$ git clone -n https://src.fedoraproject.org/rpms/gnonlin.git /var/lib/mock/f31-build-56268-28209/root/chroot_tmpdir/scmroot/gnonlin
Cloning into '/var/lib/mock/f31-build-56268-28209/root/chroot_tmpdir/scmroot/gnonlin'...
$ git reset --hard d2766a2bc3758e06608a893638a42d360d453ed7
HEAD is now at d2766a2 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild