Add -force-depot command line parameter to force attempted download of a particular depot in an app.

This allows UGC depots to be downloaded, as they are not listed in the PICS configuration.

DepotDownloader/ContentDownloader.cs

@@ -320,7 +320,7 @@ namespace DepotDownloader
             steam3.Disconnect();
         }
 
-        public static void DownloadApp(uint appId, uint depotId, string branch)
+        public static void DownloadApp(uint appId, uint depotId, string branch, bool forceDepot = false)
         {
             if(steam3 != null)
                 steam3.RequestAppInfo(appId);
@@ -335,6 +335,13 @@ namespace DepotDownloader
             var depotIDs = new List<uint>();
             KeyValue depots = GetSteam3AppSection(appId, EAppInfoSection.Depots);
 
+
+            if (forceDepot)
+            {
+                depotIDs.Add(depotId);
+            }
+            else
+            {
                 if (depots != null)
                 {
                     foreach (var depotSection in depots.Children)
@@ -363,7 +370,6 @@ namespace DepotDownloader
                         depotIDs.Add(id);
                     }
                 }
-
                 if (depotIDs == null || (depotIDs.Count == 0 && depotId == INVALID_DEPOT_ID))
                 {
                     Console.WriteLine("Couldn't find any depots to download for app {0}", appId);
@@ -379,6 +385,7 @@ namespace DepotDownloader
                     Console.WriteLine();
                     return;
                 }
+            }
 
             var infos = new List<DepotDownloadInfo>();
 

DepotDownloader/Program.cs

@@ -93,6 +93,7 @@ namespace DepotDownloader
             ContentDownloader.Config.MaxServers = GetParameter<int>(args, "-max-servers", 8);
             ContentDownloader.Config.MaxDownloads = GetParameter<int>(args, "-max-downloads", 4);
             string branch = GetParameter<string>(args, "-branch") ?? GetParameter<string>(args, "-beta") ?? "Public";
+            var forceDepot = HasParameter(args, "-force-depot");
 
             ContentDownloader.Config.MaxServers = Math.Max(ContentDownloader.Config.MaxServers, ContentDownloader.Config.MaxDownloads);
 
@@ -108,7 +109,7 @@ namespace DepotDownloader
             }
 
             ContentDownloader.InitializeSteam3(username, password);
-            ContentDownloader.DownloadApp(appId, depotId, branch);
+            ContentDownloader.DownloadApp(appId, depotId, branch, forceDepot);
             ContentDownloader.ShutdownSteam3();
         }