#!/bin/bash

set -e

trap cleanup ERR SIGTERM

cleanup() {
	# docker kill vault_build
	echo "end"
}

BUILDDIR='/tmp/vault_build'
OUT_DIR='/tmp/vault/'
ARCH_DOCKER_REPO='https://scm.f1x.online/mirrors/archlinux-docker.git'
VAULT_REPO='https://scm.f1x.online/mirrors/vault.git'

mkdir -vp "${BUILDDIR}" "${OUT_DIR}"

pushd "${BUILDDIR}"

### fetch & docker-build build container code
test -d arch_docker_repo || git clone --depth=1 "${ARCH_DOCKER_REPO}" arch_docker_repo
cd arch_docker_repo
#git fetch && git pull
make image-base

cat << EOF_BUILD_BASE | docker build -t bb:local -
FROM archlinux/archlinux:base
RUN pacman --noconfirm -Syu \
		base-devel \
		git \
		go \
		gox \
		make \
		nodejs-lts-erbium \
		npm \
		python2 \
		yarn
RUN mkdir -p /src/github.com/hashicorp
RUN cd /src/github.com/hashicorp && \
	git clone --depth=1 ${VAULT_REPO}
EOF_BUILD_BASE

### run build container
test -n "$(docker ps -aq -f name=vault_build)" || \
	docker run \
		-d \
		--rm \
		--name vault_build \
		-v /etc/pacman.d/mirrorlist:/etc/pacman.d/mirrorlist:ro \
		bb:local \
		sleep infinity

### setup build env
# docker exec vault_build \
# 	pacman --noconfirm -Syu \
# 		base-devel \
# 		git \
# 		go \
# 		gox \
# 		make \
# 		npm \
# 		python2 \
# 		yarn
# docker exec vault_build \
# 	mkdir -p /src/github.com/hashicorp
# docker exec -w /src/github.com/hashicorp vault_build \
# 	git clone --depth=1 "${VAULT_REPO}"

### build
docker exec \
	-e XC_OSARCH=linux/amd64 \
	-w /src/github.com/hashicorp/vault vault_build \
		make bootstrap
docker exec \
	-e GOPATH=/root/go \
	-e XC_OSARCH=linux/amd64 \
	-w /src/github.com/hashicorp/vault vault_build \
		make static-dist bin

### copy binary
docker cp \
	vault_build:/src/github.com/hashicorp/vault/bin/vault - > "${OUT_DIR}/vault"
stat "${OUT_DIR}/vault"

### cleanup
popd
docker kill vault_build
rm -rd "${BUILDDIR}"

exit 0