#!/bin/sh

# v0.9.2
: ${ROOTLESSKIT_COMMIT:=eefbc3f7fb73d9a993605c9ff9a36bfcad6c1270}

install_rootlesskit() {
	case "$1" in
		"dynamic")
			install_rootlesskit_dynamic
			return
			;;
		"")
			export CGO_ENABLED=0
			_install_rootlesskit
			;;
		*)
			echo 'Usage: $0 [dynamic]'
			;;
	esac
}

install_rootlesskit_dynamic() {
	export ROOTLESSKIT_LDFLAGS="-linkmode=external" install_rootlesskit
	export BUILD_MODE="-buildmode=pie"
	_install_rootlesskit
}

_install_rootlesskit() {
	echo "Install rootlesskit version $ROOTLESSKIT_COMMIT"
	git clone https://github.com/rootless-containers/rootlesskit.git "$GOPATH/src/github.com/rootless-containers/rootlesskit"
	cd "$GOPATH/src/github.com/rootless-containers/rootlesskit"
	git checkout -q "$ROOTLESSKIT_COMMIT"
	for f in rootlesskit rootlesskit-docker-proxy; do
		go build $BUILD_MODE -ldflags="$ROOTLESSKIT_LDFLAGS" -o "${PREFIX}/$f" github.com/rootless-containers/rootlesskit/cmd/$f
	done
}