OpenSearch/gradle/forbidden-dependencies.gradle

// we do not want any of these dependencies on the compilation classpath
// because they could then be used within Elasticsearch
List<String> FORBIDDEN_DEPENDENCIES = [
  'guava'
]

Closure checkDeps = { Configuration configuration ->
  configuration.resolutionStrategy.eachDependency {
    String artifactName = it.target.name
    if (FORBIDDEN_DEPENDENCIES.contains(artifactName)) {
      throw new GradleException("Dependency '${artifactName}' on configuration '${configuration.name}' is not allowed. " +
        "If it is needed as a transitive depenency, try adding it to the runtime classpath")
    }
  }
}

subprojects {
  if (project.path.startsWith(':test:fixtures:') || project.path.equals(':build-tools')) {
    // fixtures are allowed to use whatever dependencies they want...
    return
  }
  pluginManager.withPlugin('java') {
    checkDeps(configurations.compileClasspath)
    checkDeps(configurations.testCompileClasspath)
  }
}