$ git clone -n https://src.fedoraproject.org/rpms/klickety.git /var/lib/mock/f41-build-side-1-2647405-27302/root/chroot_tmpdir/scmroot/klickety
Cloning into '/var/lib/mock/f41-build-side-1-2647405-27302/root/chroot_tmpdir/scmroot/klickety'...
$ git fetch origin 026d84321e21e8b2f4b2d9172263406606178a0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/klickety
 * [new ref]         026d84321e21e8b2f4b2d9172263406606178a0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 026d843 convert license to SPDX