$ git clone -n https://src.fedoraproject.org/rpms/rubygem-ruby-libvirt.git /var/lib/mock/f41-build-819878-151954/root/chroot_tmpdir/scmroot/rubygem-ruby-libvirt
Cloning into '/var/lib/mock/f41-build-819878-151954/root/chroot_tmpdir/scmroot/rubygem-ruby-libvirt'...
$ git fetch origin 75826fb8384f49962c83a8df1bc28a8fead46e00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rubygem-ruby-libvirt
 * [new ref]         75826fb8384f49962c83a8df1bc28a8fead46e00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 75826fb Rebuilt for https://fedoraproject.org/wiki/Fedora_41_Mass_Rebuild