$ git clone -n https://src.fedoraproject.org/rpms/celt051.git /var/lib/mock/f31-build-56696-28243/root/chroot_tmpdir/scmroot/celt051
Cloning into '/var/lib/mock/f31-build-56696-28243/root/chroot_tmpdir/scmroot/celt051'...
$ git reset --hard 2514550105bfcdd0edb98f9d7c2fc15e778b9a58
HEAD is now at 2514550 - Rebuilt for https://fedoraproject.org/wiki/Fedora_30_Mass_Rebuild