private def buildOld()

in ideaSupport/src/main/scala/org/jetbrains/sbtidea/runIdea/IntellijVMOptionsBuilder.scala [189:251]
56 lines of code
12 McCabe index (conditional complexity)

  private def buildOld(
    @nowarn("cat=deprecation")
    options: IntellijVMOptions,
    quoteValues: Boolean,
    escapeXml: Boolean,
    forTests: Boolean
  ): Seq[String] = {
    import options.*

    val intellijVersion = IntelliJVersionDetector.detectIntellijVersion(intellijDirectory.toFile)

    def OQ(str: String): String =
      if (quoteValues) {
        if (escapeXml) str.xmlQuote else "\"" + str + "\""
      } else str

    val buffer = new mutable.ArrayBuffer[String]()
    buffer ++= defaultOptions

    val jnaFolderName = System.getProperty("os.arch") match {
      case "aarch64" => "aarch64"
      case _ => "amd64" //currently there are only two possible folders in `lib/jna`
    }

    //if the version is not detected, assume as if it's the latest
    if (intellijVersion.forall(_ > Version("223.6160"))) {
      val pty4jFolderPath = (intellijDirectory / "lib/pty4j").toString.replace("\\", "/")
      val jnaFolderPath = (intellijDirectory / "lib/jna" / jnaFolderName).toString.replace("\\", "/")
      buffer += s"-Dpty4j.preferred.native.folder=${OQ(pty4jFolderPath)}"
      buffer += s"-Djna.boot.library.path=${OQ(jnaFolderPath)}"
      buffer += s"-Djna.nounpack=true"
      buffer += s"-Djna.nosys=true"
    }

    buffer += s"-Xms${xms}m"
    buffer += s"-Xmx${xmx}m"
    buffer += s"-XX:ReservedCodeCacheSize=${reservedCodeCacheSize}m"
    buffer += s"-XX:SoftRefLRUPolicyMSPerMB=$softRefLRUPolicyMSPerMB"
    buffer += gc
    buffer += gcOpt
    val (system, config) =
      if (forTests) (ideaHome.resolve("test-system"), ideaHome.resolve("test-config"))
      else (ideaHome.resolve("system"), ideaHome.resolve("config"))
    buffer += s"-Didea.system.path=${OQ(system.toString)}"
    buffer += s"-Didea.config.path=${OQ(config.toString)}"
    val customPlugins = intellijDirectory.resolve(IdeInstallationContext.customPluginsDirName)
    buffer += s"-Didea.plugins.path=${OQ(customPlugins.toString)}"
    buffer += s"-Dplugin.path=${OQ(pluginPath.toString)}"
    if (forTests) {
      buffer += "-Didea.use.core.classloader.for.plugin.path=true"
      buffer += "-Didea.force.use.core.classloader=true"
    }
    if (!forTests)
      buffer += "-Didea.is.internal=true"
    if (debug) {
      val suspendValue = if (suspend) "y" else "n"
      buffer += s"-agentlib:jdwp=transport=dt_socket,server=y,suspend=$suspendValue,address=$debugPort"
    }
    val platformPrefix = platform.platformPrefix
    if (platformPrefix.nonEmpty)
      buffer += s"-Didea.platform.prefix=$platformPrefix"
    buffer
  }