$ git clone -n https://src.fedoraproject.org/rpms/arrows.git /var/lib/mock/f41-build-762728-13457/root/chroot_tmpdir/scmroot/arrows
Cloning into '/var/lib/mock/f41-build-762728-13457/root/chroot_tmpdir/scmroot/arrows'...
$ git fetch origin 49beee3ebd16d0340eff3b8aea7f851da7e95857:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/arrows
 * [new ref]         49beee3ebd16d0340eff3b8aea7f851da7e95857 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 49beee3 Eliminate use of obsolete %patchN syntax (#2283636)