$ git clone -n https://src.fedoraproject.org/rpms/kf6-kdesu.git /var/lib/mock/f41-build-838214-159635/root/chroot_tmpdir/scmroot/kf6-kdesu
Cloning into '/var/lib/mock/f41-build-838214-159635/root/chroot_tmpdir/scmroot/kf6-kdesu'...
$ git fetch origin edd0aa38d4b5f3e14827c455fdab273084d3e398:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf6-kdesu
 * [new ref]         edd0aa38d4b5f3e14827c455fdab273084d3e398 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at edd0aa3 6.5.0