Fix for mepo status bug

CHANGELOG.md

@@ -9,6 +9,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ### Fixed
 
+- Fixed `mepo status` code to allow for quiet failures. There seems to be an odd scenario on non-internet-connected machines where
+  `mepo status` will fail unless first run on a node with internet access. We are as yet uncertain why this is the case.
+
 ### Removed
 
 ### Added

esma_support/esma_mepo_status.cmake

@@ -20,10 +20,11 @@ function(esma_capture_mepo_status)
         WORKING_DIRECTORY ${CMAKE_SOURCE_DIR}
         OUTPUT_FILE "${OUTPUT_FILE}"
         RESULT_VARIABLE MEPO_STATUS_RESULT
+        ERROR_QUIET
       )
 
       if(NOT MEPO_STATUS_RESULT EQUAL 0)
-        message(WARNING "mepo state and command were found but failed to run mepo status --hashes. This is odd.")
+        message(WARNING "mepo state and command were found but failed to run mepo status --hashes. This seems to happen when internet access is not available. Sometimes. We are not sure yet.")
       else()
         message(STATUS "mepo status output captured in ${OUTPUT_FILE_NAME}")