Version bump gradle task

.gradle

task bumperVersionPatch() {
    group = 'bumper'
    doLast {
        def propertiesFile = file('gradle.properties')
        def properties = new Properties()
        properties.load(new FileInputStream(propertiesFile))

        def versionName = properties['evaVersionName']
        def versionCode = properties['evaVersionCode'].toInteger()

        def major = (versionName =~ /\d+/)[0].toInteger()
        def minor = (versionName =~ /\d+/)[1].toInteger()
        def patch = (versionName =~ /\d+/)[2].toInteger()

        // Save
        properties['evaVersionName'] = "${major}.${minor}.${patch + 1}".toString()
        properties['evaVersionCode'] = (versionCode + 1).toString()
        properties.store(file('gradle.properties').newWriter(), null)

        Process addProcess = ['git', 'add', 'app/gradle.properties'].execute(null, project.rootDir)
        addProcess.waitForProcessOutput(System.out, System.err)

        Process commitProcess = ['git', 'commit', "-m Internal Release ${versionName}"].execute(null, project.rootDir)
        commitProcess.waitForProcessOutput(System.out, System.err)
    }
}