publish.gradle

apply plugin: 'maven-publish'

def getBranch() {
    def process = 'git branch --show-current'.execute()
    process.waitFor()
    return process.text.trim()
}

def getHash() {
    def process = 'git rev-parse HEAD'.execute()
    process.waitFor()
    return process.text.trim()
}

java {
    withSourcesJar()
}

jar {
    manifest {
        attributes(
                'Build-Jdk': "${System.properties['java.vendor']} ${System.properties['java.vm.version']}",
                'Created-By': "Gradle ${gradle.gradleVersion}",
                'Git-Branch': getBranch(),
                'Git-Hash': getHash()
        )
    }
}

publishing {
    publications {
        mavenJava(MavenPublication) {
            from components.java
        }
    }
    repositories {
        maven {
            name = "GitHubPackages"
            url = uri("https://maven.pkg.github.com/${System.getenv("GITHUB_REPOSITORY")}")
            credentials {
                username = System.getenv("GITHUB_ACTOR")
                password = System.getenv("GITHUB_TOKEN")
            }
        }
    }
}