$ git clone -n https://src.fedoraproject.org/rpms/detox.git /var/lib/mock/f41-build-side-1-2634006-25991/root/chroot_tmpdir/scmroot/detox
Cloning into '/var/lib/mock/f41-build-side-1-2634006-25991/root/chroot_tmpdir/scmroot/detox'...
$ git fetch origin 7a83e379dc8a35893dcb75522215d4aeb16d0a0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/detox
 * [new ref]         7a83e379dc8a35893dcb75522215d4aeb16d0a0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7a83e37 convert license to SPDX