CopyMethod changes

src/GitHub.Api/GitHub.Api.45.csproj

@@ -93,6 +93,7 @@
     <Compile Include="Application\ApplicationManagerBase.cs" />
     <Compile Include="Helpers\Constants.cs" />
     <Compile Include="Helpers\Validation.cs" />
+    <Compile Include="Installer\CopyHelper.cs" />
     <Compile Include="Installer\GitInstaller.cs" />
     <Compile Include="Installer\OctorunInstaller.cs" />
     <Compile Include="Installer\UnzipTask.cs" />

src/GitHub.Api/GitHub.Api.csproj

@@ -104,6 +104,7 @@
     <Compile Include="Application\ApplicationManagerBase.cs" />
     <Compile Include="Helpers\Constants.cs" />
     <Compile Include="Helpers\Validation.cs" />
+    <Compile Include="Installer\CopyHelper.cs" />
     <Compile Include="Installer\GitInstaller.cs" />
     <Compile Include="Installer\OctorunInstaller.cs" />
     <Compile Include="Installer\UnzipTask.cs" />

src/GitHub.Api/Installer/CopyHelper.cs

@@ -0,0 +1,55 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using GitHub.Logging;
+
+namespace GitHub.Unity
+{
+    public static class CopyHelper
+    {
+        private static readonly ILogging Logger = LogHelper.GetLogger(typeof(CopyHelper));
+
+        public static void Copy(NPath fromPath, NPath toPath)
+        {
+            try
+            {
+
+                CopyFolder(fromPath, toPath);
+            }
+            catch (Exception ex1)
+            {
+                Logger.Warning(ex1, "Error copying from " + fromPath + " to " + toPath + ". Attempting to copy contents.");
+
+                try
+                {
+                    CopyFolderContents(fromPath, toPath);
+                }
+                catch (Exception ex2)
+                {
+                    Logger.Error(ex2, "Error copying from " + fromPath + " to " + toPath + ".");
+                    throw;
+                }
+            }
+            finally
+            {
+                fromPath.DeleteIfExists();
+            }
+        }
+        public static void CopyFolder(NPath fromPath, NPath toPath)
+        {
+            Logger.Trace("CopyFolder fromPath: {0} toPath:{1}", fromPath.ToString(), toPath.ToString());
+
+            toPath.EnsureParentDirectoryExists();
+            fromPath.Move(toPath);
+        }
+
+        public static void CopyFolderContents(NPath fromPath, NPath toPath)
+        {
+            Logger.Trace("CopyFolderContents fromPath: {0} toPath:{1}", fromPath.ToString(), toPath.ToString());
+
+            toPath.DeleteContents();
+            fromPath.MoveFiles(toPath, true);
+        }
+    }
+}

src/GitHub.Api/Installer/GitInstaller.cs

@@ -307,9 +307,7 @@ private GitInstallationState ExtractGit(GitInstallationState state)
                 {
                     Logger.Trace("Moving Git source:{0} target:{1}", source.ToString(), target.ToString());
 
-                    target.DeleteContents();
-                    source.MoveFiles(target, true);
-                    source.Parent.Delete();
+                    CopyHelper.Copy(source, target);
 
                     state.GitIsValid = true;
 
@@ -335,9 +333,7 @@ private GitInstallationState ExtractGit(GitInstallationState state)
                 {
                     Logger.Trace("Moving GitLFS source:{0} target:{1}", source.ToString(), target.ToString());
 
-                    target.DeleteContents();
-                    source.MoveFiles(target, true);
-                    source.Parent.Delete();
+                    CopyHelper.Copy(source, target);
 
                     state.GitLfsIsValid = true;
                 }

src/GitHub.Api/Installer/OctorunInstaller.cs

@@ -55,9 +55,7 @@ private NPath MoveOctorun(NPath fromPath)
 
             Logger.Trace("MoveOctorun fromPath: {0} toPath:{1}", fromPath.ToString(), toPath.ToString());
 
-            toPath.DeleteContents();
-            fromPath.MoveFiles(toPath, true);
-            fromPath.Parent.Delete();
+            CopyHelper.Copy(fromPath, toPath);
 
             return installDetails.ExecutablePath;
         }