Update the maven publish plugin

plugin/build.gradle.kts

@@ -1,26 +1,72 @@
 plugins {
     id("com.android.library")
-    id("com.vanniktech.maven.publish")
+    id("maven-publish")
     kotlin("android")
     id("kotlin-parcelize")
+    signing
 }
 
 setupCommon()
 
 android {
     defaultConfig {
-        versionCode = findProperty("VERSION_CODE").toString().toInt()
-        versionName = findProperty("VERSION_NAME").toString()
+        versionCode = 10
+        versionName = "2.0.1"
     }
 
     lintOptions.informational("GradleDependency")
 }
 
-mavenPublish.targets.getByName("uploadArchives") {
-    releaseRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
-    snapshotRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
-    repositoryUsername = findProperty("NEXUS_USERNAME").toString()
-    repositoryPassword = findProperty("NEXUS_PASSWORD").toString()
+afterEvaluate {
+    publishing {
+        publications {
+            create<MavenPublication>("release") {
+                from(components["release"])
+
+                groupId = "com.github.shadowsocks"
+                artifactId = "plugin"
+                version = android.defaultConfig.versionName
+
+                pom {
+                    name.set("Shadowsocks Plugin")
+                    description.set("SIP003 plugin for Shadowsocks")
+                    url.set("http://www.example.com/library")
+                    licenses {
+                        license {
+                            name.set("The GNU General Public License v3.0")
+                            url.set("https://www.gnu.org/licenses/gpl-3.0.html")
+                        }
+                    }
+                    developers {
+                        developer {
+                            id.set("Mygod")
+                            name.set("Mygod Studio")
+                            email.set("[email protected]")
+                        }
+                    }
+                    scm {
+                        connection.set("scm:git:git://github.com/shadowsocks/shadowsocks-android.git")
+                        developerConnection.set("scm:git:git://github.com/shadowsocks/shadowsocks-android.git")
+                        url.set("https://github.com/shadowsocks/shadowsocks-android")
+                    }
+                }
+            }
+        }
+        repositories {
+            maven {
+                val releaseRepositoryUrl = "https://oss.sonatype.org/service/local/staging/deploy/maven2/"
+                val snapshotRepositoryUrl = "https://oss.sonatype.org/content/repositories/snapshots/"
+                credentials {
+                    username = findProperty("NEXUS_USERNAME").toString()
+                    password = findProperty("NEXUS_PASSWORD").toString()
+                }
+                url = uri(if (version.toString().endsWith("SNAPSHOT")) snapshotRepositoryUrl else releaseRepositoryUrl)
+            }
+        }
+    }
+    signing {
+        sign(publishing.publications["release"])
+    }
 }
 
 dependencies {