setup.sh

#!/usr/bin/env bash

# Colors
RESET="\033[0m"
UNDERLINE="\033[4m"
UNDERLINEOFF="\033[24m"
BOLD="\033[1m"
RED="\033[31m"
GREEN="\033[32m"
YELLOW="\033[33m"
WHITE="\033[37m"

# Start logging
LOG_FILE="${PWD}/dev-setup.log"
if [[ -f "${LOG_FILE}" ]]; then
	mv -f "${LOG_FILE}" "${LOG_FILE}.old"
fi
exec 2> >(tee -a "${LOG_FILE}" >&2)
echo -e "${BOLD}${WHITE}The script output will be logged to file ${YELLOW}\"${LOG_FILE}\"${WHITE}.${RESET}" >&2

# Get system information
OS_NAME=""
if [[ "$(uname -s)" == "Darwin" ]]; then
	OS_NAME="macOS"
	PACKAGE_MANAGER="Homebrew"
elif [[ "$(uname -s)" == "Linux" ]]; then
	if grep -qiE 'ID.*ubuntu' /etc/*-release; then
		OS_NAME="Ubuntu"
		PACKAGE_MANAGER="APT, Homebrew"
	elif grep -qiE 'ID.*manjaro' /etc/*-release; then
		OS_NAME="Manjaro"
		PACKAGE_MANAGER="Pacman, Homebrew"
	fi
fi

if [[ -z "${OS_NAME}" ]]; then
	echo -e "${BOLD}${RED}The operating system is not supported yet. ${YELLOW}Only macOS, Ubuntu Linux, and Manjaro Linux are supported.${RESET}" >&2
	exit 1
fi

echo -e "${BOLD}${WHITE}Operating System: ${GREEN}${OS_NAME}${RESET}"

# Options
if [[ "${SET_MIRRORS}" =~ (yes|Yes|YES|true|True|TRUE) ]]; then
	SET_MIRRORS=true
elif [[ "${SET_MIRRORS}" =~ (no|No|NO|false|False|FALSE) ]]; then
	SET_MIRRORS=false
else
	unset SET_MIRRORS
	if [ -t 0 ] && [ -t 1 ]; then
		while true; do
			read -n 1 -p "$(echo -e "${BOLD}${WHITE}Do you wish to set the source of package managers ${GREEN}(${PACKAGE_MANAGER}, CPAN, Gem, Conda, and Pip)${WHITE}
to the open source mirrors at ${YELLOW}TUNA (@China) (${UNDERLINE}https://mirrors.tuna.tsinghua.edu.cn${UNDERLINEOFF})${WHITE} [y/N]: ${RESET}")" answer
			if [[ -n "${answer}" ]]; then
				echo
			else
				answer="n"
			fi
			if [[ "${answer}" == [Yy] ]]; then
				SET_MIRRORS=true
				break
			elif [[ "${answer}" == [Nn] ]]; then
				SET_MIRRORS=false
				break
			fi
		done
	fi
fi
export SET_MIRRORS

# Run script if it exists
SCRIPT_DIR="$(cd "$(dirname "$0")" && pwd)"
if [[ -x "${SCRIPT_DIR}/setup_${OS_NAME}.sh" && "$(basename "$0")" == "setup.sh" ]]; then
	echo -e "${BOLD}${WHITE}Run existing script ${GREEN}\"${SCRIPT_DIR}/setup_${OS_NAME}.sh\"${WHITE}.${RESET}" >&2
	echo
	/bin/bash "${SCRIPT_DIR}/setup_${OS_NAME}.sh"
	exit $?
fi

# Download and run
if [[ -x "$(command -v wget)" ]]; then
	echo -e "${BOLD}${WHITE}Download and run script via ${GREEN}wget${WHITE}.${RESET}" >&2
	echo
	/bin/bash -c "$(wget --progress=bar:force:noscroll -O - "https://github.com/XuehaiPan/Dev-Setup/raw/HEAD/setup_${OS_NAME}.sh")"
elif [[ -x "$(command -v curl)" ]]; then
	echo -e "${BOLD}${WHITE}Download and run script via ${GREEN}curl${WHITE}.${RESET}" >&2
	echo
	/bin/bash -c "$(curl -fL# "https://github.com/XuehaiPan/Dev-Setup/raw/HEAD/setup_${OS_NAME}.sh")"
elif [[ -x "$(command -v git)" ]]; then
	echo -e "${BOLD}${WHITE}Download and run script via ${GREEN}git${WHITE}.${RESET}" >&2
	echo
	git clone --depth=1 https://github.com/XuehaiPan/Dev-Setup.git 2>&1
	/bin/bash "Dev-Setup/setup_${OS_NAME}.sh"
else
	echo -e "${BOLD}${WHITE}Please download the script from ${YELLOW}https://github.com/XuehaiPan/Dev-Setup${WHITE} manually.${RESET}" >&2
fi