Gradle script to include git version in APK name

apk-naming.gradle

android.applicationVariants.all { variant ->
    def appName
    if (project.hasProperty("applicationName")) {
        appName = applicationName
    } else {
        appName = parent.name
    }

    def gitSha = 'git rev-parse --short HEAD'.execute().text.trim()
    def gitCommitCount = 'git rev-list HEAD --count'.execute().text.trim()

    variant.outputs.each { output ->
        def directory = "F:\\${appName}_builds\\${gitCommitCount}"
        def newApkName = "${appName}-${output.baseName}-${gitCommitCount}.apk"
        output.outputFile = new File(directory, newApkName)
    }
}