$ git clone -n https://src.fedoraproject.org/rpms/toolbox.git /var/lib/mock/f39-build-2040713-48346/root/chroot_tmpdir/scmroot/toolbox
Cloning into '/var/lib/mock/f39-build-2040713-48346/root/chroot_tmpdir/scmroot/toolbox'...
$ git fetch origin 8fd7877f42414e425edd55ad01b50ea96e2a7e94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/toolbox
 * [new ref]         8fd7877f42414e425edd55ad01b50ea96e2a7e94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8fd7877 Fix the conditionals for 'if RHEL <= 9'