Adding a gradle repl

build.gradle

@@ -139,3 +139,30 @@ jar {
         attributes("Minio-Client-Java-Version": version)
     }
 }
+
+/*
+ * Courtesy https://discuss.gradle.org/t/running-groovy-shell-from-gradle-task/6075/3
+ */
+configurations {
+    console
+}
+dependencies {
+    console 'commons-cli:commons-cli:1.2'
+    console('jline:jline:2.12.1')
+    console 'org.codehaus.groovy:groovy-groovysh:2.4.+'
+}
+task(console, dependsOn: 'classes') << {
+    def classpath = sourceSets.main.runtimeClasspath + configurations.console
+    def command = [
+            'java',
+            '-cp', classpath.collect().join(':'),
+            'org.codehaus.groovy.tools.shell.Main',
+            '--color',
+            '--terminal', 'unix']
+    def proc = new ProcessBuilder(command)
+            .redirectOutput(ProcessBuilder.Redirect.INHERIT)
+            .redirectInput(ProcessBuilder.Redirect.INHERIT)
+            .redirectError(ProcessBuilder.Redirect.INHERIT)
+            .start()
+    proc.waitFor()
+}