Configure jar task to build fat jar archives

build.gradle

@@ -13,9 +13,10 @@ repositories {
 }
 
 dependencies {
-    implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
-    runtime group: 'org.jetbrains.kotlin', name: 'kotlin-reflect', version: '1.3.61'
+    compile "org.jetbrains.kotlin:kotlin-stdlib-jdk8"
+    compile group: 'org.jetbrains.kotlin', name: 'kotlin-reflect', version: '1.3.61'
     testCompile group: 'junit', name: 'junit', version: '4.12'
+    compile group: 'org.pf4j', name: 'pf4j', version: '3.2.0'
 }
 
 compileKotlin {
@@ -23,4 +24,23 @@ compileKotlin {
 }
 compileTestKotlin {
     kotlinOptions.jvmTarget = "1.8"
+}
+
+jar {
+    zip64 true
+    manifest {
+        attributes 'Main-Class': 'io.smnp.SMNPKt'
+    }
+
+    // This line of code recursively collects and copies all of a project's files
+    // and adds them to the JAR itself. One can extend this task, to skip certain
+    // files or particular types at will
+    from configurations.compile.collect {
+        exclude "META-INF/*.SF"
+        exclude "META-INF/*.DSA"
+        exclude "META-INF/*.RSA"
+        it.isDirectory() ? it : zipTree(it)
+    }
+    from files(sourceSets.main.output.classesDirs)
+    from files(sourceSets.main.resources)
 }