Add some necessary citus enterprise support to CI helpers

ci/check_all_ci_scripts_are_run.sh

@@ -9,7 +9,7 @@ source ci/ci_helpers.sh
 # 2. Strip the directory
 # 3. Exclude some scripts that we should not run in CI directly
 ci_scripts=$(
-    find ci/ -iname "*.sh" |
+    find ci/ -maxdepth 1 -iname "*.sh"  |
     sed -E 's#^ci/##g' |
     grep -v -E '^(ci_helpers.sh|fix_style.sh)$'
 )

ci/ci_helpers.sh

@@ -23,10 +23,10 @@ hint_on_fail() {
     # Get filename of the currently running script
     # Source: https://stackoverflow.com/a/192337/2570866
     filename=$(basename "$0")
+    directory=$(dirname "$0")
     if [ $exit_code != 0 ]; then
-        echo "HINT: To solve this failure look here: https://github.com/citusdata/citus/blob/master/ci/README.md#$filename"
+        echo "HINT: To solve this failure look here: https://github.com/citusdata/citus/blob/master/$directory/README.md#$filename"
     fi
     exit $exit_code
 }
 trap hint_on_fail EXIT
-