Bugs fixes

src/Assets/Scripts/Patcher/Patcher.cs

@@ -288,6 +288,12 @@ private void DownloadVersionDiff(int version, ProgressTracker progressTracker, A
 
                 foreach (var removedFile in diffSummary.RemovedFiles)
                 {
+                    // Skip directories
+                    if (removedFile.EndsWith("/"))
+                    {
+                        continue;
+                    }
+
                     LogInfo(string.Format("Deleting file {0}", removedFile));
 
                     _patcherData.ClearFile(removedFile);
@@ -297,6 +303,23 @@ private void DownloadVersionDiff(int version, ProgressTracker progressTracker, A
                     patchProgress.Progress = (float)doneFilesCount/totalFilesCount;
                 }
 
+                foreach (var removedFile in diffSummary.RemovedFiles)
+                {
+                    if (removedFile.EndsWith("/"))
+                    {
+                        LogInfo(string.Format("Trying to clear directory {0}", removedFile));
+
+                        if (_patcherData.TryClearDirectory(removedFile))
+                        {
+                            LogInfo(string.Format("Succesfuly cleared directory {0}", removedFile));
+                        }
+                        else
+                        {
+                            LogInfo(string.Format("Unable to clear directory {0}", removedFile));
+                        }
+                    }
+                }
+
                 foreach (var addedFile in diffSummary.AddedFiles)
                 {
                     LogInfo(string.Format("Adding file {0}", addedFile));
@@ -317,12 +340,17 @@ private void DownloadVersionDiff(int version, ProgressTracker progressTracker, A
 
                     string sourceFilePath = Path.Combine(diffDirectoryPath, addedFile);
 
-                    if (Directory.Exists(sourceFilePath))
+                    string destinationFilePath = _patcherData.GetFilePath(addedFile);
+
+                    string destinationDirPath = Path.GetDirectoryName(destinationFilePath);
+
+                    // ReSharper disable once AssignNullToNotNullAttribute
+                    if (!Directory.Exists(destinationDirPath))
                     {
-                        continue;
+                        Directory.CreateDirectory(destinationDirPath);
                     }
 
-                    File.Copy(sourceFilePath, _patcherData.GetFilePath(addedFile), true);
+                    File.Copy(sourceFilePath, destinationFilePath, true);
 
                     _patcherData.Cache.SetFileVersion(addedFile, version);
 

src/Assets/Scripts/Patcher/PatcherApplication.cs

@@ -39,7 +39,7 @@ public void StartApplication()
                     {
                         foreach(var file in executableApp.GetFiles("*", SearchOption.AllDirectories))
                         {
-                            Chmod(file.FullName, "a+x");
+                            Chmod(file.FullName, "+x");
                         }
                     }
                     catch (Exception exception)
@@ -51,7 +51,41 @@ public void StartApplication()
                     processStartInfo.Arguments = string.Format("\"{0}\"", executableApp.FullName);
                 }
             }
-            else
+            else if (Application.platform == RuntimePlatform.LinuxPlayer)
+            {
+                var executableFile = directoryInfo.GetDirectories("*", SearchOption.TopDirectoryOnly).Where(info =>
+                {
+                    // Read magic bytes
+                    using (FileStream executableFileStream = File.OpenRead(info.FullName))
+                    {
+                        using (BinaryReader executableBinaryReader = new BinaryReader(executableFileStream))
+                        {
+                            byte[] magicBytes = executableBinaryReader.ReadBytes(4);
+
+                            if (magicBytes.Length == 4)
+                            {
+                                if (magicBytes[0] == 127 && // 7F
+                                    magicBytes[1] == 69  && // 45 - 'E'
+                                    magicBytes[2] == 76  && // 4c - 'L'
+                                    magicBytes[3] == 70)    // 46 - 'F'
+                                {
+                                    return true;
+                                }
+                            }
+                        }
+                    }
+
+                    return false;
+                }).FirstOrDefault();
+
+                if (executableFile != null)
+                {
+                    Chmod(executableFile.FullName, "+x");
+                    processStartInfo.FileName = executableFile.FullName;
+                }
+            }
+            else if (Application.platform == RuntimePlatform.WindowsEditor ||
+                    Application.platform == RuntimePlatform.WindowsPlayer)
             {
                 var executableFile = directoryInfo.GetFiles("*.exe", SearchOption.TopDirectoryOnly).FirstOrDefault();
 

src/Assets/Scripts/Patcher/PatcherData.cs

@@ -110,6 +110,30 @@ public void ClearFile(string fileName)
             Cache.ClearFileVersion(fileName);
         }
 
+        /// <summary>
+        /// Deletes directory if it's possible.
+        /// </summary>
+        public bool TryClearDirectory(string directoryName)
+        {
+            string directoryPath = System.IO.Path.Combine(Path, directoryName);
+
+            if (Directory.Exists(directoryPath))
+            {
+                DirectoryInfo directoryInfo = new DirectoryInfo(directoryPath);
+
+                if (directoryInfo.GetFiles("*", SearchOption.AllDirectories).Length == 0)
+                {
+                    Directory.Delete(directoryPath, true);
+                }
+                else
+                {
+                    return false;
+                }
+            }
+
+            return true;
+        }
+
         /// <summary>
         /// Returns absolute path to specified file (placed in local data).
         /// </summary>

src/Assets/Scripts/Patcher/UI/ChangelogList.cs

@@ -1,4 +1,5 @@
 using System.Collections;
+using System.Linq;
 using PatchKit.Api;
 using PatchKit.Unity.Api;
 using PatchKit.Unity.UI;
@@ -27,7 +28,7 @@ protected override IEnumerator RefreshCoroutine()
 
             var versions = ApiConnectionInstance.Instance.EndGetAppVersionList(request);
 
-            foreach (var version in versions)
+            foreach (var version in versions.OrderByDescending(version => version.Id))
             {
                 CreateVersionChangelog(version);
             }