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

Quoting "man dracut.conf",

dracut.conf is loaded during the initialisation phase of dracut. Command line parameter will override any values set here.

I want to use "dracut --add nfs" to overwrite 'omit_dracutmodules+=" nfs "' in .conf file.

Please provide the package NVR for which bug is seen:

dracut-057-53.git20240104.el9.x86_64

How reproducible:

always

Steps to reproduce

1. Create a .conf file to omit the nfs module by 

   echo 'omit_dracutmodules+=" nfs "' > /etc/dracut.conf.d/60-omit-nfs.conf

1. Use "dracut --add nfs --force" or "dracut --add nfs --omit '' --force"  to include the nfs module
2. Check if the nfs module is included by " lsinitrd --mod|grep nfs"

Expected results

 "lsinitrd --mod|grep nfs" should output nfs i.e. the nfs module should be included.

Actual results

"lsinitrd --mod|grep nfs" has empty output i.e. the nfs module isn't included into the built intird. 

Additional info

1. This issue can be reproduced with dracut-059-22.fc40.x86_64 as well
2. This bug prevents kdump nfs dumping from working on CoreOS which ships /usr/lib/dracut/dracut.conf.d/coreos-omits.conf with the content "omit_dracutmodules+=' nfs lvm dmraid '"