Kraken

A Gradle plugin to publish artifacts to Maven Central or custom, private repositories.

Usage

plugins {
    id("dev.xxjanisxx.kraken") version "1.0.0"
}

group = "com.example"
version = "1.0.0"

maven {
    artifactId = "example-lib" // default: project.name
    url = "https://github.com/example/example-repository"
    description = "An example description"

    publishingType = PublishingType.USER_MANAGED // default: AUTOMATIC

    licenses {
        license {
            name = "MIT"
            url = "https://opensource.org/licenses/MIT"
        }
    }
    developers {
        developer {
            id = "john"
            name = "John Doe"
            email = "john@example.com"
        }
    }
    scm {
        url = "https://github.com/example/example-repository"
        connection = "scm:git:https://github.com/example/example-repository.git"
        developerConnection = "scm:git:ssh://git@github.com/example/example-repository.git"
    }
    ciManagement {
        system = "GitHub Actions"
        url = "https://github.com/example/example-repository/actions"
    }
    organization {
        name = "Example Org"
        url = "https://example.com"
    }

    // Optional: Configure custom, private target repositories (e.g., Reposilite, Nexus, Artifactory)
    repositories {
        register("releases") {
            url.set("https://repo.codemc.io/repository/maven-releases/")
            username.set(System.getenv("REPOSILITE_USER"))
            password.set(System.getenv("REPOSILITE_PASSWORD"))
        }
        register("snapshots") {
            url.set("https://repo.codemc.io/repository/maven-snapshots/")
            username.set(System.getenv("REPOSILITE_USER"))
            password.set(System.getenv("REPOSILITE_PASSWORD"))
        }
    }

    // Credentials and signing keys default to the environment variables below,
    // but can be overridden here if needed:
    // username = "..."
    // password = "..."
    // signingKey = "..."
    // signingPassword = "..."
    // signingKeyId = "..."
}

Environment variables

Variable	Purpose
MAVEN_USER	Central Portal username/token
MAVEN_TOKEN	Central Portal password/token
SIGNING_KEY	ASCII-armored PGP secret key
SIGNING_PASSWORD	Passphrase for SIGNING_KEY
SIGNING_KEY_ID	Optional key id (for subkeys)

Tasks

Task	Description
publishToCentralPortal	Uploads the bundle to the Sonatype Central Portal
generateBundle	Creates the upload bundle
checksumBundle	Generates .md5 / .sha1 checksums
publishAllPublicationsTo[Name]Repository	Publishes all publications to the specified custom repository