#!/bin/sh

set -ex

die () { echo "$@" ; exit 1; }

INSTPATH="$(mktemp -p "$(pwd)" -d)"
trap 'test ! -z "${INSTPATH-}" && test -d "$INSTPATH" && rm -rf "$INSTPATH"' EXIT
declare -x NVM_DIR=$INSTPATH
\. ../../../nvm.sh

nvm install --lts || die 'nvm install --lts failed'
nvm exec --lts npm --version || die "`nvm exec` failed to run"
declare -x NODE_VERSION="$(nvm exec --lts --silent node --version)"

ln -s ../../../../nvm-exec "$INSTPATH/nvm-exec" || die "failed to create a symlink to $INSTPATH/"
"$INSTPATH/nvm-exec" npm ls > /dev/null || die "`nvm exec` failed to run using nvm-exec helper"