#!/bin/sh
# Everest Linux 1.0.0-busybox - Stage 1 Installation Script
# This program is free software: See the GNU GPL v3.0 for details

printf "=== WELCOME TO EVEREST LINUX! ===\n"
printf "This program will do the following:\n"
	sleep 0.2
printf " - Create the necessary directory layout (as defined by the Filesystem Hierarchy Standard)\n"
	sleep 0.2
printf " - Load the build settings defined in the 'build-settings' file\n"
	sleep 0.2
printf " - Bootstrap the Glacier package manager\n"
	sleep 0.2
printf " - Compile Everest Linux v1.0.0-busybox\n"
	sleep 0.2
printf "The following settings will be used. If these do not work, alter this script.\n"
	sleep 0.2
printf "/mnt/everest - build directory\n"
	sleep 0.2
printf "everest - build user\n"
	sleep 0.2
printf "/bin/bash - shell for user\n"
	sleep 0.2
printf "This script will perform actions that are >>> NOT REVERSIBLE! <<<\n"
	sleep 0.2
read -p "Are you sure you want to continue? (y/n) " -n 1 -r
echo    # (optional) move to a new line
if [[ $REPLY =~ ^[Yy]$ ]]
then
    	printf "[!!!] The script will execute in 10"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "9"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "8"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "7"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "6"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "5"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "4"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "3"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "2"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "1"
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "."
	sleep 0.25
	printf "0\n"
	printf "[ i ] Loading build-settings file...\n"
		./build-settings
	printf "[ i ] Creating build directory...\n"
		mkdir /mnt/everest # CHANGE THIS IF YOU DO NOT WANT YOUR BUILD DIRECTORY TO BE /mnt/everest
		export EVEREST=/mnt/everest
	printf "[ i ] Ensuring EVEREST variable is correctly set up... (output should be the path to the build directory)\n"
		echo $EVEREST
	printf "[ i ] Changing permissions...\n"
		chmod 777 /mnt/everest
	printf "[ i ] Creating sources directory...\n"
		mkdir -pv $EVEREST/sources
	printf "[ i ] Downloading packages...\n"
		mkdir -pv tempfiles
		cd tempfiles
			wget --quiet --show-progress http://ftp.gnu.org/gnu/binutils/binutils-2.27.tar.bz2
			wget --quiet --show-progress http://busybox.net/downloads/busybox-1.24.2.tar.bz2
			wget --quiet --show-progress https://github.com/cross-lfs/bootscripts-embedded/archive/master.tar.gz
			wget --quiet --show-progress http://gcc.gnu.org/pub/gcc/releases/gcc-6.2.0/gcc-6.2.0.tar.bz2
			wget --quiet --show-progress http://ftp.gnu.org/gnu/gmp/gmp-6.1.1.tar.bz2
			wget --quiet --show-progress http://sethwklein.net/iana-etc-2.30.tar.bz2
			wget --quiet --show-progress http://www.kernel.org/pub/linux/kernel/v4.x/linux-4.9.22.tar.xz
			wget --quiet --show-progress http://ftp.gnu.org/gnu/mpc/mpc-1.0.3.tar.gz
			wget --quiet --show-progress http://ftp.gnu.org/gnu/mpfr/mpfr-3.1.4.tar.bz2
			wget --quiet --show-progress http://www.musl-libc.org/releases/musl-1.1.16.tar.gz
	printf "[ i ] Downloading patches...\n"
		wget --quiet --show-progress http://patches.clfs.org/embedded-dev/iana-etc-2.30-update-2.patch
	printf "[ i ] Double checking EVEREST variable is correct...\n"
		echo $EVEREST
	printf "[ i ] Creating user for build...\n"
		groupadd everest
		useradd -s /bin/bash -g everest -m -k /dev/null everest
	printf "[ ? ] Enter a password for the new user:\n"
		passwd everest
	printf "[ i ] Giving ownership of build directory to the new user...\n"
		chown -Rv everest $EVEREST
	printf "[ i ] The stage 1 installation has now finished.\n"
		#printf "su - everest"
	printf "[ i ] Please execute the stage 2 installation.\n"
		su - everest
		#printf "test"
fi