So, I'm trying to do a several-step process, but it needs to run on a GPU queue in ClearML. How would I do that?

Specifically, here's what I'm trying to do, is it possible?
download a dataset. pass that dataset location to a script based on this one: https://github.com/huggingface/transformers/blob/master/examples/pytorch/language-modeling/run_mlm.py (is it even possible to pass command line arguments?) still track the training progress in clearML run it all on a GPU Queue I have access to.
And here's what I've looked at:
I've looked at the " https://allegro.ai/clearml/docs/docs/examples/pipeline/pipeline_controller.html " and it looks like it runs each step in a separate Docker instance. But for the dataset, it needs to be in the same container as the training. I could also edit run_mlm.py to add in the data downloading before the training begins, but, well, the argparse logic in that script is really complex. It would be much easier to pass in the data location as a command-line argument. The folder I want to pass in actually contains several important files, e.g. a tokenizer json, a config.json, etc. Maybe I could run a "setup shell script" first?
I guess I'm confused how the setup shell scripts work, how to trigger my training script, and so forth.

Could I, say, run the download in the "Setup Shell Script", and then somehow run the script with command line arguments? Is it possible to make a Task that just runs a bash script? How do these things work? Sorry for the rambly question, if anyone's got some pointers to details of how these Tasks and Queues work I'd be appreciative