$ git clone -n https://src.fedoraproject.org/rpms/openriichi.git /var/lib/mock/f41-build-side-1-2971407-35826/root/chroot_tmpdir/scmroot/openriichi
Cloning into '/var/lib/mock/f41-build-side-1-2971407-35826/root/chroot_tmpdir/scmroot/openriichi'...
$ git fetch origin fa7d922ef4839f9c4aa980cc5b0f6238d9de7f30:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openriichi
 * [new ref]         fa7d922ef4839f9c4aa980cc5b0f6238d9de7f30 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa7d922 convert GPLv3 license to SPDX