$ git clone -n https://src.fedoraproject.org/rpms/rpm-ostree.git /var/lib/mock/f31-build-117430-34734/root/chroot_tmpdir/scmroot/rpm-ostree
Cloning into '/var/lib/mock/f31-build-117430-34734/root/chroot_tmpdir/scmroot/rpm-ostree'...
$ git reset --hard f20dae4e0a0d2b3bd62f87e911fddc61a7be5c17
HEAD is now at f20dae4 Add patch to fix 32-bit compilation