Keep the mesh client image size small, so that it can be copied quickly

This commit is contained in:
Bob Mottram 2016-07-27 08:34:17 +01:00
parent 1965bf7668
commit 0c14b14603
1 changed files with 251 additions and 248 deletions

View File

@ -119,220 +119,220 @@ INSECURE='no'
AMNESIC='no' AMNESIC='no'
mesh_router_setup_script() { mesh_router_setup_script() {
# create a setup script for a mesh router # create a setup script for a mesh router
mesh_script_filename=$1 mesh_script_filename=$1
echo "MY_USERNAME=${USERNAME}" > $mesh_script_filename echo "MY_USERNAME=${USERNAME}" > $mesh_script_filename
echo "DEFAULT_DOMAIN_NAME=${USERNAME}" >> $mesh_script_filename echo "DEFAULT_DOMAIN_NAME=${USERNAME}" >> $mesh_script_filename
echo 'SYSTEM_TYPE=mesh' >> $mesh_script_filename echo 'SYSTEM_TYPE=mesh' >> $mesh_script_filename
echo 'INSTALLING_ON_BBB=no' >> $mesh_script_filename echo 'INSTALLING_ON_BBB=no' >> $mesh_script_filename
echo 'USB_DRIVE=/dev/sda1' >> $mesh_script_filename echo 'USB_DRIVE=/dev/sda1' >> $mesh_script_filename
echo 'DDNS_PROVIDER=' >> $mesh_script_filename echo 'DDNS_PROVIDER=' >> $mesh_script_filename
echo 'DDNS_USERNAME=' >> $mesh_script_filename echo 'DDNS_USERNAME=' >> $mesh_script_filename
echo 'DDNS_PASSWORD=' >> $mesh_script_filename echo 'DDNS_PASSWORD=' >> $mesh_script_filename
echo 'DEFAULT_LANGUAGE=en_GB.UTF-8' >> $mesh_script_filename echo 'DEFAULT_LANGUAGE=en_GB.UTF-8' >> $mesh_script_filename
echo 'MY_EMAIL_ADDRESS=' >> $mesh_script_filename echo 'MY_EMAIL_ADDRESS=' >> $mesh_script_filename
echo 'ENABLE_CJDNS=no' >> $mesh_script_filename echo 'ENABLE_CJDNS=no' >> $mesh_script_filename
echo 'ENABLE_BATMAN=yes' >> $mesh_script_filename echo 'ENABLE_BATMAN=yes' >> $mesh_script_filename
echo 'ENABLE_BABEL=no' >> $mesh_script_filename echo 'ENABLE_BABEL=no' >> $mesh_script_filename
echo 'DEBIAN_REPO=' >> $mesh_script_filename echo 'DEBIAN_REPO=' >> $mesh_script_filename
echo 'NAMESERVER1=' >> $mesh_script_filename echo 'NAMESERVER1=' >> $mesh_script_filename
echo 'NAMESERVER2=' >> $mesh_script_filename echo 'NAMESERVER2=' >> $mesh_script_filename
echo 'BATMAN_CELLID=any' >> $mesh_script_filename echo 'BATMAN_CELLID=any' >> $mesh_script_filename
echo 'WIFI_CHANNEL=9' >> $mesh_script_filename echo 'WIFI_CHANNEL=9' >> $mesh_script_filename
} }
while [[ $# > 1 ]] while [[ $# > 1 ]]
do do
key="$1" key="$1"
case $key in case $key in
-h|--help) -h|--help)
show_help show_help
;; ;;
-c|--config) -c|--config)
shift shift
CONFIG_FILENAME="$1" CONFIG_FILENAME="$1"
if [ ! -f $CONFIG_FILENAME ]; then if [ ! -f $CONFIG_FILENAME ]; then
echo $"Config file $CONFIG_FILENAME not found" echo $"Config file $CONFIG_FILENAME not found"
exit 3 exit 3
fi fi
DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}') DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}')
;; ;;
-t|--target|--board) -t|--target|--board)
shift shift
IMAGE_TYPE="$1" IMAGE_TYPE="$1"
;; ;;
-u|--user|--username) -u|--user|--username)
shift shift
USERNAME="$1" USERNAME="$1"
;; ;;
-p|--password) -p|--password)
shift shift
PASSWORD="$1" PASSWORD="$1"
if [ ${#PASSWORD} -lt $MINIMUM_PASSWORD_LENGTH ]; then if [ ${#PASSWORD} -lt $MINIMUM_PASSWORD_LENGTH ]; then
echo $"Your password chould contain at least ${MINIMUM_PASSWORD_LENGTH} characters" echo $"Your password chould contain at least ${MINIMUM_PASSWORD_LENGTH} characters"
exit 3628 exit 3628
fi fi
;; ;;
--sshkey|--sshpubkey|--pubkey) --sshkey|--sshpubkey|--pubkey)
shift shift
SSH_PUBKEY="$1" SSH_PUBKEY="$1"
;; ;;
-s|--size) -s|--size)
shift shift
IMAGE_SIZE="$1" IMAGE_SIZE="$1"
IMAGE_SIZE_SPECIFIED=1 IMAGE_SIZE_SPECIFIED=1
;; ;;
# Box static IP address on the LAN # Box static IP address on the LAN
--ip) --ip)
shift shift
BOX_IP_ADDRESS="$1" BOX_IP_ADDRESS="$1"
;; ;;
# Router IP address on the LAN # Router IP address on the LAN
--iprouter) --iprouter)
shift shift
ROUTER_IP_ADDRESS="$1" ROUTER_IP_ADDRESS="$1"
;; ;;
# nameserver 1 # nameserver 1
--ns1|--nameserver1) --ns1|--nameserver1)
shift shift
NAMESERVER1="$1" NAMESERVER1="$1"
;; ;;
# nameserver 2 # nameserver 2
--ns2|--nameserver2) --ns2|--nameserver2)
shift shift
NAMESERVER2="$1" NAMESERVER2="$1"
;; ;;
-i|--interactive) -i|--interactive)
shift shift
INTERACTIVE="$1" INTERACTIVE="$1"
;; ;;
-g|--generic) -g|--generic)
shift shift
GENERIC_IMAGE="$1" GENERIC_IMAGE="$1"
;; ;;
--minimal) --minimal)
shift shift
MINIMAL_INSTALL="$1" MINIMAL_INSTALL="$1"
;; ;;
--ssh|--sshport) --ssh|--sshport)
shift shift
SSH_PORT="$1" SSH_PORT="$1"
;; ;;
-v|--variant) -v|--variant)
shift shift
VARIANT="$1" VARIANT="$1"
;; ;;
-o|--onion) -o|--onion)
shift shift
ONION_ONLY="$1" ONION_ONLY="$1"
;; ;;
-a|--amnesic) -a|--amnesic)
shift shift
AMNESIC="$1" AMNESIC="$1"
;; ;;
-r|--repo|--repository) -r|--repo|--repository)
shift shift
PROJECT_REPO="$1" PROJECT_REPO="$1"
;; ;;
-m|--mirror) -m|--mirror)
shift shift
MIRROR="$1" MIRROR="$1"
;; ;;
--debianonly|--basic|--minimal) --debianonly|--basic|--minimal)
shift shift
DEBIAN_INSTALL_ONLY="$1" DEBIAN_INSTALL_ONLY="$1"
;; ;;
--interface|--if) --interface|--if)
shift shift
WIFI_INTERFACE="$1" WIFI_INTERFACE="$1"
;; ;;
--ssid|--essid) --ssid|--essid)
shift shift
WIFI_SSID="$1" WIFI_SSID="$1"
;; ;;
--wifitype) --wifitype)
shift shift
WIFI_TYPE="$1" WIFI_TYPE="$1"
;; ;;
--wifipass|--passphrase) --wifipass|--passphrase)
shift shift
WIFI_PASSPHRASE="$1" WIFI_PASSPHRASE="$1"
;; ;;
--hotspot) --hotspot)
shift shift
if [[ $"$1" == $'yes' || $"$1" == $'y' ]]; then if [[ $"$1" == $'yes' || $"$1" == $'y' ]]; then
WIFI_HOTSPOT='yes' WIFI_HOTSPOT='yes'
fi fi
;; ;;
--networks) --networks)
shift shift
WIFI_NETWORKS_FILE="$1" WIFI_NETWORKS_FILE="$1"
;; ;;
--insecure) --insecure)
shift shift
INSECURE="$1" INSECURE="$1"
;; ;;
*) *)
# unknown option # unknown option
;; ;;
esac esac
shift shift
done done
if [[ $INTERACTIVE == "yes" || $INTERACTIVE == "y" || $INTERACTIVE == "Yes" ]]; then if [[ $INTERACTIVE == "yes" || $INTERACTIVE == "y" || $INTERACTIVE == "Yes" ]]; then
${PROJECT_NAME}-config --minimal "$MINIMAL_INSTALL" ${PROJECT_NAME}-config --minimal "$MINIMAL_INSTALL"
if [ -f freedombone.cfg ]; then if [ -f freedombone.cfg ]; then
CONFIG_FILENAME=freedombone.cfg CONFIG_FILENAME=freedombone.cfg
DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}') DEFAULT_DOMAIN_NAME=$(cat $CONFIG_FILENAME | grep 'DEFAULT_DOMAIN_NAME' | awk -F '=' '{print $2}')
fi fi
fi fi
if [[ $GENERIC_IMAGE == "yes" ]]; then if [[ $GENERIC_IMAGE == "yes" ]]; then
USERNAME=$GENERIC_IMAGE_USERNAME USERNAME=$GENERIC_IMAGE_USERNAME
PASSWORD=$GENERIC_IMAGE_PASSWORD PASSWORD=$GENERIC_IMAGE_PASSWORD
fi fi
if [ ! $PASSWORD ]; then if [ ! $PASSWORD ]; then
# generate a random password # generate a random password
PASSWORD="$(openssl rand -base64 30 | cut -c1-${MINIMUM_PASSWORD_LENGTH})" PASSWORD="$(openssl rand -base64 30 | cut -c1-${MINIMUM_PASSWORD_LENGTH})"
fi fi
# Move any existing images into a build subdirectory # Move any existing images into a build subdirectory
image_types=( xz img sig vdi qcow2 ) image_types=( xz img sig vdi qcow2 )
for im in "${image_types[@]}" for im in "${image_types[@]}"
do do
no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l) no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then if (( no_of_files > 0 )); then
if [ ! -d ${CURR_DIR}/build ]; then if [ ! -d ${CURR_DIR}/build ]; then
mkdir ${CURR_DIR}/build mkdir ${CURR_DIR}/build
fi fi
mv -f ${CURR_DIR}/${PROJECT_NAME}*.${im} ${CURR_DIR}/build mv -f ${CURR_DIR}/${PROJECT_NAME}*.${im} ${CURR_DIR}/build
fi fi
done done
# Delete anything which didn't move # Delete anything which didn't move
for im in "${image_types[@]}" for im in "${image_types[@]}"
do do
no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l) no_of_files=$(ls -afq ${CURR_DIR}/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then if (( no_of_files > 0 )); then
rm -f ${CURR_DIR}/${PROJECT_NAME}*.${im} rm -f ${CURR_DIR}/${PROJECT_NAME}*.${im}
fi fi
done done
# Remove any existing login credentials file # Remove any existing login credentials file
if [ -f ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt ]; then if [ -f ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt ]; then
rm ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt rm ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt
fi fi
if [ -d $TEMPBUILD_DIR ]; then if [ -d $TEMPBUILD_DIR ]; then
rm -rf $TEMPBUILD_DIR rm -rf $TEMPBUILD_DIR
fi fi
mkdir -p $TEMPBUILD_DIR mkdir -p $TEMPBUILD_DIR
if [ -f /usr/local/bin/$MAKEFILE ]; then if [ -f /usr/local/bin/$MAKEFILE ]; then
cp /usr/local/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile cp /usr/local/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile
else else
cp /usr/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile cp /usr/bin/$MAKEFILE $TEMPBUILD_DIR/Makefile
fi fi
cp -r /etc/${PROJECT_NAME}/* $TEMPBUILD_DIR cp -r /etc/${PROJECT_NAME}/* $TEMPBUILD_DIR
@ -341,96 +341,99 @@ chown -R $CURR_USER:$CURR_USER $TEMPBUILD_DIR
cd $TEMPBUILD_DIR cd $TEMPBUILD_DIR
if [[ $MINIMAL_INSTALL == "yes" ]]; then if [[ $MINIMAL_INSTALL == "yes" ]]; then
IMAGE_NAME=$'min' IMAGE_NAME=$'min'
fi fi
if [[ $ONION_ONLY != "no" ]]; then if [[ $ONION_ONLY != "no" ]]; then
IMAGE_NAME=$'onion' IMAGE_NAME=$'onion'
fi fi
if [[ $VARIANT == 'mesh' ]]; then if [[ $VARIANT == 'mesh' ]]; then
IMAGE_NAME=$'mesh' IMAGE_NAME=$'mesh'
# typically not much disk space is needed for a mesh node # typically not much disk space is needed for a mesh node
if [ ! $IMAGE_SIZE_SPECIFIED ]; then if [ ! $IMAGE_SIZE_SPECIFIED ]; then
IMAGE_SIZE=2G IMAGE_SIZE=2G
fi fi
fi fi
if [[ $VARIANT == 'meshclient' || $VARIANT == 'meshusb' ]]; then if [[ $VARIANT == 'meshclient' || $VARIANT == 'meshusb' ]]; then
IMAGE_NAME=$'meshclient' IMAGE_NAME=$'meshclient'
if [ ! $IMAGE_SIZE_SPECIFIED ]; then
IMAGE_SIZE=2.5G
fi
fi fi
if [[ $VARIANT == 'usb' ]]; then if [[ $VARIANT == 'usb' ]]; then
IMAGE_NAME=$'usb' IMAGE_NAME=$'usb'
fi fi
# append amnesic to the image name if needed # append amnesic to the image name if needed
if [[ $AMNESIC != 'no' ]]; then if [[ $AMNESIC != 'no' ]]; then
IMAGE_NAME="${IMAGE_NAME}-amnesic" IMAGE_NAME="${IMAGE_NAME}-amnesic"
fi fi
cd $TEMPBUILD_DIR cd $TEMPBUILD_DIR
make $IMAGE_TYPE \ make $IMAGE_TYPE \
MYUSERNAME="$USERNAME" \ MYUSERNAME="$USERNAME" \
MYPASSWORD="$PASSWORD" \ MYPASSWORD="$PASSWORD" \
ROUTER_IP_ADDRESS="$ROUTER_IP_ADDRESS" \ ROUTER_IP_ADDRESS="$ROUTER_IP_ADDRESS" \
BOX_IP_ADDRESS="$BOX_IP_ADDRESS" \ BOX_IP_ADDRESS="$BOX_IP_ADDRESS" \
NAMESERVER1="$NAMESERVER1" \ NAMESERVER1="$NAMESERVER1" \
NAMESERVER2="$NAMESERVER2" \ NAMESERVER2="$NAMESERVER2" \
PROJECT_NAME="$PROJECT_NAME" \ PROJECT_NAME="$PROJECT_NAME" \
CONFIG_FILENAME="$CONFIG_FILENAME" \ CONFIG_FILENAME="$CONFIG_FILENAME" \
IMAGE_SIZE="$IMAGE_SIZE" \ IMAGE_SIZE="$IMAGE_SIZE" \
SSH_PUBKEY="$SSH_PUBKEY" \ SSH_PUBKEY="$SSH_PUBKEY" \
GENERIC_IMAGE="$GENERIC_IMAGE" \ GENERIC_IMAGE="$GENERIC_IMAGE" \
MINIMAL_INSTALL="$MINIMAL_INSTALL" \ MINIMAL_INSTALL="$MINIMAL_INSTALL" \
SSH_PORT="$SSH_PORT" \ SSH_PORT="$SSH_PORT" \
ONION_ONLY="$ONION_ONLY" \ ONION_ONLY="$ONION_ONLY" \
IMAGE_NAME="$IMAGE_NAME" \ IMAGE_NAME="$IMAGE_NAME" \
PROJECT_REPO="$PROJECT_REPO" \ PROJECT_REPO="$PROJECT_REPO" \
MIRROR="$MIRROR" \ MIRROR="$MIRROR" \
BUILD_MIRROR="$MIRROR" \ BUILD_MIRROR="$MIRROR" \
DEBIAN_INSTALL_ONLY="$DEBIAN_INSTALL_ONLY" \ DEBIAN_INSTALL_ONLY="$DEBIAN_INSTALL_ONLY" \
WIFI_INTERFACE="$WIFI_INTERFACE" \ WIFI_INTERFACE="$WIFI_INTERFACE" \
WIFI_SSID="$WIFI_SSID" \ WIFI_SSID="$WIFI_SSID" \
WIFI_TYPE="$WIFI_TYPE" \ WIFI_TYPE="$WIFI_TYPE" \
WIFI_PASSPHRASE="$WIFI_PASSPHRASE" \ WIFI_PASSPHRASE="$WIFI_PASSPHRASE" \
WIFI_HOTSPOT="$WIFI_HOTSPOT" \ WIFI_HOTSPOT="$WIFI_HOTSPOT" \
WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE" \ WIFI_NETWORKS_FILE="$WIFI_NETWORKS_FILE" \
VARIANT="$VARIANT" \ VARIANT="$VARIANT" \
MINIMUM_PASSWORD_LENGTH="$MINIMUM_PASSWORD_LENGTH" \ MINIMUM_PASSWORD_LENGTH="$MINIMUM_PASSWORD_LENGTH" \
INSECURE="$INSECURE" \ INSECURE="$INSECURE" \
AMNESIC="$AMNESIC" AMNESIC="$AMNESIC"
if [ ! "$?" = "0" ]; then if [ ! "$?" = "0" ]; then
echo $'Build failed' echo $'Build failed'
rm -rf $TEMPBUILD_DIR rm -rf $TEMPBUILD_DIR
exit 1 exit 1
fi fi
EXPECTED_EXTENSION='xz' EXPECTED_EXTENSION='xz'
if [[ $IMAGE_TYPE == "qemu"* ]]; then if [[ $IMAGE_TYPE == "qemu"* ]]; then
EXPECTED_EXTENSION='qcow2' EXPECTED_EXTENSION='qcow2'
fi fi
if [[ $IMAGE_TYPE == "virtualbox"* ]]; then if [[ $IMAGE_TYPE == "virtualbox"* ]]; then
EXPECTED_EXTENSION='vdi' EXPECTED_EXTENSION='vdi'
fi fi
shopt -s nullglob shopt -s nullglob
imgfiles=(build/${PROJECT_NAME}*.${EXPECTED_EXTENSION}) imgfiles=(build/${PROJECT_NAME}*.${EXPECTED_EXTENSION})
if [ ${#imgfiles[@]} -eq 0 ]; then if [ ${#imgfiles[@]} -eq 0 ]; then
echo $'Image was not created' echo $'Image was not created'
rm -rf $TEMPBUILD_DIR rm -rf $TEMPBUILD_DIR
exit 2 exit 2
fi fi
# Move images from temporary directory to the current directory # Move images from temporary directory to the current directory
for im in "${image_types[@]}" for im in "${image_types[@]}"
do do
no_of_files=$(ls -afq build/${PROJECT_NAME}*.${im} | wc -l) no_of_files=$(ls -afq build/${PROJECT_NAME}*.${im} | wc -l)
if (( no_of_files > 0 )); then if (( no_of_files > 0 )); then
mv build/${PROJECT_NAME}*.${im} ${CURR_DIR}/ mv build/${PROJECT_NAME}*.${im} ${CURR_DIR}/
sudo chown ${CURR_USER}:${CURR_USER} ${CURR_DIR}/*.${im} sudo chown ${CURR_USER}:${CURR_USER} ${CURR_DIR}/*.${im}
fi fi
done done
# Remove the temporary directory # Remove the temporary directory
@ -445,32 +448,32 @@ Image was created.
You will be able to log into it with: You will be able to log into it with:
" "
if [[ $IMAGE_TYPE != "virtualbox"* && $IMAGE_TYPE != "qemu"* ]]; then if [[ $IMAGE_TYPE != "virtualbox"* && $IMAGE_TYPE != "qemu"* ]]; then
echo $" ssh $USERNAME@$DEFAULT_DOMAIN_NAME -p $SSH_PORT echo $" ssh $USERNAME@$DEFAULT_DOMAIN_NAME -p $SSH_PORT
Password: $PASSWORD Password: $PASSWORD
" "
else else
if [[ $IMAGE_TYPE != "qemu"* ]]; then if [[ $IMAGE_TYPE != "qemu"* ]]; then
echo $" Username: $USERNAME echo $" Username: $USERNAME
Password: $PASSWORD Password: $PASSWORD
" "
else else
if [[ $IMAGE_TYPE != "qemu-x86_64"* && $IMAGE_TYPE != "qemu-amd64"* ]]; then if [[ $IMAGE_TYPE != "qemu-x86_64"* && $IMAGE_TYPE != "qemu-amd64"* ]]; then
echo "qemu-system-i386 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)" echo "qemu-system-i386 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)"
else else
echo "qemu-system-x86_64 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)" echo "qemu-system-x86_64 -m ${VM_MEMORY} $(ls ${PROJECT_NAME}*.qcow2)"
fi fi
echo $" echo $"
Username: $USERNAME Username: $USERNAME
Password: $PASSWORD Password: $PASSWORD
" "
fi fi
fi fi
ls -lh ${PROJECT_NAME}*.img ${PROJECT_NAME}*.sig ${PROJECT_NAME}*.xz ${PROJECT_NAME}*.vdi ${PROJECT_NAME}*.qcow2 ls -lh ${PROJECT_NAME}*.img ${PROJECT_NAME}*.sig ${PROJECT_NAME}*.xz ${PROJECT_NAME}*.vdi ${PROJECT_NAME}*.qcow2
# Remove the mesh script after use # Remove the mesh script after use
if [[ $VARIANT == "mesh"* ]]; then if [[ $VARIANT == "mesh"* ]]; then
rm -f $CONFIG_FILENAME rm -f $CONFIG_FILENAME
fi fi
# record the default login credentials for later use # record the default login credentials for later use
@ -479,12 +482,12 @@ Password: $PASSWORD" > ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt
chmod 600 ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt chmod 600 ${CURR_DIR}/${PROJECT_NAME}_login_credentials.txt
if [[ $IMAGE_TYPE != "virtualbox"* && $IMAGE_TYPE != "qemu"* ]]; then if [[ $IMAGE_TYPE != "virtualbox"* && $IMAGE_TYPE != "qemu"* ]]; then
echo '' echo ''
echo $'You can copy the image to a microSD card with:' echo $'You can copy the image to a microSD card with:'
echo '' echo ''
echo " unxz -k ${PROJECT_NAME}*.img.xz" echo " unxz -k ${PROJECT_NAME}*.img.xz"
echo " sudo dd bs=1M if=${PROJECT_NAME}*.img of=/dev/sdX conv=fdatasync" echo " sudo dd bs=1M if=${PROJECT_NAME}*.img of=/dev/sdX conv=fdatasync"
echo '' echo ''
fi fi
exit 0 exit 0