Put these in a folder, clone projects to that folder to your hearts content. Then run ```` gradle build``` and all the mods will be built and put in the output folder for you. DISCLAIMER: may not work perfectly for all mods

build.gradle

task build
task clean
task setup

ext.output = new File(rootProject.projectDir, "output")

subprojects {
    afterEvaluate {
        // not using ForgeGradle? skipping you.
        if (!hasPlugin("forge") && !hasPlugin("fml") && !hasPlugin("liteloader"))
            return;

        rootProject.tasks.build.dependsOn build
        rootProject.tasks.clean.dependsOn clean
        rootProject.tasks.setup.dependsOn setupDecompWorkspace

        // gauranteed to exist
        jar.destinationDir = rootProject.output
    }
}

settings.gradle

import groovy.io.FileType

// dynamic module loader
def exclude = [
	"gradle",
	"build",
        "output",
// any other ignored dirs.
]

rootProject.projectDir.eachFile(FileType.DIRECTORIES) {
	if (it.getName().startsWith('.') || exclude.contains(it.getName()))
		return
	else
		include it.getName()
}