DRIVER VERSIONS can be xxx.yy.zz if coming from side branches

Fixes kaldi-asr#5

nvidia_entrypoint.sh

@@ -24,9 +24,9 @@ if [[ "$(find /usr -name libcuda.so.1 | grep -v "compat") " == " " || "$(ls /dev
 else
   ( /usr/local/bin/checkSMVER.sh )
   DRIVER_VERSION=$(sed -n 's/^NVRM.*Kernel Module *\([0-9.]*\).*$/\1/p' /proc/driver/nvidia/version 2>/dev/null || true)
-  if [[ ! "$DRIVER_VERSION" =~ ^[0-9]*.[0-9]*$ ]]; then
+  if [[ ! "$DRIVER_VERSION" =~ ^[0-9]*.[0-9]*(.[0-9]*)?$ ]]; then
     echo "Failed to detect NVIDIA driver version."
-  elif [[ "${DRIVER_VERSION%.*}" -lt "${CUDA_DRIVER_VERSION%.*}" ]]; then
+  elif [[ "${DRIVER_VERSION%%.*}" -lt "${CUDA_DRIVER_VERSION%%.*}" ]]; then
     if [[ "${_CUDA_COMPAT_STATUS}" == "CUDA Driver OK" ]]; then
       echo
       echo "NOTE: Legacy NVIDIA Driver detected.  Compatibility mode ENABLED."