Added ARM Linux support (#23)

* Ignored .DS_Store

* Add arm64 linux scetool and code to work with it

* added linux scetool for arm

* Left some vestigial code, whoops

.gitignore

@@ -396,3 +396,4 @@ FodyWeavers.xsd
 
 # JetBrains Rider
 *.sln.iml
+.DS_Store

UnionPatcher/OSUtil.cs

@@ -0,0 +1,34 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Runtime.InteropServices;
+
+namespace LBPUnion.UnionPatcher
+{
+    using RuntimeOSPlatform = System.Runtime.InteropServices.OSPlatform;
+
+    public enum OSPlatform
+    {
+        NotSupported,
+        Windows,
+        OSX,
+        Linux,
+    }
+    public class OSUtil
+    {
+        private static IEnumerable
+        <(OSPlatform Platform, RuntimeOSPlatform RuntimePlatform)?> EnumeratePlatforms()
+        {
+            yield return (OSPlatform.Windows, RuntimeOSPlatform.Windows);
+            yield return (OSPlatform.OSX, RuntimeOSPlatform.OSX);
+            yield return (OSPlatform.Linux, RuntimeOSPlatform.Linux);
+        }
+
+        public static OSPlatform GetPlatform()
+        {
+            return EnumeratePlatforms().FirstOrDefault(p
+               => RuntimeInformation.IsOSPlatform(p.Value.RuntimePlatform))?.Platform ?? default;
+        }
+    }
+}
+

UnionPatcher/RemotePatch.cs

@@ -38,44 +38,53 @@ public class RemotePatch
     public static void LaunchSCETool(string args)
     {
         string platformExecutable = "";
-
-        if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
-            platformExecutable = "scetool/win64/scetool.exe";
-        else if (RuntimeInformation.IsOSPlatform(OSPlatform.Linux))
-            platformExecutable = "scetool/linux64/scetool";
-        else if (RuntimeInformation.IsOSPlatform(OSPlatform.OSX))
+        switch (OSUtil.GetPlatform())
         {
-            if (RuntimeInformation.OSArchitecture == Architecture.Arm64) 
-            {
-                platformExecutable = "scetool/macarm64/scetool"; // For Apple Silicon Macs
-            }
-            else
-            {
-                platformExecutable = "scetool/mac64/scetool";
-            }
-        }
-        if (platformExecutable != "")
-        {
-            ProcessStartInfo startInfo = new();
-            startInfo.UseShellExecute = false;
-            startInfo.FileName = Path.GetFullPath(platformExecutable);
-            startInfo.WorkingDirectory = Path.GetFullPath(".");
-            startInfo.Arguments = args;
-            startInfo.RedirectStandardOutput = true;
+            case OSPlatform.Windows:
+                platformExecutable = "scetool/win64/scetool.exe";
+                break;
+            case OSPlatform.Linux:
+                if(RuntimeInformation.ProcessArchitecture == Architecture.X64)
+                {
+                    platformExecutable = "scetool/linux64/scetool";
+                } else if (RuntimeInformation.ProcessArchitecture == Architecture.Arm)
+                {
+                    platformExecutable = "scetool/linuxarm/scetool";
+                } else if (RuntimeInformation.ProcessArchitecture == Architecture.Arm64)
+                {
+                    platformExecutable = "scetool/linuxarm64/scetool";
+                }
+                break;
+            case OSPlatform.OSX:
+                if (RuntimeInformation.OSArchitecture == Architecture.Arm64)
+                {
+                    platformExecutable = "scetool/macarm64/scetool"; // For Apple Silicon Macs
+                }
+                else
+                {
+                    platformExecutable = "scetool/mac64/scetool";
+                }
+                break;
+            default:
+                throw new Exception("Error starting SCETool. Your platform may not be supported yet.");
 
-            Console.WriteLine("\n\n===== START SCETOOL =====\n");
-            using (Process proc = Process.Start(startInfo))
-            {
-                while (!proc.StandardOutput.EndOfStream) Console.WriteLine(proc.StandardOutput.ReadLine());
-                proc.WaitForExit();
-            }
+        }
 
-            Console.WriteLine("\n===== END SCETOOL =====\n\n");
-        }
-        else
+        ProcessStartInfo startInfo = new();
+        startInfo.UseShellExecute = false;
+        startInfo.FileName = Path.GetFullPath(platformExecutable);
+        startInfo.WorkingDirectory = Path.GetFullPath(".");
+        startInfo.Arguments = args;
+        startInfo.RedirectStandardOutput = true;
+
+        Console.WriteLine("\n\n===== START SCETOOL =====\n");
+        using (Process proc = Process.Start(startInfo))
         {
-            throw new Exception("Error starting SCETool. Your platform may not be supported yet.");
+            while (!proc.StandardOutput.EndOfStream) Console.WriteLine(proc.StandardOutput.ReadLine());
+            proc.WaitForExit();
         }
+
+        Console.WriteLine("\n===== END SCETOOL =====\n\n");
     }
 
     public void RevertEBOOT(string ps3ip, string gameID, string serverURL, string user, string pass)