apps-android-commons/gitutils.gradle

ext.getBuildVersion = { ->
    def stdout = new ByteArrayOutputStream()
    exec {
        commandLine 'git', 'rev-parse', '--short', 'HEAD'
        standardOutput = stdout
    }
    return stdout.toString().trim()
}

ext.getBranchName = { ->
    try {
        def stdOut = new ByteArrayOutputStream()
        exec {
            commandLine 'git', 'rev-parse', '--abbrev-ref', 'HEAD'
            standardOutput = stdOut
        }
        return stdOut.toString().trim()
    } catch (ignored) {
        return null
    }
}