Automation of the installation of ZSH shell with the OhMyZSH framework, tmux and various plugins and its minimal configuration file. It also includes fonts.

install-zsh.sh

#!/bin/bash
set -o errexit
set -o pipefail
APPS="zsh git curl wget unzip neofetch tmux"
OS=$(source /etc/os-release && echo "${ID}")
DATE=$(date '+%d.%m.%Y_%Hh%M')

# Installation of packages
case ${OS} in
    "debian" | "ubuntu" | "linuxmint" | "pop")
        sudo apt update && sudo apt install $APPS -y
        ;;
    "arch" | "manjaro")
        sudo pacman -Sy $APPS --noconfirm
        ;;
    "fedora" | "centos")
        sudo dnf install $APPS -y
        ;;
    "solus")
        sudo eopkg install $APPS -y
        ;;
    *)
        echo -e "\e[31mSystem can't be defined."
		    exit
        ;;
esac

# Fonts installlation
if [[ ! -d /usr/share/fonts/hack ]]; then
wget https://github.com/ryanoasis/nerd-fonts/releases/download/v2.1.0/Hack.zip -O "${HOME}"/hack.zip
unzip "${HOME}"/hack.zip -d "${HOME}"/hack && rm "$HOME"/hack.zip
find "${HOME}"/hack/ -iname "*Windows*" -exec rm {} \;
sudo mkdir -p /usr/share/fonts/hack
sudo mv "${HOME}"/hack/* /usr/share/fonts/hack
rmdir "${HOME}"/hack
fi

# Change default shell
sudo chsh -s /usr/bin/zsh "${USER}"

# Backup old zshrc
if [[ -f "${HOME}"/.zshrc ]]; then
    cp "${HOME}"/.zshrc "${HOME}"/.zshrc.backup_"${DATE}"
elif [[ ! -f "${HOME}"/.zshrc ]]; then
    touch "${HOME}"/.zshrc
fi

# Backup old installation of oh-my-zsh
if [[ -d "${HOME}"/.oh-my-zsh ]]; then
	mv "${HOME}"/.oh-my-zsh "${HOME}"/.oh-my-zsh.backup_"${DATE}"
fi

# Installation OhMyZsh + powerlevel10k + plugins
git clone https://github.com/ohmyzsh/ohmyzsh.git "${HOME}"/.oh-my-zsh
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-completions ${ZSH_CUSTOM:=~/.oh-my-zsh/custom}/plugins/zsh-completions
git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ${ZSH_CUSTOM:-~/.oh-my-zsh/custom}/plugins/zsh-syntax-highlighting
git clone https://github.com/romkatv/powerlevel10k.git $ZSH_CUSTOM/themes/powerlevel10k

echo '# Path to your oh-my-zsh installation
export ZSH="$HOME/.oh-my-zsh"

# Enable Powerlevel10k instant prompt. Should stay close to the top of ~/.zshrc.
# Initialization code that may require console input (password prompts, [y/n]
# confirmations, etc.) must go above this block, everything else may go below.
if [[ -r "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh" ]]; then
  source "${XDG_CACHE_HOME:-$HOME/.cache}/p10k-instant-prompt-${(%):-%n}.zsh"
fi

# Fix slowness of pastes with zsh-syntax-highlighting.zsh
pasteinit() {
  OLD_SELF_INSERT=${${(s.:.)widgets[self-insert]}[2,3]}
  zle -N self-insert url-quote-magic
}

pastefinish() {
  zle -N self-insert $OLD_SELF_INSERT
}
zstyle :bracketed-paste-magic paste-init pasteinit
zstyle :bracketed-paste-magic paste-finish pastefinish
source ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting/zsh-syntax-highlighting.zsh
export ZSH_HIGHLIGHT_MAXLENGTH="60"

# ZSH Theme
ZSH_THEME="powerlevel10k/powerlevel10k"

# Uncomment the following line to use case-sensitive completion.
CASE_SENSITIVE="off"

# Uncomment the following line to use hyphen-insensitive completion.
# Case-sensitive completion must be off. _ and - will be interchangeable.
HYPHEN_INSENSITIVE="true"

# Uncomment the following line to disable bi-weekly auto-update checks.
DISABLE_AUTO_UPDATE="off"

# Uncomment the following line to automatically update without prompting.
DISABLE_UPDATE_PROMPT="off"

# Uncomment the following line to change how often to auto-update (in days).
export UPDATE_ZSH_DAYS=15

# Uncomment the following line if pasting URLs and other text is messed up.
DISABLE_MAGIC_FUNCTIONS="true"

# Uncomment the following line to disable colors in ls.
DISABLE_LS_COLORS="off"

# Uncomment the following line to disable auto-setting terminal title.
DISABLE_AUTO_TITLE="off"

# Uncomment the following line to enable command auto-correction.
ENABLE_CORRECTION="true"

# Uncomment the following line to display red dots whilst waiting for completion.
COMPLETION_WAITING_DOTS="true"

# History time stamp
# You can set one of the optional three formats:
# "mm/dd/yyyy"|"dd.mm.yyyy"|"yyyy-mm-dd"
HIST_STAMPS="dd.mm.yyyy"

# ZSH plugins
plugins=(
git
kubectl
zsh-autosuggestions
zsh-completions
zsh-syntax-highlighting)

source $ZSH/oh-my-zsh.sh

# User configuration
export MANPATH="/usr/local/man:$MANPATH"

# You may need to manually set your language environment
# export LANG=en_US.UTF-8

# Preferred editor for local and remote sessions
if [[ -n $SSH_CONNECTION ]]; then
  export EDITOR='vim'
else
  export EDITOR='vim'
fi

# Compilation flags
export ARCHFLAGS="-arch x86_64"

# To customize prompt, run `p10k configure` or edit ~/.p10k.zsh.
[[ ! -f ~/.p10k.zsh ]] || source ~/.p10k.zsh' > "${HOME}"/.zshrc

echo '# Tmux Config

tmux_conf_new_pane_retain_current_path=false
tmux_conf_new_window_retain_current_path=false

set -g default-terminal "xterm-256color"
set -g monitor-activity on
set -g visual-activity on

set -g base-index 1
set -g pane-base-index 1
set -g xterm-keys on

bind -n M-Left select-pane -L
bind -n M-Right select-pane -R
bind -n M-Up select-pane -U
bind -n M-Down select-pane -D

bind-key -n F2 new-window
bind-key -n F3 previous-window
bind-key -n F4 next-window
bind-key -n F5 split-window -v
bind-key -n F6 split-window -h
bind-key -n F8 command-prompt -I "#W" "rename-window '%%'"
bind-key -n F7 command-prompt "find-window '%%'"
bind-key -n F10 setw synchronize-panes
bind-key -n F11 resize-pane -Z
bind-key -n F12 kill-pane

bind-key -n S-Left resize-pane -L
bind-key -n S-Right resize-pane -R
bind-key -n S-Up resize-pane -U
bind-key -n S-Down resize-pane -D

set -g status-interval 60
set -g status-right "#(uptime -p) "

set -g status-style "fg=colour246,bg=colour235"
set -g pane-border-style fg=colour237
set -g pane-active-border-style fg=colour242
set-window-option -g window-status-current-style fg=colour166,bright

bind r source-file ~/.tmux.conf \; display "Tmux Reloaded" ' > "${HOME}"/.tmux.conf

echo -e "\e[32mInstallation is finished you must relaunch your $USER session to apply the configurations.\n\e[32mTo get display of special characters, you must set up fonts in your terminal options.\e[0m"