Migrate to Gradle

.github/workflows/build.yml

@@ -1,6 +1,7 @@
-name: build
+name: Build
 on:
   pull_request:
+  workflow_dispatch:
   push:
     branches:
       - dev
@@ -17,13 +18,18 @@ jobs:
         with:
           java-version: 21
           distribution: temurin
-          cache: maven
-      - name: build
-        run: mvn install
+      # Configures gradle with caching
+      - name: Setup Gradle
+        uses: gradle/actions/setup-gradle@v4
+      # Run "gradlew publish" for origin/dev and "gradlew build" for PRs or elsewhere
+      - name: Execute Gradle ${{ (github.repository == 'PGMDev/Community' && github.ref == 'refs/heads/dev') && 'Publish' || 'Build' }}
+        run: ./gradlew ${{ (github.repository == 'PGMDev/Community' && github.ref == 'refs/heads/dev') && 'publish' || 'build' }}
+        env:
+          GITHUB_TOKEN: ${{ (github.repository == 'PGMDev/Community' && github.ref == 'refs/heads/dev') && secrets.GITHUB_TOKEN || '' }}
       - name: artifact
         uses: actions/upload-artifact@v4
         with:
           name: Community.jar
-          path: target/Community.jar
+          path: build/libs/Community.jar
           if-no-files-found: error
 

.gitignore

@@ -13,7 +13,6 @@ bin/
 *.class
 *.log
 *.ctxt
-*.jar
 *.war
 *.nar
 *.ear
@@ -29,3 +28,6 @@ hs_err_pid*
 .classpath
 .project
 .settings
+build
+.gradle
+.DS_Store

buildSrc/build.gradle.kts

@@ -0,0 +1,15 @@
+plugins {
+    // Support convention plugins written in Kotlin. Convention plugins are build scripts in 'src/main' that automatically become available as plugins in the main build.
+    `kotlin-dsl`
+}
+
+repositories {
+    // Use the plugin portal to apply community plugins in convention plugins.
+    gradlePluginPortal()
+}
+
+dependencies {
+    implementation("com.gradleup.shadow:shadow-gradle-plugin:8.3.0")
+    implementation("com.diffplug.spotless:spotless-plugin-gradle:7.0.0.BETA4")
+    implementation("de.skuzzle.restrictimports:restrict-imports-gradle-plugin:2.6.0")
+}

buildSrc/src/main/kotlin/buildlogic.java-conventions.gradle.kts

@@ -0,0 +1,71 @@
+plugins {
+    `java-library`
+    id("com.diffplug.spotless")
+    id("de.skuzzle.restrictimports")
+}
+
+java {
+    toolchain {
+        languageVersion = JavaLanguageVersion.of(21)
+    }
+}
+
+repositories {
+    mavenLocal()
+    mavenCentral()
+    maven("https://repo.pgm.fyi/snapshots") // Sportpaper & other pgm-specific stuff
+    maven("https://hub.spigotmc.org/nexus/content/repositories/snapshots/") // Spigot repo
+    maven("https://repo.aikar.co/content/groups/aikar/") // aikar repo
+}
+
+dependencies {
+    implementation("tc.oc.pgm:util:0.16-SNAPSHOT") { isTransitive = false }
+    implementation("com.zaxxer:HikariCP:2.4.1") { isTransitive = false }
+    implementation("fr.minuskube.inv:smart-invs:1.2.7") { isTransitive = false }
+
+    implementation("redis.clients:jedis:3.5.1")
+    implementation("co.aikar:idb-core:1.0.0-SNAPSHOT")
+    implementation("co.aikar:idb-bukkit:1.0.0-SNAPSHOT")
+    implementation("net.kyori:adventure-api:4.17.0")
+    implementation("net.kyori:adventure-text-serializer-plain:4.17.0")
+    implementation("net.kyori:adventure-platform-bukkit:4.3.4")
+
+    compileOnly("app.ashcon:sportpaper:1.8.8-R0.1-SNAPSHOT")
+    compileOnly("tc.oc.pgm:core:0.16-SNAPSHOT")
+    compileOnly("tc.oc.occ:AFK:1.0.0-SNAPSHOT")
+    compileOnly("tc.oc.occ:Environment:1.0.0-SNAPSHOT")
+    compileOnly("org.incendo:cloud-annotations:2.0.0")
+    compileOnly("org.jetbrains:annotations:22.0.0")
+}
+
+group = "dev.pgm.community"
+version = "0.2-SNAPSHOT"
+description = "A plugin for managing a Minecraft community"
+
+tasks {
+    withType<JavaCompile>() {
+        options.encoding = "UTF-8"
+    }
+    withType<Javadoc>() {
+        options.encoding = "UTF-8"
+    }
+}
+
+spotless {
+    ratchetFrom = "origin/dev"
+    java {
+        removeUnusedImports()
+        palantirJavaFormat("2.47.0").style("GOOGLE").formatJavadoc(true)
+    }
+}
+
+restrictImports {
+    group {
+        reason = "Use org.jetbrains.annotations to add annotations"
+        bannedImports = listOf("javax.annotation.**")
+    }
+    group {
+        reason = "Use tc.oc.pgm.util.Assert to add assertions"
+        bannedImports = listOf("com.google.common.base.Preconditions.**", "java.util.Objects.requireNonNull")
+    }
+}

buildSrc/src/main/kotlin/extensions.kt

@@ -0,0 +1,16 @@
+import org.gradle.api.Project
+import java.io.ByteArrayOutputStream
+
+
+fun Project.latestCommitHash(): String {
+    return runGitCommand(listOf("rev-parse", "--short", "HEAD"))
+}
+
+fun Project.runGitCommand(args: List<String>): String {
+    val byteOut = ByteArrayOutputStream()
+    exec {
+        commandLine = listOf("git") + args
+        standardOutput = byteOut
+    }
+    return byteOut.toString(Charsets.UTF_8.name()).trim()
+}

core/build.gradle.kts

@@ -0,0 +1,60 @@
+import com.github.jengelman.gradle.plugins.shadow.tasks.ShadowJar
+
+plugins {
+    id("buildlogic.java-conventions")
+    `maven-publish`
+    id("com.gradleup.shadow")
+}
+
+tasks.named<ShadowJar>("shadowJar") {
+    archiveFileName = "Community.jar"
+    archiveClassifier.set("")
+    destinationDirectory = rootProject.projectDir.resolve("build/libs")
+
+    minimize()
+
+    dependencies {
+        exclude(dependency("org.jetbrains:annotations"))
+    }
+
+    exclude("META-INF/**")
+}
+
+publishing {
+    publications.create<MavenPublication>("community") {
+        groupId = project.group as String
+        artifactId = project.name
+        version = project.version as String
+
+        artifact(tasks["shadowJar"])
+    }
+    repositories {
+        maven {
+            name = "ghPackages"
+            url = uri("https://maven.pkg.github.com/PGMDev/Community")
+            credentials {
+                username = System.getenv("GITHUB_ACTOR")
+                password = System.getenv("GITHUB_TOKEN")
+            }
+        }
+    }
+}
+
+tasks {
+    processResources {
+        filesMatching(listOf("plugin.yml")) {
+            expand(
+                "name" to project.name,
+                "description" to project.description,
+                "mainClass" to "dev.pgm.community.Community",
+                "version" to project.version,
+                "commitHash" to project.latestCommitHash(),
+                "author" to "applenick",
+                "url" to "https://pgm.dev/")
+        }
+    }
+
+    named("build") {
+        dependsOn(shadowJar)
+    }
+}