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

It's not possible to build an image using RHEL-10 compose, as it's not supported by osbuild-composer yet.

Please provide the package NVR for which bug is seen:

osbuild-composer-100-2.el10.x86_64 (RHEL-10.0-20240318.5)

How reproducible:

Always.

Steps to reproduce

1. Install osbuild-composer on RHEL-10.0 Beta.
2. Setup RHEL-10 repo file in /etc/osbuild-composer/repositories.
3. Prepare a blueprint file.
4. # systemctl enable osbuild-composer.socket --now
5. # composer-cli compose start <blueprint> <img-type>

Expected results

Image build is successful.

Actual results

Image build fails:
# composer-cli compose start <blueprint> <img-type>
ERROR: DistroError: Unknown distribution: rhel-10.0 for arch x86_64
# journalctl -u osbuild-composer -g rhel-10.0
... osbuild-composer[10065]: 2024/04/08 11:42:23 host distro "rhel-10.0" is not supported: only cross-distro builds are available