$ git clone -n https://src.fedoraproject.org/rpms/resalloc-openstack.git /var/lib/mock/f40-build-2032337-47690/root/chroot_tmpdir/scmroot/resalloc-openstack
Cloning into '/var/lib/mock/f40-build-2032337-47690/root/chroot_tmpdir/scmroot/resalloc-openstack'...
$ git fetch origin 8bd3b3ac4cc3a7d5d0153a81862c558b4ad87cd6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/resalloc-openstack
 * [new ref]         8bd3b3ac4cc3a7d5d0153a81862c558b4ad87cd6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8bd3b3a Merge branch 'epel9'