Add environment check in bootstrap

scripts/bootstrap.sh

@@ -2,6 +2,52 @@
 
 # The script help you set up your develop envirnment
 
+if [[ "$OSTYPE" == "linux-gnu" ]]; then
+	set -e
+	if [ -f /etc/redhat-release ]; then
+		echo "Redhat Linux detected, but current not support sorry."
+		echo "Contribution is always welcome."
+		exit 1
+	elif [ -f /etc/SuSE-release ]; then
+		echo "Suse Linux detected, but current not support sorry."
+		echo "Contribution is always welcome."
+		exit 1
+	elif [ -f /etc/arch-release ]; then
+		echo "Arch Linux detected."
+		sudo pacman -Syu --needed --noconfirm cmake gcc openssl-1.0 clang llvm rocksdb curl
+		export OPENSSL_LIB_DIR="/usr/lib/openssl-1.0";
+		export OPENSSL_INCLUDE_DIR="/usr/include/openssl-1.0"
+	elif [ -f /etc/mandrake-release ]; then
+		echo "Mandrake Linux detected, but current not support sorry."
+		echo "Contribution is always welcome."
+		exit 1
+	elif [ -f /etc/debian_version ]; then
+		echo "Ubuntu/Debian Linux detected."
+		sudo apt-get -y update
+		sudo apt-get install -y cmake pkg-config libssl-dev
+	else
+		echo "Unknown Linux distribution."
+		echo "Contribution is always welcome."
+		exit 1
+	fi
+elif [[ "$OSTYPE" == "darwin"* ]]; then
+	set -e
+	echo "Mac OS (Darwin) detected."
+	if ! which brew >/dev/null 2>&1; then
+		/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
+	fi
+	brew upgrade
+	brew install openssl cmake llvm
+elif [[ "$OSTYPE" == "freebsd"* ]]; then
+	echo "FreeBSD detected, but current not support sorry."
+	echo "Contribution is always welcome."
+	exit 1
+else
+	echo "Unknown operating system."
+	echo "Contribution is always welcome."
+	exit 1
+fi
+
 # Setup git hooks
 cp .hooks/* .git/hooks
 
@@ -13,7 +59,3 @@ rustup target add wasm32-unknown-unknown
 
 # Install rustfmt for coding style checking
 rustup component add rustfmt --toolchain nightly
-
-# TODO: help other developers with different platform
-sudo apt-get -y update
-sudo apt-get install -y cmake pkg-config libssl-dev