in src/main/java/org/apache/maven/plugins/gpg/SignAndDeployFileMojo.java [593:596]
protected ArtifactRepository createDeploymentArtifactRepository(String id, String url) {
return new MavenArtifactRepository(
id, url, new DefaultRepositoryLayout(), new ArtifactRepositoryPolicy(), new ArtifactRepositoryPolicy());
}