$ git clone -n https://src.fedoraproject.org/rpms/python-virt-firmware.git /var/lib/mock/f40-build-2637290-66211/root/chroot_tmpdir/scmroot/python-virt-firmware
Cloning into '/var/lib/mock/f40-build-2637290-66211/root/chroot_tmpdir/scmroot/python-virt-firmware'...
$ git fetch origin 2955ad0443612137308b4fa13757b59720b5c53e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-virt-firmware
 * [new ref]         2955ad0443612137308b4fa13757b59720b5c53e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2955ad0 update to version 24.2