$ git clone -n https://src.fedoraproject.org/rpms/uisp.git /var/lib/mock/f41-build-1042180-18998/root/chroot_tmpdir/scmroot/uisp
Cloning into '/var/lib/mock/f41-build-1042180-18998/root/chroot_tmpdir/scmroot/uisp'...
$ git fetch origin d58e3a2890cd586dce13e40a6002d897940963d1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/uisp
 * [new ref]         d58e3a2890cd586dce13e40a6002d897940963d1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d58e3a2 Eliminate use of obsolete %patchN syntax (#2283636)