install_piRa1n.sh

#!/bin/sh
# Exit if user isn't root
[ "$(id -u)" -ne 0 ] && {
    echo 'Please run as root'
    exit 1
}

GREEN="$(tput setaf 2)"
BLUE="$(tput setaf 6)"
NORMAL="$(tput sgr0)"
cat << EOF
${GREEN}#####################################
${GREEN}#                                   #${NORMAL}
${GREEN}#  ${BLUE}Welcome to the piRa1n installer  ${GREEN}#${NORMAL}
${GREEN}#  ${BLUE}Made with <3 by raspberryenvoie  ${GREEN}#${NORMAL}
${GREEN}#                                   #${NORMAL}
${GREEN}#####################################${NORMAL}
EOF

# Create a new pi user if it doesn't exist
if ! id -u pi >/dev/null 2>&1; then
  adduser --disabled-password --gecos "" pi
  password="$(openssl rand -base64 30)"
  echo "pi:${password}" | chpasswd
  unset password
fi

# Update the system and install the dependencies
apt-get update
apt-get upgrade -y
apt-get install -y git usbmuxd libimobiledevice6 libimobiledevice-utils \
build-essential checkinstall git autoconf automake libtool-bin libreadline-dev \
libusb-1.0-0-dev libusbmuxd-tools sshpass
# Compile libirecovery
git clone 'https://github.com/libimobiledevice/libirecovery.git' /home/pi/libirecovery
cd /home/pi/libirecovery/ || exit
./autogen.sh
cd /home/pi/libirecovery/ || exit
make
make install
ldconfig
cd /home/pi/ || exit
rm -rf libirecovery/

# Install piRa1n
git clone 'https://github.com/raspberryenvoie/piRa1n.git'

# Create file with version of checkra1n
(
  cd /home/pi/piRa1n/ || exit
  ./checkra1n --version > checkra1n_version 2>&1
  # Keep only second line
  sed -i -n -e 2p checkra1n_version
  # Remove '# '
  sed -i 's/# //g' checkra1n_version
  # Lower case
  sed -i 's/\(.*\)/\L\1/' checkra1n_version
)

# Fix file permissions
chown -R pi:pi /home/pi/piRa1n/
chmod -R 755 /home/pi/piRa1n/

# Enable piRa1n at startup
cat << EOF > /etc/systemd/system/piRa1n.service
[Unit]
Description=piRa1n
After=multi-user.target

[Service]
ExecStart=/home/pi/piRa1n/startup.sh

[Install]
WantedBy=multi-user.target
EOF
chmod 644 /etc/systemd/system/piRa1n.service
systemctl daemon-reload
systemctl enable piRa1n.service
systemctl start piRa1n.service