Merge pull request #579 from ZOSOpenTools/578-rename-of-query-option-…

…no-versions-breaks-zopen-upgrade

Fix query logic in zopen-install

bin/zopen-install

@@ -573,8 +573,13 @@ if [ -z "${chosenRepos}" ]; then
     ph=$!
     killph="kill -HUP ${ph}"
     addCleanupTrapCmd "${killph}"
-    chosenRepos="$(${MYDIR}/zopen-query list --installed --no-header --no-versions)"
+    chosenRepos="$(${MYDIR}/zopen-query list --installed --no-header --no-version 2>&1)"
+    zqrc=$?
     ${killph} 2> /dev/null # if the timer is not running, the kill will fail
+    sleep 1 # give the above process time to clear
+    if [ ${zqrc} -ne 0 ]; then
+      printError "Query for installed packages unexpectedly failed; zopen-query returned message: '${chosenRepos}'"
+    fi
   fi
 fi