Publishing android libraries -- the "all" component

pub.gradle.kts

import com.android.build.gradle.LibraryExtension

plugins {
    `maven-publish`
}

var sourcesJar: TaskProvider<Jar>? = null
pluginManager.withPlugin("com.android.library") {
    // Task for generating the source jar so one can attach the source when debugging in other
    // projects. Added to debug publication automatically. The 'android' (LibraryExtension) extension
    // will only be available on library or application projects, which is why we gate it with
    // pluginManager.withPlugin()
    sourcesJar = tasks.register<Jar>("sourcesJar") {
        archiveClassifier.set("sources")
        from(project.extensions.getByType<LibraryExtension>().sourceSets["main"].java.srcDirs)
    }
}

afterEvaluate {
    publishing {
        publications {
            create<MavenPublication>(component) {
                from(components["all"])
                groupId = "com.mylib"
                version = "1.0"

                    sourcesJar?.let {
                        artifact(it.get())
                    }
                }
            }
        }

        if (project.hasProperty("artifactory_user") && project.hasProperty("artifactory_password")) {
            val artifactoryUser = project.property("artifactory_user") as String
            val artifactoryPassword = project.property("artifactory_password") as String
            val baseUrl = project.property("artifactory_contextUrl")

            repositories {
                maven {
                    name = "release"

                    val releaseUrl = "${baseUrl}/release"
                    val snapshotUrl = "${baseUrl}/snapshots"
                    url = uri(if (isSnapshot()) snapshotUrl else releaseUrl)

                    credentials(PasswordCredentials::class.java) {
                        username = artifactoryUser
                        password = artifactoryPassword
                    }
                }
            }
        }
    }
}