Gradle + Node + Gulp build script

buildscript {
    repositories {
        jcenter()
        maven {
            url "https://plugins.gradle.org/m2/"
        }
    }

    dependencies {
        classpath 'com.moowork.gradle:gradle-node-plugin:0.13'
        classpath 'com.moowork.gradle:gradle-gulp-plugin:0.13'
    }
}

subprojects{
    apply plugin: 'com.moowork.node'
    apply plugin: 'com.moowork.gulp'

    node {
        // Version of node to use.
        version = '4.4.7'
        // Base URL for fetching node distributions.
        distBaseUrl = 'http://nodejs.org/dist'
        // If true, it will download node using above parameters.
        // If false, it will try to use globally installed node.
        download = true

        workDir = file("${rootProject.buildDir}/nodejs")

        nodeModulesDir = file("${rootProject.projectDir}/gradle")
    }

    npm_install {
        inputs.files file("${rootProject.projectDir}/package.json")
        outputs.files file("${rootProject.projectDir}/gradle/node_modules")
        args = ['--loglevel', 'warn']
        description = "Install Node.js packages"
        outputs.upToDateWhen { false }
    }

    gulp{
        colors = true
    }

// makes sure on each build that gulp is installed
    gulp_prod.dependsOn 'installGulp'

// processes your package.json before running gulp build
    gulp_prod.dependsOn 'npmInstall'
}