versioninfo.gradle

// This now supports Semantic Versioning
// (see http://semver.org/ for more information)
def getVersionInfo() {
    def longVersionName = ''
    def hasVersionMarker = longVersionName.count('-') > 2
    def fullVersionTag
    def versionMarker = ''
    def versionBuild
    def gitSha
    def versionBuildStr
    def versionMarkerStr

    try {
        longVersionName = "git -C ${rootDir} describe --tags --long".execute().text.trim()
        if( longVersionName.length() == 0 ) {
            throw new GradleException("No version information detected.")
        }
    } catch( Throwable e ) {
        return [ null ];
    }

    if (hasVersionMarker) {
        (fullVersionTag, versionMarker, versionBuild, gitSha) = longVersionName.tokenize('-')
    } else {
        (fullVersionTag, versionBuild, gitSha) = longVersionName.tokenize('-')
    }

    def hasVersionBuild = versionBuild.toInteger() > 0
    def (versionMajor, versionMinor, versionPatch) = fullVersionTag.tokenize('.')
    gitSha = (gitSha.startsWith("g") ? gitSha.substring(1) : gitSha);
    versionMajor = (versionMajor.startsWith("v") ? versionMajor.substring(1) : versionMajor );

    versionBuildStr = hasVersionBuild ? ".$versionBuild" : ""
    versionMarkerStr = hasVersionMarker ? "-$versionMarker" : ( hasVersionBuild ? "-NEXT" : "")

    def versionName = "$versionMajor.$versionMinor.${versionPatch}${versionMarkerStr}${versionBuildStr}+$gitSha"
    def versionNameShort = "$versionMajor.$versionMinor.$versionPatch"
    def versionCode = versionMajor.toInteger() * 100000 + versionMinor.toInteger() * 10000 + versionPatch.toInteger() * 1000 + versionBuild.toInteger()

//    println "versionName: " + versionName
//    println "versionNameShort: " + versionNameShort
//    println "versionCode: " + versionCode.toInteger()

//    return ['1.0.5-NEXT.30+481669f', '1.0.5', 105030, 481669f]
    return [versionName, versionNameShort, versionCode.toInteger(), gitSha]
}

ext {
    getVersionInfo = this.&getVersionInfo
}