install.sh

#!/usr/bin/env bash

function GLOBAL {
	REPO=shuritch/nixos

	NORMAL=$(tput sgr0)
	WHITE=$(tput setaf 7)
	BLACK=$(tput setaf 0)
	RED=$(tput setaf 1)
	GREEN=$(tput setaf 2)
	YELLOW=$(tput setaf 3)
	BLUE=$(tput setaf 4)
	MAGENTA=$(tput setaf 5)
	CYAN=$(tput setaf 6)
	BRIGHT=$(tput bold)
	UNDERLINE=$(tput smul)
}

about() {
	echo -E "$CYAN
       _   _ _       ___        ___           _        _ _
      | \ | (_)_  __/ _ \ ___  |_ _|_ __  ___| |_ __ _| | | ___ _ __
      |  \| | \ \/ / | | / __|  | || '_ \/ __| __/ _\` | | |/ _ \ '__|
      | |\  | |>  <| |_| \__ \  | || | | \__ \ || (_| | | |  __/ |
      |_|_\_|_/_/\_\\\\___/|___/ |___|_| |_|___/\__\__,_|_|_|\___|_|
           ____              _                _ _       _
          | __ ) _   _   ___| |__  _   _ _ __(_) |_ ___| |__
          |  _ \| | | | / __| '_ \| | | | '__| | __/ __| '_ \\
          | |_) | |_| | \__ \ | | | |_| | |  | | || (__| | | |
          |____/ \__, | |___/_| |_|\__,_|_|  |_|\__\___|_| |_|
                 |___/

            $BLUE$UNDERLINE https://github.com/shuritch$NORMAL -> $GREEN'"./install.sh"'
       $RED  ! Make sure that your root partition mounted as $BLUE/mnt$RED !
  $NORMAL"
}

function log {
	echo -en $1
	echo -en "$NORMAL\n"
}

function prompt {
	echo -en $2
	read $1
	echo -en "$NORMAL"
}

function confirm {
	declare -n result=$1
	echo -en "$3[${GREEN}y${NORMAL}/${RED}n${NORMAL}]: "
	read -n 1 -r
	echo
	if [[ $REPLY =~ ^[Yy]$ ]]; then
		result=true
	elif [[ $REPLY =~ ^[Nn]$ ]]; then
		result=false
	else
		result=$2
	fi
}

function main {
	GLOBAL
	about

	log "Available hosts: $GREEN$(eza -D ./cluster)"
	prompt HOST "Choose$GREEN host$NORMAL: $YELLOW"
	FLAKE=$REPO#$HOST

	log "Using$GREEN github:$FLAKE"

	confirm ok true "Do you want to use$GREEN disko$NORMAL ? "
	if [[ $ok ]]; then
		log "Downloading$GREEN https://github.com/$REPO/main/src/disko/default.nix"
		curl --progress-bar https://raw.githubusercontent.com/$REPO/main/src/disko/default.nix >./disko.nix
		echo -en "Edit$GREEN ./disko.nix$NORMAL before continuing"
		read -n 1 -r
		sudo nix --experimental-features "nix-command flakes" run github:nix-community/disko -- --mode disko ./disko.nix
	fi

	git clone https://github.com/shuritch/nixos ./flake

	if [[ !$ok ]]; then
		confirm ok true "Do you want to update $GREEN hardware$NORMAL configuration ? "
	fi
	if [[ $ok ]]; then
		sudo nixos-generate-config --dir ./tmp-config
		cp -f ./tmp-config/hardware-configuration.nix ./flake/cluster/$HOST/hardware-configuration.nix
	fi

	echo -en "Edit$GREEN $HOST$NORMAL before continuing"
	read -n 1 -r
	sudo nixos-install --no-root-password --root /mnt --flake ./flake#$HOST
	cp -r ./flake /mnt/etc/nixos/flake

	log "  -----  Installation$GREEN successful$NORMAL  -----  "
	log "Thank you for using$BLUE NixOS$NORMAL by shuritch"
}

main && exit 0