$ git clone -n https://src.fedoraproject.org/rpms/python-rasterio.git /var/lib/mock/f41-build-852371-166334/root/chroot_tmpdir/scmroot/python-rasterio
Cloning into '/var/lib/mock/f41-build-852371-166334/root/chroot_tmpdir/scmroot/python-rasterio'...
$ git fetch origin 4c0b496bce55204d7b06acc8a63f1a56f724348c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-rasterio
 * [new ref]         4c0b496bce55204d7b06acc8a63f1a56f724348c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4c0b496 Update to latest version