$ git clone -n https://src.fedoraproject.org/rpms/jsoncpp.git /var/lib/mock/f31-build-56079-28181/root/chroot_tmpdir/scmroot/jsoncpp
Cloning into '/var/lib/mock/f31-build-56079-28181/root/chroot_tmpdir/scmroot/jsoncpp'...
$ git reset --hard 03d2d8ec50e36c99c5f5bf6e54831cb54f54b9b4
HEAD is now at 03d2d8e Fix release