If Trump judicial appointees start issuing injunctions against "sanctuary city" measures, expect it to happen in a heartbeat.
Injunction junction, what's your function...
Here’s a good example.
The official told the Daily Caller, Today, the Trump Administration announced its repeal of President Obamas oppressive WOTUS regulation. For years, this rule has been used by government agencies to punish farmers and private land owners with out-of-control fines and imprisonment for simply working to protect or better their property. This is another promise kept for our farmers and ranchers as President Trump continues to remove crushing regulations from the American people.
The Trump administration initially tried to re-write the WOTUS rules in 2018, but they were blocked by a court injunction
https://dailycaller.com/2019/09/12/trump-epa-clean-water-regulation-rollback/