$ git clone -n https://src.fedoraproject.org/rpms/prelude-manager.git /var/lib/mock/f41-build-2065718-25306/root/chroot_tmpdir/scmroot/prelude-manager
Cloning into '/var/lib/mock/f41-build-2065718-25306/root/chroot_tmpdir/scmroot/prelude-manager'...
$ git fetch origin e92e5920d642bb15841b334d19b87bd2e7b42e96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/prelude-manager
 * [new ref]         e92e5920d642bb15841b334d19b87bd2e7b42e96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e92e592 convert GPLv2+ license to SPDX