1 files changed, 143 insertions, 0 deletions
diff --git a/build.gradle.kts b/build.gradle.kts
new file mode 100644
index 00000000..d9166750
--- /dev/null
+++ b/build.gradle.kts
@@ -0,0 +1,143 @@
+import xyz.wagyourtail.jvmdg.gradle.task.DowngradeJar
+import java.io.ByteArrayOutputStream
+
+plugins {
+    java
+    `maven-publish`
+    id("xyz.wagyourtail.jvmdowngrader")
+}
+
+allprojects {
+    apply(plugin = "java")
+
+    group = "com.leonardobishop"
+    version = "3.15"
+
+    java {
+        toolchain {
+            languageVersion = JavaLanguageVersion.of(21)
+        }
+    }
+}
+
+subprojects {
+    tasks.withType<JavaCompile> {
+        options.encoding = Charsets.UTF_8.name()
+        options.release = 21
+    }
+
+    tasks.withType<Javadoc> {
+        options.encoding = Charsets.UTF_8.name()
+    }
+
+    tasks.withType<ProcessResources> {
+        filteringCharset = Charsets.UTF_8.name()
+    }
+}
+
+defaultTasks = mutableListOf("clean", "allJar")
+
+tasks.register<Jar>("allJar") {
+    subprojects {
+        dependsOn.add(tasks.build)
+    }
+
+    if (project.findProperty("gitversion") == null || project.findProperty("gitversion") == "true") {
+        val gitCommitHash = gitCommitHash()
+
+        allprojects {
+            version = "${version}-${gitCommitHash}"
+        }
+    }
+
+    subprojects {
+        configurations.archives {
+            allArtifacts.files.forEach {
+                from(zipTree(it))
+            }
+        }
+    }
+
+    archiveBaseName = "Quests"
+}
+
+fun gitCommitHash(): String {
+    val outputStream = ByteArrayOutputStream()
+
+    project.exec {
+        commandLine = "git rev-parse --verify --short HEAD".split(" ")
+        standardOutput = outputStream
+    }
+
+    val gitCommitHashBytes = outputStream.toByteArray()
+    return String(gitCommitHashBytes).trim()
+}
+
+val javaVersions = listOf(
+    // from 1.12 to 1.16.5
+    JavaVersion.VERSION_1_8,
+
+    // from 1.17 to 1.17.1
+    JavaVersion.VERSION_16,
+
+    // from 1.18 to 1.20.4
+    JavaVersion.VERSION_17
+)
+
+for (javaVersion in javaVersions) {
+    val allJarTask = tasks.getByName<Jar>("allJar")
+
+    // we use this hacky solution to improve display and sort order in IntelliJ Gradle tab
+    val majorVersion = javaVersion.ordinal + 1
+    val majorVersionFormatted = String.format("%02d", majorVersion)
+    val taskName = "downgrade${majorVersionFormatted}AllJar"
+
+    tasks.register<DowngradeJar>(taskName) {
+        inputFile = allJarTask.archiveFile
+        downgradeTo = javaVersion
+        quiet = true
+
+        archiveBaseName = "Quests"
+        archiveClassifier = "downgraded-${majorVersion}"
+    }
+
+    defaultTasks.add(taskName)
+}
+
+artifacts {
+    val allJarTask = tasks.named("allJar")
+    archives(allJarTask)
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("maven") {
+            groupId = "com.leonardobishop"
+            artifactId = "quests"
+            version = project.version.toString()
+
+            val allJarTask = tasks.named("allJar")
+            artifact(allJarTask)
+
+            pom {
+                dependencies {
+                    clear()
+                }
+            }
+        }
+    }
+
+    repositories {
+        maven("https://repo.leonardobishop.com/releases/") {
+            credentials {
+                username = findPropertyString("mavenUser") ?: System.getenv("MAVEN_USER")
+                password = findPropertyString("mavenPassword") ?: System.getenv("MAVEN_PASSWORD")
+            }
+        }
+    }
+}
+
+fun findPropertyString(propertyName: String): String? {
+    val propertyValue = project.findProperty(propertyName)
+    return if (propertyValue is String) propertyValue else null
+}