obs_decam now has basic Gen3 butler support (sufficient for ingest), but we'll need to expand that to get to the point where we can run single-frame processing (IsrTask, CharacterizeImageTask, and CalibrateTask) via Gen3 on it. That will include, at least:
- implementing writeCuratedCalibrations in the instrument class;
- specializing (and modifying, as necessary) the instrument-specific hooks for the gen2to3 tool, at least to the point where we can write scripts like the ones in ci_hsc_gen3/bin.src to make a fully-usable Gen3 repo.
I'm assigning this to John Parejko and the AP team for now, in the hopes it might be possible for him to finish the work he started with the initial DECam conversion.
A useful concrete end-point for this task would be a CI package that creates a Gen3 repo containing the HiTS (2015) raws, master calibrations, reference catalogs and runs the aforementioned tasks as a Pipeline.