Returning non-zero exit value if releng/run_all_auto fails. Proposal by Alexandre Ghiti.

releng/run_all_auto

@@ -229,16 +229,22 @@ fi
 	  # lines, perl regex, leading tabs
           grep -n -E "${LIST_KWD}" "${CLOG}"
 	  RET_GREP="$?"
+	  ok=0
           case ${RET_GREP} in
               0) # found
                  ;;
               1) # not found
 		 echo "${SELF}: Log file looks clear." # | tee -a ${CLOG}
+		 ok=1
                  ;;
 	      *) #
                  echo "${SELF}: grep returned EXIT CODE: ${RET_GREP}." # | tee -a ${CLOG}
 		 ;;
           esac
+	  if test "$ok" = 0 && test "$exit_value" = 0
+	  then
+	      exit_value=1
+	  fi
 	  set -e
       fi
       echo "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~" | tee -a ${CLOG}
@@ -259,5 +265,13 @@ fi
  ls -lth "${GEN_DATA_DIR}" # | tee -a ${CLOG}
 
  # Fin
+ if test "$exit_value" = 0
+ then
+	echo "${SELF}: +++ Test run and its log look like success."
+ else
+	echo
+	echo "${SELF}: --- Test run detected some failures."
+	echo
+ fi
  exit $exit_value