build.gradle

buildscript {
    repositories() {
        jcenter()
        maven {
            name = "forge"
            url = "http://files.minecraftforge.net/maven"
        }
        maven {
            name = "sonatype"
            url = "https://oss.sonatype.org/content/repositories/snapshots/"
        }
    }
    dependencies {
        classpath 'net.minecraftforge.gradle:ForgeGradle:2.1-SNAPSHOT'
    }
}

apply plugin: 'net.minecraftforge.gradle.forge'

//Version of your mod
version = "1.0"
//This should be the package your @Mod class is in
group = "com.example.example"
//This should be your modid
archivesBaseName = "example"
minecraft {
	//The version of minecraft and forge you are developing for
    version = "1.8.9-11.15.0.1688"
	//Run Dir is the directory minecraft will store files like saves and configs in
    runDir = "run"
	//Mappings are what forge uses to convert func_149645_b () to getRenderType() for example
    mappings = "snapshot_20160130"
}

//This is for building the jar don't worry about it
processResources {
    inputs.property "version", project.version
    inputs.property "mcversion", project.minecraft.version

    from(sourceSets.main.resources.srcDirs) {
        include 'mcmod.info'
        expand 'version': project.version, 'mcversion': project.minecraft.version
    }

    from(sourceSets.main.resources.srcDirs) {
        exclude 'mcmod.info'
    }
}