Trump's DOJ has no protector in Judge Pauley. From the Guardian article

The Department of Justice had tried to continue redacting the names of people who were not charged, but was ordered on Wednesday to reveal the information by Pauley.

“The campaign finance violations discussed in the materials are a matter of national importance,” Pauley wrote. “Now that the government’s investigation into those violations has concluded, it is time that every American has an opportunity to scrutinize the materials.”

just following his oath of office

Each justice or judge of the United States shall take the following oath or affirmation before performing the duties of his office: “I, ___ ___, do solemnly swear (or affirm) that I will administer justice without respect to persons, and do equal right to the poor and to the rich, and that I will faithfully and impartially discharge and perform all the duties incumbent upon me as ___ under the Constitution and laws of the United States. So help me God.”

(June 25, 1948, ch. 646, 62 Stat. 907; Pub. L. 101–650, title IV, § 404, Dec. 1, 1990, 104 Stat. 5124.)