$ git clone -n https://src.fedoraproject.org/rpms/plotutils.git /var/lib/mock/f41-build-1219732-22741/root/chroot_tmpdir/scmroot/plotutils
Cloning into '/var/lib/mock/f41-build-1219732-22741/root/chroot_tmpdir/scmroot/plotutils'...
$ git fetch origin 3aeeb24d5629eb63b5684206326e65997e5a2d01:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/plotutils
 * [new ref]         3aeeb24d5629eb63b5684206326e65997e5a2d01 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3aeeb24 Eliminate use of obsolete %patchN syntax (#2283636)