER_IP_ADDRESS="$1"
;;
# nameserver 1
--ns1|--nameserver1)
shift
NAMESERVER1="$1"
;;
# nameserver 2
--ns2|--nameserver2)
shift
NAMESERVER2="$1"
;;
# nameserver 3
--ns3|--nameserver3)
shift
NAMESERVER2="$1"
;;
# nameserver 4
--ns4|--nameserver4)
shift
NAMESERVER4="$1"
;;
# nameserver 5
--ns5|--nameserver5)
shift
NAMESERVER5="$1"
;;
# nameserver 6
--ns6|--nameserver6)
shift
NAMESERVER6="$1"
;;
-i|--interactive)
shift
INTERACTIVE="$1"
;;
-g|--generic)
shift
GENERIC_IMAGE="$1"
;;
--minimal)
shift
MINIMAL_INSTALL="$1"
;;
--ssh|--sshport)
shift
SSH_PORT="$1"
;;
-v|--variant)
shift
VARIANT="$1"
;;
-o|--onion|--onion-addresses|--onion-addresses-only)
shift
ONION_ONLY="$1"
;;
-a|--amnesic)
shift
AMNESIC="$1"
;;
-r|--repo|--repository)
shift
PROJECT_REPO="$1"
;;
--social|--instance)
shift
SOCIALINSTANCE="$1"
;;
-m|--mirror)
shift
MIRROR="$1"
;;
--debianonly|--basic)
shift
DEBIAN_INSTALL_ONLY="$1"
;;
--interface|--if)
shift
WIFI_INTERFACE="$1"
;;
--ssid|--essid)
shift
WIFI_SSID="$1"
;;
--wifitype)
shift
WIFI_TYPE="$1"
;;
--wifipass|--passphrase)
shift
WIFI_PASSPHRASE="$1"
;;
--hotspot)
shift
if [[ $"$1" == $'yes' || $"$1" == $'y' ]]; then
WIFI_HOTSPOT='yes'
fi
;;
--networks)
shift
WIFI_NETWORKS_FILE="$1"
;;
--insecure)
shift
INSECURE="$1"
;;
--setup)
shift
image_setup "$1"
exit 0
;;
--local|--localname)
shift
LOCAL_NAME="$1"
;;
*)
# unknown option
;;
esac
shift
done
if [[ $INTERACTIVE == "yes" || $INTERACTIVE == "y" || $INTERACTIVE == "Yes" ]]; then
${PROJECT_NAME}-config --minimal "$MINIMAL_INSTALL"
if [ -f "$HOME/${PROJECT_NAME}.cfg" ]; then
CONFIG_FILENAME=$HOME/${PROJECT_NAME}.cfg
DEFAULT_DOMAIN_NAME=$(grep 'DEFAULT_DOMAIN_NAME' "$CONFIG_FILENAME" | awk -F '=' '{print $2}')
fi
fi
if [[ $GENERIC_IMAGE == "yes" ]]; then
USERNAME=$GENERIC_IMAGE_USERNAME
PASSWORD=$GENERIC_IMAGE_PASSWORD
fi
if [ ! $PASSWORD ]; then
# generate a random password
PASSWORD=$(openssl rand -base64 32 | tr -dc A-Za-z0-9 | head -c "${MINIMUM_PASSWORD_LENGTH}")
fi
# Move any existing images into a build subdirectory
image_types=( xz img sig vdi qcow2 )
# shellcheck disable=SC2068
for im in ${image_types[@]}
do
# shellcheck disable=SC2012,SC2086
no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then
if [ ! -d "${CURR_DIR}/build" ]; then
mkdir "${CURR_DIR}/build"
fi
# shellcheck disable=SC2086
mv -f ${CURR_DIR}/${PROJECT_NAME}*.${im} ${CURR_DIR}/build
fi
done
# Delete anything which didn't move
# shellcheck disable=SC2068
for im in ${image_types[@]}
do
# shellcheck disable=SC2012,SC2086
no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then
rm -f "${CURR_DIR}/${PROJECT_NAME}*.${im}"
fi
done
# Remove any existing login credentials file
if [ -f "${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt" ]; then
rm "${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt"
fi
if [ -d $TEMPBUILD_DIR ]; then
rm -rf $TEMPBUILD_DIR
fi
mkdir -p $TEMPBUILD_DIR
if [ -f /usr/local/bin/$MAKEFILE ]; then
cp /usr/local/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile
else
cp /usr/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile
fi
cp -r /etc/${PROJECT_NAME}/* $TEMPBUILD_DIR
rm -rf $TEMPBUILD_DIR/vendor
chown -R "$CURR_USER":"$CURR_USER" $TEMPBUILD_DIR
cd $TEMPBUILD_DIR || exit 24729847
if [[ $MINIMAL_INSTALL == "yes" ]]; then
IMAGE_NAME=$'min'
fi
if [[ $ONION_ONLY != "no" ]]; then
IMAGE_NAME=$'onion'
fi
if [[ $VARIANT == 'mesh' ]]; then
IMAGE_NAME=$'mesh'
# typically not much disk space is needed for a mesh node
if [ ! $IMAGE_SIZE_SPECIFIED ]; then
IMAGE_SIZE=5G
fi
fi
if [[ $VARIANT == 'meshclient' || $VARIANT == 'meshusb' ]]; then
IMAGE_NAME=$'meshclient'
if [[ $INSECURE != 'no' ]]; then
IMAGE_NAME=$'meshclient-insecure'
fi
if [ ! $IMAGE_SIZE_SPECIFIED ]; then
IMAGE_SIZE=15.0G
fi
fi
if [[ $VARIANT == 'usb' ]]; then
IMAGE_NAME=$'usb'
fi
# append amnesic to the image name if needed
if [[ $AMNESIC != 'no' ]]; then
IMAGE_NAME="${IMAGE_NAME}-amnesic"
fi
if [[ "$SOCIALINSTANCE" == "gnusocial" || "$SOCIALINSTANCE" == "postactiv" || "$SOCIALINSTANCE" == "pleroma" ]]; then
IMAGE_NAME="${IMAGE_NAME}-${SOCIALINSTANCE}"
fi
cd $TEMPBUILD_DIR || exit 724245267
make "$IMAGE_TYPE" \
MYUSERNAME="$USERNAME" \
MYPASSWORD="$PASSWORD" \
ROUTER_IP_ADDRESS="$ROUTER_IP_ADDRESS" \
BOX_IP_ADDRESS="$BOX_IP_ADDRESS" \
NAMESERVER1="$NAMESERVER1" \
NAMESERVER2="$NAMESERVER2" \
NAMESERVER3="$NAMESERVER3" \
NAMESERVER4="$NAMESERVER4" \
NAMESERVER5="$NAMESERVER5" \
NAMESERVER6="$NAMESERVER6" \
PROJECT_NAME="$PROJECT_NAME" \
CONFIG_FILENAME="$CONFIG_FILENAME" \
IMAGE_SIZE="$IMAGE_SIZE" \
SSH_PUBKEY="$SSH_PUBKEY" \
GENERIC_IMAGE="$GENERIC_IMAGE" \
MINIMAL_INSTALL="$MINIMAL_INSTALL" \
SSH_PORT="$SSH_PORT" \
ONION_ONLY="$ONION_ONLY" \
IMAGE_NAME="$IMAGE_NAME" \
PROJECT_REPO="$PROJECT_REPO" \
MIRROR="$MIRROR" \
BUILD_MIRROR="$MIRROR" \
DEBIAN_INSTALL_ONLY="$DEBIAN_INSTALL_ONLY" \
WIFI_INTERFACE="$WIFI_INTERFACE" \
WIFI_SSID="$WIFI_SSID" \
WIFI_TYPE="$WIFI_TYPE" \
WIFI_PASSPHRASE="$WIFI_PASSPHRASE" \
WIFI_HOTSPOT="$WIFI_HOTSPOT" \
WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE" \
VARIANT="$VARIANT" \
MINIMUM_PASSWORD_LENGTH="$MINIMUM_PASSWORD_LENGTH" \
INSECURE="$INSECURE" \
AMNESIC="$AMNESIC" \
SOCIALINSTANCE="$SOCIALINSTANCE" \
LOCAL_NAME="$LOCAL_NAME"
# shellcheck disable=SC2181
if [ ! "$?" = "0" ]; then
echo $'Build failed'
rm -rf $TEMPBUILD_DIR
exit 1
fi
EXPECTED_EXTENSION='xz'
if [[ $IMAGE_TYPE == "qemu"* ]]; then
EXPECTED_EXTENSION='qcow2'
fi
shopt -s nullglob
imgfiles=("build/${PROJECT_NAME}*.${EXPECTED_EXTENSION}")
if [ ${#imgfiles[@]} -eq 0 ]; then
echo $'Image was not created'
rm -rf $TEMPBUILD_DIR
exit 2
fi
# Move images from temporary directory to the current directory
# shellcheck disable=SC2068
for im in ${image_types[@]}
do
# shellcheck disable=SC2012,SC2086
no_of_files=$(ls -afq build/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then
# shellcheck disable=SC2086
mv build/${PROJECT_NAME}*.${im} ${CURR_DIR}/
# shellcheck disable=SC2086
sudo chown "${CURR_USER}":"${CURR_USER}" ${CURR_DIR}/*.${im}
fi
done
# Remove the temporary directory
rm -rf ${TEMPBUILD_DIR}
cd "${CURR_DIR}" || exit 2842845284
clear
if [[ $VARIANT != 'meshclient' && $VARIANT != 'meshusb' && $VARIANT != 'mesh' ]]; then
echo $"
Image was created.
You will be able to log into it with:
"
if [[ $IMAGE_TYPE != "qemu"* ]]; then
echo $" ssh $USERNAME@$DEFAULT_DOMAIN_NAME -p $SSH_PORT
Password: $PASSWORD
"
else
if [[ $IMAGE_TYPE != "qemu"* ]]; then
echo $" Username: $USERNAME
Password: $PASSWORD
"
else
if [[ $IMAGE_TYPE != "qemu-x86_64"* && $IMAGE_TYPE != "qemu-amd64"* ]]; then
echo "qemu-system-i386 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)"
else
echo "qemu-system-x86_64 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)"
fi
echo $"
Username: $USERNAME
Password: $PASSWORD
"
fi
fi
else
echo $"
Image was created.
"
fi
ls -lh ${PROJECT_NAME}*.img ${PROJECT_NAME}*.sig ${PROJECT_NAME}*.xz ${PROJECT_NAME}*.vdi ${PROJECT_NAME}*.qcow2
# Remove the mesh script after use
if [[ $VARIANT == "mesh"* ]]; then
rm -f "$CONFIG_FILENAME"
fi
# record the default login credentials for later use
echo $"Username: $USERNAME
Password: $PASSWORD" > "${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt"
chmod 600 "${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt"
if [[ $IMAGE_TYPE != "qemu"* ]]; then
echo ''
if [[ $VARIANT != 'meshclient' && $VARIANT != 'meshusb' ]]; then
echo $'You can copy the image to a microSD card with:'
else
echo $'You can copy the image to a USB drive with:'
fi
echo ''
echo " unxz -k ${PROJECT_NAME}*.img.xz"
echo ' sudo dd if=/dev/zero of=/dev/sdX bs=1M count=8'
echo " sudo dd bs=1M if=${PROJECT_NAME}*.img of=/dev/sdX conv=fdatasync"
echo ''
fi
exit 0