Quick provision Debian 12 with OhMyPosh neovim and kickstart and few base packages

provision.sh

#!/bin/bash 
set -eu
export TERM=xterm
# Bash Colors
green=`tput setaf 2`
bold=`tput bold`
reset=`tput sgr0`
# Functions
log() {
  if [[ "$@" ]]; then echo "${bold}${green}[LOG `date +'%T'`]${reset} $@";
  else echo; fi
}

system_setup() {
    # Update System and install base packages

    log "Updating system and installing base packages"

    apt update -y
    apt install -y nala

    nala install -y \
        sudo \
        wget \
        curl \
        mc \
        telnet \
        iftop \
        iotop \
        htop \
        git \
        bpytop \
        bat \
        lsd \
        unzip \
        gcc \
        iperf
        
}

update_envs() {
    log "System Updated and base packages installed"

    update_bashrc "alias ll='lsd -lah'"
    update_bashrc "alias cat='batcat'"
    update_bashrc "alias vi='nvim'"
    update_bashrc "eval \"\$(oh-my-posh init bash --config https://raw.githubusercontent.com/JanDeDobbeleer/oh-my-posh/main/themes/slimfat.omp.json)\""

}

update_bashrc() {
    log "Updating ${HOME}/.bashrc with record: $1"
    line=${1}
    grep -qF -- "$line" $HOME/.bashrc || echo "$line" >> $HOME/.bashrc
}

install_neovim() {
    log "Installing neovim from source"
    wget -O nvim.tgz https://github.com/neovim/neovim/releases/download/stable/nvim-linux64.tar.gz
    tar zxvf nvim.tgz
    rm -f nvim.tgz
    mv ~/nvim-linux64 ~/nvim
    update_bashrc "export PATH=\$HOME/nvim/bin:\$PATH"
}

install_neovim_kickstart() {
    log "Installing neovim kickstart"
    git clone https://github.com/nvim-lua/kickstart.nvim.git "${XDG_CONFIG_HOME:-$HOME/.config}"/nvim
}

install_ohmyposh() {
    log "Installing OhMyPosh"
    if [ $1 == "root" ]; then 
        curl -s https://ohmyposh.dev/install.sh | bash -s
    fi
    if [ $1 == "user" ]; then
        mkdir -p $HOME/bin
        curl -s https://ohmyposh.dev/install.sh | bash -s -- -d ~/bin
    fi
    
}

cd $HOME

if [ $1 == "root" ]; then
    log "Runnign script for root"
    system_setup
    install_neovim
    install_neovim_kickstart
    install_ohmyposh "root"
    update_envs
else
    log "Running script for user $(whoami)"
    install_neovim
    install_neovim_kickstart
    install_ohmyposh "user"
    update_envs
fi

log " Please run 'source $HOME/.bashrc' for changes to take effect"

wget https://gist.githubusercontent.com/pozgo/6488fd8b9092bb94fc7dbd101a289117/raw/18b1bb9139ddbeec234031571564bf6fac44097f/provision.sh

or
curl -s https://gist.githubusercontent.com/pozgo/6488fd8b9092bb94fc7dbd101a289117/raw/18b1bb9139ddbeec234031571564bf6fac44097f/provision.sh | bash -s root

chmod +x provosion.sh

./provision.sh root