What were you trying to do that didn't work?

Run custom code in the %onerror kickstart handler.

Please provide the package NVR for which bug is seen:

Latest version of anaconda supplied with RHEL 9.4.z OS

How reproducible:

100%

Steps to reproduce

1. Add %onerror section to a kickstart file
2. Simulate an error by pulling a non-existent image using `ostreecontainer` or `ostreesetup` directive in kickstart
3. Observe the error on the console, but no %onerror code is executed

Expected results

%onerror code to be executed unconditionally on an error condition during the installation.

Actual results

%onerror are not executed on error condition during the installation.