$ git clone -n https://src.fedoraproject.org/rpms/python-virt-firmware.git /var/lib/mock/f39-build-1875688-42737/root/chroot_tmpdir/scmroot/python-virt-firmware
Cloning into '/var/lib/mock/f39-build-1875688-42737/root/chroot_tmpdir/scmroot/python-virt-firmware'...
$ git fetch origin 90ee80c3ce044c0c7dee6cd4c7d4af2189bcb448:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-virt-firmware
 * [new ref]         90ee80c3ce044c0c7dee6cd4c7d4af2189bcb448 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 90ee80c update to version 23.11