#!/usr/bin/env bash

set -euo pipefail

# shellcheck disable=SC1091
source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"

APP=node_exporter
VERSION=${VERSION:-1.8.1}
APPS_DIR=/usr/local/apps/${APP}
URL=https://github.com/prometheus/node_exporter/releases/download/v${VERSION}/node_exporter-${VERSION}.$(get_os)-$(get_arch).tar.gz

extract_tarball "${URL}" "${APPS_DIR}/${VERSION}" "--strip-components 1" sudo
set_current_link "${APPS_DIR}" "${VERSION}" sudo

apps=$(find ${APPS_DIR}/current/ -maxdepth 1 -executable -type f -exec basename {} \;)
cd /usr/local/bin
for bin in $apps; do
	if [[ ! -s $bin ]]; then
		sudo ln --symbolic \
			"$(relative_path "/usr/local/bin" "${APPS_DIR}/current/${bin}")" \
			"${bin}"
	fi
done