$ git clone -n https://src.fedoraproject.org/rpms/python-pysingular.git /var/lib/mock/f40-build-2258842-54356/root/chroot_tmpdir/scmroot/python-pysingular
Cloning into '/var/lib/mock/f40-build-2258842-54356/root/chroot_tmpdir/scmroot/python-pysingular'...
$ git fetch origin 4ef866a1ba0221c6fece6b4472700a4896726445:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-pysingular
 * [new ref]         4ef866a1ba0221c6fece6b4472700a4896726445 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4ef866a Stop building for 32-bit x86