$ git clone -n https://src.fedoraproject.org/rpms/gtk-vnc.git /var/lib/mock/f31-build-50765-27434/root/thebuilddir/tmp/scmroot/gtk-vnc
Cloning into '/var/lib/mock/f31-build-50765-27434/root/thebuilddir/tmp/scmroot/gtk-vnc'...
$ git reset --hard d8e7b0625f3e7dbd2a65f7d470351bd84fddce56
HEAD is now at d8e7b06 Update BRs for vala packaging changes