RunBuild.cs

public static class RunBuild {

  private readonly static string[] Scenes = new string[] {
    "Assets/Scenes/GameLoader.unity",
    "Assets/Scenes/Main Menu.unity",
    "Assets/Scenes/OpenWorld.unity",
    "Assets/Scenes/Gameplay.unity"
  };

  public static void MakeBuild_CLI() {
    var args = System.Environment.GetCommandLineArgs();
    int optionsMask = -1;
    DateTime dt = new DateTime();
    BuildTarget buildTarget = BuildTarget.NoTarget;
    Branch branch = Branch.Default;
    string tgt = string.Empty;
    for(int i=0; i<args.Length; i++) { 
      if(args[i] == "-options")
        optionsMask = int.Parse(args[i + 1]);

        if (args[i] == "-buildDate")
          dt = new DateTime(long.Parse(args[i + 1]));

          if (args[i] == "-tgt") {
            tgt = args[i + 1];
            
            if (tgt == "WIN") {
              buildTarget = BuildTarget.StandaloneWindows64;
            } else if(tgt == "MAC") {
              buildTarget = BuildTarget.StandaloneOSX;
            } else if(tgt == "MAS") {
              buildTarget = BuildTarget.StandaloneOSX;
            }
          }

          if (args[i] == "-branch")
            branch = (Branch) System.Enum.Parse(typeof(Branch), args[i + 1]);
    }

    MakeOneBuild(dt, optionsMask, branch, buildTarget, tgt == "MAS");
  }

  private static int GetSettingsIndexForAddressables() {
    for (int i = 0; i < AddressableAssetSettingsDefaultObject.Settings.DataBuilders.Count; i++) {
      BuildScriptInherited builder = AddressableAssetSettingsDefaultObject.Settings.DataBuilders[i] as BuildScriptInherited;
      if (builder != null && builder.Name == "Packed Variations") {
        return i;
      }
    }
    Debug.LogError("Could not find Packed Variations builder");
    return -1;
  }

  private static void MakeOneBuild(DateTime buildDate, int optionsMask, Branch branch, BuildTarget target, bool isMacAppStore) {

    // Disable Unity Splash Screen via code (in case it got committed the opposite way)
    PlayerSettings.SplashScreen.showUnityLogo = false;

    // Build Date, Scripting Defines
    PlayerSettings.bundleVersion = BuildDate.ToString(buildDate);
    PlayerSettings.SetScriptingDefineSymbolsForGroup(BuildTargetGroup.Standalone, ScriptingDefines(optionsMask, branch, isMacAppStore));

    // If !DryRun -- DO IT!
    if (!BuildMakerWindow.isProperty(BuildMakerWindow.BProp.DRY_RUN, optionsMask)) {

      // Handle Addressables, which are actually Asset Bundles.
      AddressableAssetSettingsDefaultObject.Settings.ActivePlayerDataBuilderIndex = GetSettingsIndexForAddressables();
      AddressableAssetSettings.BuildPlayerContent();

      // Build it
      BuildPipeline.BuildPlayer(Scenes, FullPathForSingleBuild(buildDate, branch, target, isMacAppStore), target, GetBuildOptions(optionsMask));

      // Copy the Steam Deploy template files over -- on a *PER BRANCH* basis!
      if (!isMacAppStore)
        BuildAppDeployFromTemplate(buildDate, branch);

      // Build Date
      BuildDate.SetBuildInformation(new BuildTimeInfo { BuildDateTime = buildDate }, DirForBuilds(buildDate, branch));
    }
  }

  private static string ScriptingDefines(int mask, Branch branch, bool isMacAppStore) {
    // Handle Options
    string scriptingDefines = DefineForBranch(branch);
    if (BuildMakerWindow.isProperty(BuildMakerWindow.BProp.SteamCheck, mask) == false || isMacAppStore)
      scriptingDefines += ";SKIP_STEAM_CHECK";

    if (BuildMakerWindow.isProperty(BuildMakerWindow.BProp.Cheats, mask))
      scriptingDefines += ";CHEATS";

    scriptingDefines += ";PUBLIC_RELEASE";
    scriptingDefines += ";GPU_INSTANCER";

    if (isMacAppStore)
      scriptingDefines += ";MAC_APP_STORE";

    return scriptingDefines;
  }
  
}