Android 具有gradle额外属性的Autoincrement VersionCode不适用于Azure Git管道

我正在使用属性文件通过build.gradle自动生成版本号。 在Azure Devops上执行assembleRelease后，不会将对属性文件的更改推送到Git存储库中

private Integer generateBuildNum() {

    File buildNumPropsFile = file('../app/src/main/assets/buildnum.properties')

    if (buildNumPropsFile.canRead()) {
        Properties buildNumProps = new Properties()

        buildNumProps.load(new FileInputStream(buildNumPropsFile))
        return buildNumProps['VERSION_BUILD'].toInteger()
    }
    else {
        throw new GradleException("Could not read buildnum.properties!")
    }

    return null
}

当apk构建在本地计算机上而不是Azure管道上时，属性文件正在工作。如何在Git回购上更新它

private void increaseBuildNum() {

    gradle.taskGraph.whenReady { taskGraph ->
        println taskGraph.hasTask(assembleRelease)

        if (taskGraph.hasTask(assembleRelease)) {
            /* when run release task */
            File buildNumPropsFile = file('../app/src/main/assets/buildnum.properties')

            if (buildNumPropsFile.canRead()) {
                Properties buildNumProps = new Properties()

                buildNumProps.load(new FileInputStream(buildNumPropsFile))

                def build = buildNumProps['VERSION_BUILD'].toInteger() + 1
                if(build != null) {
                    println "*********increaseBuildNum  build: "+build
                }
                buildNumProps['VERSION_BUILD'] = build.toString()
                buildNumProps.store(buildNumPropsFile.newWriter(), null)
                def buildUpdated = buildNumProps['VERSION_BUILD'].toInteger()
            } else {
                throw new GradleException("Could not read buildnum.properties!")
            }
        }
    }
}

android {
    compileSdkVersion 28
    buildToolsVersion "28.0.0"
    defaultConfig {
         .....
        increaseBuildNum()
    }