How can you sync Gradle with IntelliJ when verifying the signatures? Can you enable verification via a property? Currently I can't sync because IntelliJ tries to download the sources.jar via a detachedConfiguration (added via init script).

Do you need them to be verified? Otherwise you could exclude javadoc and sources artifacts from verification: https://docs.gradle.org/current/userguide/dependency_verification.html#sec:skipping-javadocs

Thanks! Still misses

<trust file="gradle-.*-src[.]zip" regex="true"/>

for Gradle itself, but thanks!

Yeah, that issue has that in one of its comments