diff --git a/CMake/VTKmSystemInformation.cmake b/CMake/VTKmSystemInformation.cmake
index 32d02e9d6..8c3ec20a6 100644
--- a/CMake/VTKmSystemInformation.cmake
+++ b/CMake/VTKmSystemInformation.cmake
@@ -25,7 +25,7 @@
 #
 # This script is called with a command like:
 #
-# cmake -D VTKm_BINARY_DIR=<top-of-build-tree> -P <this-script>
+# cmake -D VTKm_BINARY_DIR=<top-of-build-tree> -D VTKm_SOURCE_DIR=<top-of-source-tree> -P <this-script>
 #
 
 set(FILES
@@ -50,8 +50,21 @@ Contents of \"${filename}\":
   endif()
 endfunction(print_file)
 
+
 message("CTEST_FULL_OUTPUT (Avoid ctest truncation of output)")
 
+execute_process(
+  COMMAND git rev-parse -q HEAD
+  WORKING_DIRECTORY "${VTKm_SOURCE_DIR}"
+  OUTPUT_VARIABLE GIT_SHA
+  )
+
+message("
+
+==============================================================================
+
+git SHA: ${GIT_SHA}")
+
 foreach(filename ${FILES})
   print_file(${filename})
 endforeach()
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 137735adc..93d527615 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -113,7 +113,7 @@ if (VTKm_ENABLE_TESTING)
     COMMAND ${CMAKE_COMMAND} "-DVTKm_SOURCE_DIR=${VTKm_SOURCE_DIR}" -P "${VTKm_SOURCE_DIR}/CMake/VTKmCheckCopyright.cmake"
     )
   add_test(NAME SystemInformation
-    COMMAND ${CMAKE_COMMAND} "-DVTKm_BINARY_DIR=${VTKm_BINARY_DIR}" -P "${VTKm_SOURCE_DIR}/CMake/VTKmSystemInformation.cmake"
+    COMMAND ${CMAKE_COMMAND} "-DVTKm_SOURCE_DIR=${VTKm_SOURCE_DIR}" "-DVTKm_BINARY_DIR=${VTKm_BINARY_DIR}" -P "${VTKm_SOURCE_DIR}/CMake/VTKmSystemInformation.cmake"
     )
 endif (VTKm_ENABLE_TESTING)