fundownloadCLI():Boolean {

val etag= getBinaryETag()

val conn= remoteBinaryURL.openConnection()asHttpURLConnection

if (settings.headerCommand.isNotBlank()) {

val headersFromHeaderCommand=CoderRestClient.getHeaders(deploymentURL, settings.headerCommand)

for ((key, value)in headersFromHeaderCommand) {

conn.setRequestProperty(key, value)

}

}

if (etag!=null) {

logger.info("Found existing binary at$localBinaryPath; calculated hash as$etag")

conn.setRequestProperty("If-None-Match","\"$etag\"")

privatefunexec(varargargs:String):String {

val stdout=ProcessExecutor()

.command(localBinaryPath.toString(),*args)

.environment("CODER_HEADER_COMMAND", settings.headerCommand)

.exitValues(0)

.readOutput(true)

.execute()