$ git clone -n https://src.fedoraproject.org/rpms/coin-or-Cbc.git /var/lib/mock/f31-build-65869-29789/root/thebuilddir/tmp/scmroot/coin-or-Cbc
Cloning into '/var/lib/mock/f31-build-65869-29789/root/thebuilddir/tmp/scmroot/coin-or-Cbc'...
$ git reset --hard aa3c471a9f63cc502f3f4194a3e0c9db95651023
HEAD is now at aa3c471 Update to latest upstream release (bz 1461035).