$ git clone -n https://src.fedoraproject.org/rpms/jack-keyboard.git /var/lib/mock/f29-build-5566-1325/root/thebuilddir/tmp/scmroot/jack-keyboard
Cloning into '/var/lib/mock/f29-build-5566-1325/root/thebuilddir/tmp/scmroot/jack-keyboard'...
$ git reset --hard ce0fe4de564d47a9be86081069ddd7006ca1c82e
HEAD is now at ce0fe4d - Rebuilt for https://fedoraproject.org/wiki/Fedora_28_Mass_Rebuild