chmod +x "$2"

  # Make a copy named just "ztunnel" in the same directory (overwrite if necessary).
  echo "Copying $2 to $(dirname "$2")/${3}"
  cp -f "$2" "$(dirname "$2")/${3}"
  popd

  # Also copy it to out/$os_arch/ztunnel as that's whats used in the build
  echo "Copying '${2}' to ${TARGET_OUT_LINUX}/ztunnel"
  cp -f "${2}" "${TARGET_OUT_LINUX}/ztunnel"
}

function maybe_build_ztunnel() {

    outName="artifacts/${PATCH_OUT#"${ARTIFACTS}"/}"
    patchFile="${PROW_ARTIFACTS_BASE:-https://gcsweb.istio.io/gcs/istio-prow}/pr-logs/pull/${REPO_OWNER}_${REPO_NAME}/${PULL_NUMBER}/${JOB_NAME}/${BUILD_ID}/${outName}"
    echo "You can also try applying the patch file from the build artifacts:

git apply <(curl -sL \"${patchFile}\")
"
}

if [[ -n $(git status --porcelain) ]]; then
  git status
  git diff