#!/bin/sh
set -eu

# Example usage: ./build.sh v4.9

cd "$(dirname "$0")"

repo_root="$(cd ../../.. && pwd)"

if [ "${2:-}" ]; then
	cpu_set="--cpuset-cpus $2"
else
	cpu_set=""
fi

cache_args=""
if [ -n "${P2POOL_BUILD_CACHE:-}" ]; then
	cache_dir="${P2POOL_BUILD_CACHE%/}/linux_x64"
	mkdir -p "$cache_dir"
	export DOCKER_BUILDKIT=1
	cache_args="--build-arg BUILDKIT_INLINE_CACHE=1 --cache-from type=local,src=$cache_dir --cache-to type=local,dest=$cache_dir,mode=max"
fi

docker build $cpu_set \
	--build-arg P2POOL_VERSION=$1 \
	$cache_args \
	-t p2pool_linux_x64_build_$1 \
	-f Dockerfile "$repo_root"

docker create --name p2pool_linux_x64_build_$1_container p2pool_linux_x64_build_$1:latest
docker cp p2pool_linux_x64_build_$1_container:/p2pool/build/p2pool-$1-linux-x64.tar.gz ../p2pool-$1-linux-x64.tar.gz
docker rm p2pool_linux_x64_build_$1_container

docker image rm -f p2pool_linux_x64_build_$1