Running HALFpipe with completed fmriprep derivative data

Summary of what happened:

I want to use HALFpipe but I already have fmriprep run on all subjects. Is there a way to run HALFpipe with this completed fmriprep data to make the processing faster?

Command used (and if a helper script was used, a link to the helper script or the command generated):

Environment (Docker, Singularity, custom installation):

Using docker

Data formatted according to a validatable standard? Please provide the output of the validator:

Relevant log outputs (up to 20 lines):

Screenshots / relevant information:

Anyone have thoughts on this?
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