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sudo rm -Rf ./files/firstboot/41-create-resolv-symlink.sh
sudo mv ./files/firstboot/41-create-resolv-symlink.sh ./files/firstboot/41-create-resolv-symlink.sh.original
echo "systemctl enable systemd-resolved.service" | sudo tee -a ./files/firstboot/41-create-resolv-symlink.sh
echo "systemctl restart systemd-resolved.service" | sudo tee -a ./files/firstboot/41-create-resolv-symlink.sh
cat ./files/firstboot/41-create-resolv-symlink.sh.original | sudo tee -a ./files/firstboot/41-create-resolv-symlink.sh
sudo rm -Rf ./files/firstboot/41-create-resolv-symlink.sh.original
cat ./files/firstboot/41-create-resolv-symlink.sh

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#!/usr/bin/expect -f

set timeout -1
set TEMPLATE [lindex \$argv 0]

spawn /bin/bash -c "CONFIG_TEMPLATE=\$TEMPLATE ./rpi23-gen-image.sh"

expect {
    "*(NEW)*" { send "\r"; exp_continue }
    eof

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# Load utility functions
. ./functions.sh

cc="${CROSS_COMPILE}gcc"
git clone https://github.com/Infineon/eltt2.git

cd eltt2
make -j$(nproc) ARCH="${KERNEL_ARCH}" CROSS_COMPILE="${CROSS_COMPILE}" CC="${cc}"
cd ..

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# Load utility functions
. ./functions.sh

<YOUR CODE>

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...
# Declaring folders and files
DIR_ETC=${R}/etc/
DIR_BOOT=${R}/
DIR_USR_LOCAL=${R}/usr/local/
DIR_USR_LOCAL_BIN=${DIR_USR_LOCAL}/bin/
...
FILE_RC_LOCAL=${DIR_ETC}/rc.local
FILE_CONFIG_TXT=${DIR_BOOT}/config.txt
...

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# Load utility functions
. ./functions.sh

install_exec files/scripts/my_script.sh ${R}/tmp
chroot_exec /tmp/my_script.sh

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# Load utility functions
. ./functions.sh

chroot_exec /bin/bash -x << 'EOF_CHROOT'

...
<ALL THE BUILD PROCESS>
...

EOF_CHROOT

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...

user_id=$(id -u)

if [ ! "${user_id}" -eq 0 -a -z "$AGENT_ALLOW_RUNASROOT" ]; then
    echo "Must run with sudo"
    exit 1
fi

...

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...


# Defines the colors
GREEN='\033[0;32m'
PURPLE='\033[0;35m'
RED='\033[0;31m' 
RESET_COLOR='\033[0m'
YELLOW='\033[0;33m'
WHITE='\033[0;37m'

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...

#
# display_help
#
display_help() {
    echo "Usage: ${0}.sh --param1 <This is the first parameter>"
    echo "             --param2 <This is the second parameter>"
    echo "             --flag1"
    echo "            [--flag2|flag3 (Default)]"