3-post-setup.sh

#!/usr/bin/env bash
echo -ne "
-------------------------------------------------------------------------
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   888 888 Y88b888     "88b 888    888  888 888P"  d8P  Y8b 888     888     "Y88b. 
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   888 888    Y888 "Y888888  "Y888  "Y88888 888     "Y8888   "Y88888P"   "Y8888P"
-------------------------------------------------------------------------
                    Automated iNatureOS Installer
                        SCRIPTHOME: iNatureOS
-------------------------------------------------------------------------

Final Setup and Configurations
GRUB EFI Bootloader Install & Check
"
source /root/iNatureOS/setup.conf
genfstab -U / >> /etc/fstab
if [[ -d "/sys/firmware/efi" ]]; then
    grub-install --efi-directory=/boot ${DISK}
fi
# set kernel parameter for decrypting the drive
if [[ "${FS}" == "luks" ]]; then
sed -i "s%GRUB_CMDLINE_LINUX_DEFAULT=\"%GRUB_CMDLINE_LINUX_DEFAULT=\"cryptdevice=UUID=${encryped_partition_uuid}:ROOT root=/dev/mapper/ROOT %g" /etc/default/grub
fi

echo -e "Installing CyberRe Grub theme..."
THEME_DIR="/boot/grub/themes"
THEME_NAME=CyberRe
echo -e "Creating the theme directory..."
mkdir -p "${THEME_DIR}/${THEME_NAME}"
echo -e "Copying the theme..."
cd ${HOME}/iNatureOS
cp -a ${THEME_NAME}/* ${THEME_DIR}/${THEME_NAME}
echo -e "Backing up Grub config..."
cp -an /etc/default/grub /etc/default/grub.bak
echo -e "Setting the theme as the default..."
grep "GRUB_THEME=" /etc/default/grub 2>&1 >/dev/null && sed -i '/GRUB_THEME=/d' /etc/default/grub
echo "GRUB_THEME=\"${THEME_DIR}/${THEME_NAME}/theme.txt\"" >> /etc/default/grub
echo -e "Updating grub..."
grub-mkconfig -o /boot/grub/grub.cfg
echo -e "All set!"

echo -ne "
-------------------------------------------------------------------------
                    Enabling Login Display Manager
-------------------------------------------------------------------------
"
systemctl enable sddm.service
echo -ne "
-------------------------------------------------------------------------
                    Setting up lightdm Theme
-------------------------------------------------------------------------
"
cat <<EOF > /etc/sddm.conf
[Theme]
Current=Nordic
EOF
echo -ne "
-------------------------------------------------------------------------
                    Enabling Essential Services
-------------------------------------------------------------------------
"
systemctl disable dhcpcd.service
systemctl stop dhcpcd.service
systemctl enable NetworkManager.service
echo -ne "
-------------------------------------------------------------------------
                    Cleaning 
-------------------------------------------------------------------------
"
# Remove no password sudo rights
sed -i 's/^%wheel ALL=(ALL) NOPASSWD: ALL/# %wheel ALL=(ALL) NOPASSWD: ALL/' /etc/sudoers
# Add sudo rights
sed -i 's/^# %wheel ALL=(ALL) ALL/%wheel ALL=(ALL) ALL/' /etc/sudoers

rm -r /root/iNatureOS
rm -r /home/$USERNAME/iNatureOS

# Replace in the same state
cd $pwd