set -o errexit
set -o nounset
set -o pipefail

if [[ "${TARGET_OUT_LINUX:-}" == "" ]]; then
  echo "Environment variables not set. Make sure you run through the makefile (\`make init\`) rather than directly."
  exit 1
fi

# Setup arch suffix for envoy binary. For backwards compatibility, amd64 has no suffix.
if [[ "${TARGET_ARCH}" == "amd64" ]]; then
	ISTIO_ENVOY_ARCH_SUFFIX=""
else

set -o errexit
set -o nounset
set -o pipefail

if [[ "${TARGET_OUT_LINUX:-}" == "" ]]; then
  echo "Environment variables not set. Make sure you run through the makefile (\`make init\`) rather than directly."
  exit 1
fi

# Gets the download command supported by the system (currently either curl or wget)
DOWNLOAD_COMMAND=""
function set_download_command () {
  # Try curl.