$ git clone -n https://src.fedoraproject.org/rpms/ucviewer.git /var/lib/mock/f29-build-6702-1643/root/thebuilddir/tmp/scmroot/ucviewer
Cloning into '/var/lib/mock/f29-build-6702-1643/root/thebuilddir/tmp/scmroot/ucviewer'...
$ git reset --hard dc6ada9d0f35cf45966c808dce10f7bb0a87844b
HEAD is now at dc6ada9 Add BuildRequires: gcc-c++ as per packaging guidelines