def getVersionProps() {

def versionPropsFile = file('gradle.properties')

if (!versionPropsFile.exists()) {

versionPropsFile.createNewFile()

}

def versionProps = new Properties()

versionPropsFile.withInputStream {versionProps.load(it) }

return versionProps

}

private void commitSemanticRelease(versionName) {

Process addChanges = ['git', 'add', 'gradle.properties'].execute(null, project.rootDir)

addChanges.waitForProcessOutput(System.out, System.err)

Process createCommit = ['git', 'commit', "-m Release ${versionName}"].execute(null, project.rootDir)

createCommit.waitForProcessOutput(System.out, System.err)

}

private def getAppVersionCode() { getVersionProps()['appVersionCode'].toInteger() }

private void saveSemanticRelease(versionName) {

def versionProps = getVersionProps()

versionProps['appVersionName'] = versionName

versionProps['appVersionCode'] = (getAppVersionCode() + 1).toString()

versionProps.store(file('gradle.properties').newWriter(), null)

commitSemanticRelease(versionName)

}

task bumperSemanticRelease() {

group = 'bumper'

doLast {

def versionName = project.hasProperty('bumperVersionName') ? bumperVersionName : '1.0.0'

saveSemanticRelease(versionName)

}

}