install-wasm-tools.sh

#! /bin/bash

if [[ "$OSTYPE" == "linux-gnu" ]]; then
	set -e

	if [[ `whoami` == "root" ]]; then
		MAKE_ME_ROOT=
	else
		MAKE_ME_ROOT=sudo
	fi

	if [ -f /etc/redhat-release ]; then
		echo "Redhat Linux detected."
		echo "This OS is not supported with this script at present. Sorry."
		echo "Please refer to https://github.com/paritytech/substrate for setup information."
		exit 1;
	elif [ -f /etc/SuSE-release ]; then
		echo "Suse Linux detected."
		echo "This OS is not supported with this script at present. Sorry."
		echo "Please refer to https://github.com/paritytech/substrate for setup information."
		exit 1;
	elif [ -f /etc/arch-release ]; then
		echo "Arch Linux detected."
		$MAKE_ME_ROOT pacman -Syu --needed --noconfirm curl jq tar cmake gcc clang
	elif [ -f /etc/mandrake-release ]; then
		echo "Mandrake Linux detected."
		echo "This OS is not supported with this script at present. Sorry."
		echo "Please refer to https://github.com/paritytech/substrate for setup information."
		exit 1;
	elif [ -f /etc/debian_version ]; then
		echo "Ubuntu/Debian Linux detected."
		$MAKE_ME_ROOT apt update
		$MAKE_ME_ROOT apt install -y curl jq tar build-essential clang libclang-dev
	else
		echo "Unknown Linux distribution."
		echo "This OS is not supported with this script at present. Sorry."
		echo "Please refer to https://github.com/paritytech/substrate for setup information."
		exit 1;
	fi

elif [[ "$OSTYPE" == "darwin"* ]]; then
	echo "Mac OS (Darwin) detected."
	set -e

	if ! which brew >/dev/null 2>&1; then
		/usr/bin/ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"
	fi

	brew update
	brew install binaryen wabt curl cmake llvm
elif [[ "$OSTYPE" == "freebsd"* ]]; then
	echo "FreeBSD detected."
	echo "This OS is not supported with this script at present. Sorry."
	echo "Please refer to https://github.com/paritytech/substrate for setup information."
	exit 1;
else
	echo "Unknown operating system."
	echo "This OS is not supported with this script at present. Sorry."
	echo "Please refer to https://github.com/paritytech/substrate for setup information."
	exit 1;
fi

if ! which rustup >/dev/null 2>&1; then
	curl https://sh.rustup.rs -sSf | sh -s -- -y
	source ~/.cargo/env
fi

rustup update stable
rustup update nightly
rustup target add wasm32-unknown-unknown --toolchain stable
rustup target add wasm32-unknown-unknown --toolchain nightly

# While ink! is pinned to a specific nightly version of the Rust compiler you will need to explicitly install that toolchain.
rustup install nightly-2019-05-21
rustup target add wasm32-unknown-unknown --toolchain nightly-2019-05-21

echo "Installing wasm-prune into ~/.cargo/bin"
cargo install pwasm-utils-cli --bin wasm-prune --force

# Copy WASM binaries after successful rust/cargo install.
if [[ "$OSTYPE" == "linux-gnu" ]]; then
	set -e

	BUILD_NUM=`curl -s https://storage.googleapis.com/wasm-llvm/builds/linux/lkgr.json | jq -r '.build'`
	if [ -z ${BUILD_NUM+x} ]; then
		echo "Could not fetch the latest build number.";
		exit 1;
	fi

	tmp=`mktemp -d`
	pushd $tmp > /dev/null
	echo "Downloading wasm-binaries.tbz2";
	curl -L -o wasm-binaries.tbz2 https://storage.googleapis.com/wasm-llvm/builds/linux/$BUILD_NUM/wasm-binaries.tbz2

	declare -a binaries=("wasm2wat" "wat2wasm") # Default binaries
	if [ "$#" -ne 0 ]; then
		echo "Installing selected binaries.";
		binaries=("$@");
	else
		echo "Installing default binaries.";
	fi

	for bin in "${binaries[@]}"
	do
		echo "Installing $bin into ~/.cargo/bin"
		tar -xvjf wasm-binaries.tbz2 wasm-install/bin/$bin > /dev/null
		cp -f wasm-install/bin/$bin ~/.cargo/bin/
	done
	popd > /dev/null
fi

echo ""
echo "Run source ~/.cargo/env now to update environment."
echo ""