And will Trump really veto it if the republican controlled Senate passes it?
Trump has a long history of posturing and using bluffs.
Hard to say. Anything's possible.
The Executive office did release this statement on Thursday stating they cannot support the bill "in it's current form" due to unsupported evidence and questioning it's constitutionality ...
https://www.whitehouse.gov/wp-content/uploads/2020/02/SAP_HR-2339.pdf