Merge pull request #428 from Squirrel/release-info

Add local version information as query string to URL
Squirrel · Sep 4, 2015 · 6ecddc4 · 6ecddc4
2 parents b732b80 + a256f8c
commit 6ecddc4
Showing 1 changed file with 14 additions and 1 deletion.
diff --git a/src/Squirrel/UpdateManager.CheckForUpdates.cs b/src/Squirrel/UpdateManager.CheckForUpdates.cs
@@ -44,6 +44,10 @@ public async Task<UpdateInfo> CheckForUpdate(
 
                 string releaseFile;
 
+                var latestLocalRelease = localReleases.Count() > 0 ? 
+                    localReleases.MaxBy(x => x.Version).First() : 
+                    default(ReleaseEntry);
+
                 // Fetch the remote RELEASES file, whether it's a local dir or an 
                 // HTTP URL
                 if (Utility.IsHttpUrl(updateUrlOrPath)) {
@@ -58,7 +62,16 @@ public async Task<UpdateInfo> CheckForUpdate(
                 retry:
 
                     try {
-                        var data = await urlDownloader.DownloadUrl(String.Format("{0}/{1}", updateUrlOrPath, "RELEASES"));
+                        var url = String.Format("{0}/{1}", updateUrlOrPath, "RELEASES");
+                        if (latestLocalRelease != null) { 
+                            url = String.Format("{0}/RELEASES?id={1}&localVersion={2}&arch={3}", 
+                                updateUrlOrPath, 
+                                Uri.EscapeUriString(latestLocalRelease.PackageName), 
+                                Uri.EscapeUriString(latestLocalRelease.Version.ToString()),
+                                Environment.Is64BitOperatingSystem ? "amd64" : "x86");
+                        }
+
+                        var data = await urlDownloader.DownloadUrl(url);
                         releaseFile = Encoding.UTF8.GetString(data);
                     } catch (WebException ex) {
                         this.Log().InfoException("Download resulted in WebException (returning blank release list)", ex);