build.gradle

apply from: 'versions.gradle'
apply from: 'deps.gradle'
if (file('local.gradle').exists()) {
    apply from: 'local.gradle'
}

buildscript {
    repositories {
        jcenter()
    }
    dependencies {
        classpath 'com.android.tools.build:gradle:2.2.0'
    }
}

allprojects {
    repositories {
        mavenLocal()
        jcenter()
    }
}

task clean(type: Delete) {
    delete rootProject.buildDir
}

def isReleaseBuild() {
    return isTag() && !isSnapshot()
}

def isSnapshot() {
    return version.contains("SNAPSHOT")
}

boolean isTravis() {
    return System.getenv('TRAVIS_BUILD_NUMBER') ? true : false
}

boolean isTag() {
    def tag = System.getenv('TRAVIS_TAG')
    return !(tag == null || tag.isEmpty())
}

def buildNumber() {
    return System.getenv('TRAVIS_BUILD_NUMBER') ?: "0"
}