net-http/gradle/publish/sonatype.gradle

if (project.hasProperty('ossrhUsername') && project.hasProperty('ossrhPassword')) {
    nexusPublishing {
        repositories {
            sonatype {
                username = project.property('ossrhUsername')
                password = project.property('ossrhPassword')
                packageGroup = "org.xbib"
            }
        }
    }
}