# excerpt from deploy script
METEORVERSION="$(meteor --version)"
GITVERSION="$(git --version)"
YARNVERSION="$(yarn --version)"
NODEJSVERSION="$(node --version)"
echo "${GITVERSION}"
echo "${METEORVERSION}"
echo "${YARNVERSION}"
echo "${NODEJSVERSION}"
if [ "$NODEJSVERSION" != "v6.0.0" ]; then
  echo "Exiting due to wrong NodeJS version. Expected: v6.0.0"
  exit
fi
# ...