one click installation script for oh-my-zsh and powerlevel10k with autocomplete and highlighter plugin on ubuntu 20.04

one-click-install-oh_my_zsh-powerlevel10k-ubuntu.sh

#!/bin/bash

# Install zsh
sudo apt install zsh -y

# Show version
zsh --version

# Set zsh as default shell
chsh -s /usr/bin/zsh 


# Echo zsh. 
echo $SHELL

# Logout & Login if don't see zsh as default shell.
echo "Logout & Login if don't see zsh as default shell."

# Install oh-my-zsh. https://github.com/ohmyzsh/ohmyzsh
# Assuming you have curl installed.
sh -c "$(curl -fsSL https://raw.githubusercontent.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"

# Use agnoster theme
# https://github.com/ohmyzsh/ohmyzsh/wiki/Themes#agnoster
# Edit ZSH_THEME
sed  -i 's/ZSH_THEME="robbyrussell"/ZSH_THEME="agnoster"/g' ~/.zshrc

# Install powerline font
sudo apt-get install fonts-powerline -y

# Install powerlevel10k
sudo rm -R ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k

# Edit zshrc and add powerlevel
sed  -i 's/ZSH_THEME="agnoster"/ZSH_THEME="powerlevel10k\/powerlevel10k"/g' ~/.zshrc

# Install plugins (zsh-autosuggestions and zsh-syntax-highlighting)
git clone https://github.com/zsh-users/zsh-autosuggestions.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/zsh-autosuggestions 

git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting


# Enable plugins
sed  -i 's/plugins=(git)/plugins=(git zsh-autosuggestions zsh-syntax-highlighting)/g' ~/.zshrc

echo "Successfully Installed. Start new terminal and configure powerlevel10k."
echo "If p10k configuration wizard does not start automatically, run following"
echo "p10k configure"
echo "Thanks for using this script. It actually saves lot of time to install & configure zsh."