$ git clone -n https://src.fedoraproject.org/rpms/xfce4-systemload-plugin.git /var/lib/mock/f41-build-side-1-2810806-32921/root/chroot_tmpdir/scmroot/xfce4-systemload-plugin
Cloning into '/var/lib/mock/f41-build-side-1-2810806-32921/root/chroot_tmpdir/scmroot/xfce4-systemload-plugin'...
$ git fetch origin 27e8ed8d0cb1e720d645d261a78c552a704d0bc0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xfce4-systemload-plugin
 * [new ref]         27e8ed8d0cb1e720d645d261a78c552a704d0bc0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 27e8ed8 convert license to SPDX