#!/bin/sh

BASE_DIR="/var/buildmaster"
SOURCE_DIR="/var/sources"

if [ -z "$1" ]
then
	echo "usage: $0 <arch> [<secondaryArch1> [<secondaryArch2> ...]]"
	echo ""
	echo "This tool bootstraps a HaikuPorter buildmaster instance for the"
	echo "specified architecture(s). It builds the needed tools and gets the"
	echo "set of initial packages by building a Haiku image for the target"
	echo "architecture. It then clones a HaikuPorts repository and configures"
	echo "the ports tree and buildmaster."
	exit 1
fi

set -e

unset ARCH
unset SECONDARY_ARCHS

while [ $# -ne 0 ]
do
	case "$1" in
		--*)
			echo "Invalid option: \"$1\""
			exit 1
		;;

		*)
			if [ -z "$ARCH" ]
			then
				ARCH=$1
			else
				SECONDARY_ARCHS="$SECONDARY_ARCHS $1"
			fi
		;;
	esac

	shift
done

BUILDTOOLS_DIR=$SOURCE_DIR/buildtools
HAIKU_DIR=$SOURCE_DIR/haiku
GENERATED_DIR=$BASE_DIR/generated
PORTS_DIR=$BASE_DIR/haikuports
OUTPUT_DIR=$BASE_DIR/output
BUILDERS_DIR=$PORTS_DIR/buildmaster/builders

if [ -z "$ARCH" ]
then
	echo "No architecture specified"
	exit 1
fi

if [ -z "$BASE_DIR" ]
then
	BASE_DIR=$(realpath "buildmaster_$ARCH")
	echo "Using default base directory $BASE_DIR"
else
	echo "Using base directory $BASE_DIR"
fi

mkdir -p "$BASE_DIR"
cd "$BASE_DIR"

### Get HaikuPorts
if [ ! -d "$PORTS_DIR" ]; then
	echo "Cloning HaikuPorts repository to $PORTS_DIR"
	git clone --depth=1 https://github.com/haikuports/haikuports "$PORTS_DIR"
else
	echo "Using existing HaikuPorts repository at $PORTS_DIR"
fi

### Get Haiku

if [ ! -d "$HAIKU_DIR" ]; then
	echo "Cloning Haiku repository to $HAIKU_DIR"
	git clone --depth=1 https://review.haiku-os.org/haiku "$HAIKU_DIR"
else
	echo "Using existing Haiku repository at $HAIKU_DIR"
fi

# Configure the ports tree.

cd "$PORTS_DIR"
echo "Configuring ports tree"

echo "TREE_PATH=\"$PORTS_DIR\"" > haikuports.conf
echo "LICENSES_DIRECTORY=\"$HAIKU_DIR/data/system/data/licenses\"" \
	>> haikuports.conf
echo "PACKAGE_COMMAND=\"package\"" >> haikuports.conf
echo "PACKAGE_REPO_COMMAND=\"package_repo\"" >> haikuports.conf
echo "PACKAGER=\"buildmaster $ARCH$SECONDARY_ARCHS" \
		"<buildmaster@haiku-os.org>\"" >> haikuports.conf
echo "TARGET_ARCHITECTURE=\"$ARCH\"" >> haikuports.conf
if [ ! -z "$SECONDARY_ARCHS" ]
then
	echo "SECONDARY_TARGET_ARCHITECTURES=\"$SECONDARY_ARCHS\"" \
		>> haikuports.conf
fi

# Create some buildmaster paths
mkdir -p $OUTPUT_DIR
mkdir -p $BUILDERS_DIR

# Done.

echo ""
echo "Buildmaster instance bootstrapped in $BASE_DIR."
echo ""
echo "Next Steps:"
echo "  * Prepare a set of system-packages, place in $BASE_DIR/system-packages/<branch>"
echo "  * Use createbuilder to generate builder configurations"
echo "  * Switch container to 'loop' to enter monitoring loop"