$ git clone -n https://src.fedoraproject.org/rpms/gkrellm-wifi.git /var/lib/mock/f41-build-1200289-22413/root/chroot_tmpdir/scmroot/gkrellm-wifi
Cloning into '/var/lib/mock/f41-build-1200289-22413/root/chroot_tmpdir/scmroot/gkrellm-wifi'...
$ git fetch origin a9da3c6af60f915760ec609cac94660815891d27:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gkrellm-wifi
 * [new ref]         a9da3c6af60f915760ec609cac94660815891d27 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9da3c6 Eliminate use of obsolete %patchN syntax (#2283636)