Debian server basic setup

serversetup.sh

#!/bin/bash
#
# Make sure you review the contents of this file and all linked URLs before executing!
#
# To run:
# bash <(wget -qO - https://gist.githubusercontent.com/MvRens/c1d6fc7f81f109847c0cb79841d11113/raw/serversetup.sh)
#
# To skip certain steps:
# bash <(wget -qO - https://gist.githubusercontent.com/MvRens/c1d6fc7f81f109847c0cb79841d11113/raw/serversetup.sh) -s noupdate
# bash <(wget -qO - https://gist.githubusercontent.com/MvRens/c1d6fc7f81f109847c0cb79841d11113/raw/serversetup.sh) -s noupdate noinstall
#
# Parameters:
#   noupdate		Skip apt update and upgrade
#   noinstall		Skip installing utilitites
#   noconfigtmux	Skip configuring TMux and adding it to .bashrc
#   noconfignano	Skip configuring Nano
#   noconfigvim		Skip configuring Vim
#
if [ "$EUID" = 0 ]; then
    echo "Please do not run this script as root. It will call sudo when appropriate."
    exit 1
fi

options=$*

start_step() {
	if [[ $options == *"no$1"* ]]; then
		echo -e "\033[1;31mSkipped: $2\033[0m"
		return 1 
	else
	    echo -e "\033[1;34m$2...\033[0m"
		return 0
	fi
}

info() {
    echo -e "\033[1;37m$1\033[0m"
}

warning() {
    echo -e "\033[1;31m$1\033[0m"
}


if start_step "update" "Updating system"; then
	sudo apt update
	sudo apt upgrade -y
fi

if start_step "install" "Installing utilities (TMux, HTop and Vim Full)"; then
	sudo apt install -y tmux htop vim
fi

if start_step "configtmux" "Configuring TMux"; then
	if [ -f  ~/.tmux.conf ]; then
	    warning "~/.tmux.conf already exists, not overwriting"
	    info "To overwrite: wget https://gist.github.com/MvRens/f1e809773b8fa160d86afe015fb78735/raw/.tmux.conf -qO ~/.tmux.conf"
	else
	    wget https://gist.github.com/MvRens/f1e809773b8fa160d86afe015fb78735/raw/.tmux.conf -qO ~/.tmux.conf
	fi

	if grep -q "# Auto-attach tmux" ~/.bashrc; then
	    warning "~/.bashrc already contains tmux auto-attach, keeping existing"
	else
	    wget https://gist.githubusercontent.com/MvRens/713f431f198cf144a89f9f697a5380e3/raw/.bashrc -qO ->> ~/.bashrc
	fi
	
	echo "DIR 01;36" > ~/.dircolor
	# TODO change cwd color in .bashrc from 34 (dark blue) to 36 (cyan)
fi

if start_step "confignano" "Configuring Nano"; then
	sudo sed -i -e 's/# set tabsize 8/set tabsize 4/g' /etc/nanorc
fi

if start_step "configvim" "Configuring Vim"; then
	if [ -f  ~/.vimrc ]; then
	    warning "~/.vimrc already exists, not overwriting"
	    info "To overwrite: wget https://gist.githubusercontent.com/MvRens/b75223a23e657700dd4f59ab765d4faa/raw/.vimrc -qO ~/.vimrc"
	else
	    wget https://gist.githubusercontent.com/MvRens/b75223a23e657700dd4f59ab765d4faa/raw/.vimrc -qO ~/.vimrc
	fi

	VIMUSRSHARE=$(find /usr/share/vim/ -maxdepth 1 ! -path /usr/share/vim/ -type d -name 'vim*')
	sudo wget https://raw.githubusercontent.com/MvRens/molokai/master/colors/molokai.vim -qO $VIMUSRSHARE/colors/molokai.vim
	sudo ln -s ~/.vimrc /root/.vimrc
fi