$ git clone -n https://src.fedoraproject.org/rpms/gnome-vfs2.git /var/lib/mock/f41-build-756802-13422/root/chroot_tmpdir/scmroot/gnome-vfs2
Cloning into '/var/lib/mock/f41-build-756802-13422/root/chroot_tmpdir/scmroot/gnome-vfs2'...
$ git fetch origin 0e46522d4b7b3f40720186ce9940b458c48abd9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-vfs2
 * [new ref]         0e46522d4b7b3f40720186ce9940b458c48abd9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0e46522 Eliminate use of obsolete %patchN syntax (#2283636)