$ git clone -n https://src.fedoraproject.org/rpms/gpredict.git /var/lib/mock/f41-build-1028399-18355/root/chroot_tmpdir/scmroot/gpredict
Cloning into '/var/lib/mock/f41-build-1028399-18355/root/chroot_tmpdir/scmroot/gpredict'...
$ git fetch origin 494e90e9866604b06263d30c39d4c6e6cb79a486:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gpredict
 * [new ref]         494e90e9866604b06263d30c39d4c6e6cb79a486 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 494e90e Eliminate use of obsolete %patchN syntax (#2283636)