$ git clone -n https://src.fedoraproject.org/rpms/gtkdialog.git /var/lib/mock/f29-build-6180-1516/root/thebuilddir/tmp/scmroot/gtkdialog
Cloning into '/var/lib/mock/f29-build-6180-1516/root/thebuilddir/tmp/scmroot/gtkdialog'...
$ git reset --hard bcfbde8fad46f6dc62111c60ba0ae3f592020649
HEAD is now at bcfbde8 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild