#/bin/bash

VERSION=17.12

GREEN='\033[0;32m'
NC='\033[0m' # No Color]]'

docker images | grep -q "ejabberd/mix" || {
	echo -e "${GREEN}Pulling ejabberd build Docker image${NC}"
	docker pull ejabberd/mix
}

echo -e "${GREEN}Cloning ejabberd${NC}"
if [ ! -d ejbuild ]; then
	git clone https://github.com/processone/ejabberd.git ejbuild
fi
(cd ejbuild; git checkout master && git pull && git checkout $VERSION)
cat > ejbuild/vars.config <<EOF
{mysql, true}.
{pgsql, true}.
{sqlite, true}.
{zlib, true}.
{redis, true}.
{elixir, true}.
{iconv, true}.
EOF

echo -e "${GREEN}Building ejabberd release${NC}"
if [ ! -e ejabberd.tar.gz ]; then
	# Copy release configuration
	cp rel/*.exs ejbuild/rel/
	# Force clock resync ?
	#docker run -it  --rm --privileged --entrypoint="/sbin/hwclock" ejabberd/mix -s
	# Build ejabberd and generate release
	docker run -it -v $(pwd)/ejbuild:$(pwd)/ejbuild -w $(pwd)/ejbuild -e "MIX_ENV=prod" ejabberd/mix do deps.get, deps.compile, compile, release.init, release --env=prod
	# Copy generated ejabberd release archive 
	cp ejbuild/_build/prod/rel/ejabberd/releases/*/ejabberd.tar.gz .
fi

# Build ejabberd base container
echo -e "${GREEN}Building ejabberd Community Edition container${NC}"
docker build -t ejabberd/ecs:${VERSION} .