in src/main/java/org/apache/maven/plugins/artifact/buildinfo/DescribeBuildOutputMojo.java [69:78]
public void execute() throws MojoExecutionException {
// super.execute(); // do not generate buildinfo, just reuse logic from abstract class
Instant timestamp =
MavenArchiver.parseBuildOutputTimestamp(outputTimestamp).orElse(null);
String effective = ((timestamp == null) ? "disabled" : DateTimeFormatter.ISO_INSTANT.format(timestamp));
diagnose(outputTimestamp, getLog(), project, session, effective);
getLog().info("");
describeBuildOutput();
}