$ git clone -n https://src.fedoraproject.org/rpms/xorg-x11-drv-opentegra.git /var/lib/mock/f29-build-4504-1052/root/thebuilddir/tmp/scmroot/xorg-x11-drv-opentegra
Cloning into '/var/lib/mock/f29-build-4504-1052/root/thebuilddir/tmp/scmroot/xorg-x11-drv-opentegra'...
$ git reset --hard 68eab41e879d8e71e4cde3a8e68e9c6593c0e3f6
HEAD is now at 68eab41 - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild