chore: update to new maven central publishing api

Author: mworzala

build.gradle.kts

@@ -3,7 +3,7 @@ plugins {
 
     `maven-publish`
     signing
-    alias(libs.plugins.nexuspublish)
+    alias(libs.plugins.nmcp.aggregation)
 }
 
 group = "dev.hollowcube"
@@ -27,26 +27,22 @@ java {
     withSourcesJar()
     withJavadocJar()
 
-    sourceCompatibility = JavaVersion.VERSION_21
-    targetCompatibility = JavaVersion.VERSION_21
+    toolchain.languageVersion = JavaLanguageVersion.of(21)
 }
 
 tasks.test {
     useJUnitPlatform()
 }
 
-nexusPublishing {
-    this.packageGroup.set("dev.hollowcube")
-
-    repositories.sonatype {
-        nexusUrl.set(uri("https://s01.oss.sonatype.org/service/local/"))
-        snapshotRepositoryUrl.set(uri("https://s01.oss.sonatype.org/content/repositories/snapshots/"))
-
-        if (System.getenv("SONATYPE_USERNAME") != null) {
-            username.set(System.getenv("SONATYPE_USERNAME"))
-            password.set(System.getenv("SONATYPE_PASSWORD"))
-        }
+nmcpAggregation {
+    centralPortal {
+        username = System.getenv("SONATYPE_USERNAME")
+        password = System.getenv("SONATYPE_PASSWORD")
+        publishingType = "AUTOMATIC"
     }
+
+    // Its fine we dont use multiple projects
+    publishAllProjectsProbablyBreakingProjectIsolation()
 }
 
 publishing.publications.create<MavenPublication>("maven") {

gradle/libs.versions.toml

@@ -6,7 +6,7 @@ slf4j = "2.0.16"
 gson = "2.12.1"
 junit = "5.10.0"
 
-nexuspublish = "1.3.0"
+nmcp = "1.0.0-rc.1"
 
 [libraries]
 annotations = { group = "org.jetbrains", name = "annotations", version.ref = "annotations" }
@@ -16,4 +16,4 @@ gson = { group = "com.google.code.gson", name = "gson", version.ref = "gson" }
 junit = { group = "org.junit.jupiter", name = "junit-jupiter", version.ref = "junit" }
 
 [plugins]
-nexuspublish = { id = "io.github.gradle-nexus.publish-plugin", version.ref = "nexuspublish" }
+nmcp-aggregation = { id = "com.gradleup.nmcp.aggregation", version.ref = "nmcp" }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
 #Thu Feb 13 12:00:38 EST 2025
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-8.12-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-8.14.2-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists