install-zsh-p10k.sh

#!/bin/sh
## a script to install zsh, oh-my-zsh, powerlevel10k, meslo lgs fonts, zsh plugins

## download and run this script with this command: sh -c "$(curl -fsSL https://raw.github.com/drauku/install-zsh-p10k/master/install-zsh-p10k.sh)"

# user warning to exit initial zsh shell to continue this script
printf "\n ONCE 'oh-my-zsh' IS FINISHED INSTALLING,\n  TYPE 'y' TO SET 'zsh' AS THE DEFAULT SHELL,\n  THEN TYPE 'exit' TO CONTINUE THE SCRIPT.\n\n"
sleep 5

## install required apps
apt update -y && apt upgrade -y && apt install -y curl fontconfig git zsh

## download and install necessary fonts
mkdir -p ~/.fonts && cd ~/.fonts || return
curl -LO https://github.com/romkatv/powerlevel10k-media/raw/master/MesloLGS%20NF%20Regular.ttf
curl -LO https://github.com/romkatv/powerlevel10k-media/raw/master/MesloLGS%20NF%20Bold.ttf
curl -LO https://github.com/romkatv/powerlevel10k-media/raw/master/MesloLGS%20NF%20Italic.ttf
curl -LO https://github.com/romkatv/powerlevel10k-media/raw/master/MesloLGS%20NF%20Bold%20Italic.ttf
fc-cache -f -v

## install oh-my-zsh
sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)" -y

## download powerlevel10k theme
git clone --depth=1 https://github.com/romkatv/powerlevel10k.git "${ZSH_CUSTOM:-${HOME}/.oh-my-zsh/custom}/themes/powerlevel10k"

## backup original .zshrc and set theme, plugins, and auto load the .p10k.zsh on terminal session start
[ ! -f ~/.zshrc.original ] && cp ~/.zshrc ~/.zshrc.original
sed -zi 's|ZSH_THEME="robbyrussell"|ZSH_THEME="powerlevel10k/powerlevel10k"|g' ~/.zshrc
sed -zi 's|plugins=(git)|plugins=(git zsh-z zsh-autosuggestions zsh-syntax-highlighting)|g' ~/.zshrc
sed -i '1i \ source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"; fi\n' ~/.zshrc
sed -i '1i if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then' ~/.zshrc
sed -i '1i # confirmations, etc.) must go above this block; everything else may go below.' ~/.zshrc
sed -i '1i # Initialization code that may require console input (password prompts, [y/n]' ~/.zshrc
sed -i '1i # Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.' ~/.zshrc
{
  printf "\nPOWERLEVEL9K_DISABLE_CONFIGURATION_WIZARD=true\n";
  printf "\n# To customize prompt, run 'p10k configure' or edit ~/.p10k.zsh.\n";
  printf "\n[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh";
} >> ~/.zshrc

## backup original .p10k.conf and replace with drauku's custom .p10k.conf
curl -fs https://raw.githubusercontent.com/Drauku/install-zsh-p10k/main/.p10k.zsh.custom -o ~/.p10k.zsh.custom
[ ! -f ~/.p10k.zsh.original ] && cp ~/.p10k.zsh ~/.p10k.zsh.original
cp --backup ~/.p10k.zsh.custom ~/.p10k.zsh

## download zsh-z zsh-autosuggestions zsh-syntax-highlighting plugin
git clone https://github.com/agkozak/zsh-z "${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-z"
git clone https://github.com/zsh-users/zsh-autosuggestions "${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-autosuggestions"
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git "${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting"

## exit the current shell, forcing a re-log in to activate the new custom shell format
    printf "\n ZSH, Meslo Nerd Fonts, PowerLevel10k theme, and addons are installed.\n  You must reload the shell to activate these changes.\n"
    printf "\n  'exit' the shell now? [Y]es/[N]o "
    while read -r input; do
      case "${input}" in
        ([nN]|[nN][oO])
          break;
          ;;
        ([yY]|[yY][eE][sS])
          exit 1;
          ;;
      esac
    done