Change output file name for Android with build.gradle

build.gradle

apply plugin: 'com.android.library'

/** This closure will rename your output file with your outputName, versionName and git commit. */
android.metaClass.renameVariants = { String moduleName,  String outputName ->
    def isApplication = binding.variables.containsKey('applicationVariants')
    def variants = isApplication ? applicationVariants : libraryVariants
    def gitCommit = "git rev-parse --short HEAD".execute().text.trim()
    def ext = isApplication ? '.apk' : '.aar'

    variants.all { -> outputs.each {
        output ->
            def File file = output.outputFile
            def name = file.name

            name = name.replace(moduleName, outputName)
            name = name.replace(ext,
                    "-" + defaultConfig.versionName +
                    '-' + gitCommit + ext)

            output.outputFile = new File(file.parent, name)
        }
    }
}

android {
    compileSdkVersion Integer.parseInt(project.ANDROID_COMPILE_SDK_VERSION)
    buildToolsVersion project.ANDROID_BUILD_TOOLS_VERSION

    defaultConfig {
        minSdkVersion Integer.parseInt(project.ANDROID_MIN_SDK_VERSION)
        targetSdkVersion Integer.parseInt(project.ANDROID_TARGET_SDK_VERSION)
        versionCode Integer.parseInt(project.SDK_VERSION_CODE)
        versionName project.SDK_VERSION_NAME

        renameVariants('module', 'SweetProjectName')
    }
}