build.publish.gradle

// build.publish.gradle
apply plugin: 'signing'
apply plugin: 'maven'

boolean validProperty(propertyName) {
    try { project.property(propertyName) != null }
    catch (MissingPropertyException) { false }
}
assert validProperty('signing.keyId'),             'properties for signing must be provided'
assert validProperty('signing.secretKeyRingFile'), 'properties for signing must be provided'
assert validProperty('sonatypeUsername'),          'properties for publish must be provided'
assert validProperty('sonatypeFullname'),          'properties for publish must be provided'

String askPassword(prompt) {
    "${System.console().readPassword(prompt)}"
}
ext.'signing.password' = askPassword("Enter password for PGP key ${property('signing.keyId')}: ")
ext.'sonatypePassword' = askPassword("Enter password for ${sonatypeUsername}@oss.sonatype.org: ")

signing {
    sign configurations.archives
}

uploadArchives {
    repositories.mavenDeployer {
        repository(url: 'https://oss.sonatype.org/service/local/staging/deploy/maven2/') {
            authentication(userName: sonatypeUsername, password: sonatypePassword)
        }
        beforeDeployment { MavenDeployment deployment -> signing.signPom(deployment) }
        pom.project {
            name '小説家になろうAPIのJavaラッパーライブラリ'
            packaging 'jar'
            description project.description
            url 'https://github.com/Nshiba/narou4j'
            scm {
                url 'https://github.com/Nshiba/narou4j.git'
                connection 'scm:git:git@github.com:Nshiba/narou4j.git'
                developerConnection 'scm:git:git@github.com:Nshiba/narou4j.git'
            }
            licenses {
                license {
                    name 'The Apache Software License, Version 2.0'
                    url 'http://www.apache.org/licenses/LICENSE-2.0.txt'
                    distribution 'repo'
                }
            }
            developers {
                developer {
                    id sonatypeUsername
                    name sonatypeFullname
                }
            }
        }
    }
}