Create version file in Gradle (See AppConfig.groovy)

build.gradle

def version_major = 0
def version_minor = 1
def version_patch = 0
def version_release = "BETA"

group 'org.company'
version "${version_major}.${version_minor}.${version_patch}.${version_release}"

task setVersion() {
    def appProperties = new File("src/main/resources/application.properties")
    appProperties.withWriter { writer ->
        writer.write("app.version.major=${version_major}\n")
        writer.write("app.version.minor=${version_minor}\n")
        writer.write("app.version.patch=${version_patch}\n")
        writer.write("app.version.release=${version_release}\n")
    }
}