$ git clone -n https://src.fedoraproject.org/rpms/nextpnr.git /var/lib/mock/f41-build-837335-159028/root/chroot_tmpdir/scmroot/nextpnr
Cloning into '/var/lib/mock/f41-build-837335-159028/root/chroot_tmpdir/scmroot/nextpnr'...
$ git fetch origin 89ca38f37f0368bd8d32a1ce23572ffb34b16a55:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/nextpnr
 * [new ref]         89ca38f37f0368bd8d32a1ce23572ffb34b16a55 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 89ca38f update to new snapshot