Add enable-cuda-compat hook if required

This change adds the enable-cuda-compat hook to the incomming OCI runtime spec
if the allow-cuda-compat-libs-from-container feature flag is not enabled.

An update-ldcache hook is also injected to ensure that the required folders
are processed.

Signed-off-by: Evan Lezar <elezar@nvidia.com>

cmd/nvidia-cdi-hook/cudacompat/cudacompat_test.go

@@ -73,6 +73,15 @@ func TestCompatLibs(t *testing.T) {
 			hostDriverVersion:                 "222.55.66",
 			expectedContainerForwardCompatDir: "",
 		},
+		{
+			description: "numeric comparison is used; ldcache",
+			contents: map[string]string{
+				"/etc/ld.so.cache": "",
+				"/usr/local/cuda/compat/libcuda.so.222.88.99": "",
+			},
+			hostDriverVersion:                 "99.55.66",
+			expectedContainerForwardCompatDir: "/usr/local/cuda/compat",
+		},
 		{
 			description: "driver version empty; ldcache",
 			contents: map[string]string{