1 files changed, 137 insertions, 0 deletions
diff --git a/Library/PackageCache/com.unity.ide.vscode@1.1.4/Editor/VSCodeDiscovery.cs b/Library/PackageCache/com.unity.ide.vscode@1.1.4/Editor/VSCodeDiscovery.cs
new file mode 100644
index 0000000..609d2cd
--- /dev/null
+++ b/Library/PackageCache/com.unity.ide.vscode@1.1.4/Editor/VSCodeDiscovery.cs
@@ -0,0 +1,137 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Linq;
+using Unity.CodeEditor;
+
+namespace VSCodeEditor
+{
+    public interface IDiscovery
+    {
+        CodeEditor.Installation[] PathCallback();
+    }
+
+    public class VSCodeDiscovery : IDiscovery
+    {
+        List<CodeEditor.Installation> m_Installations;
+
+        public CodeEditor.Installation[] PathCallback()
+        {
+            if (m_Installations == null)
+            {
+                m_Installations = new List<CodeEditor.Installation>();
+                FindInstallationPaths();
+            }
+
+            return m_Installations.ToArray();
+        }
+
+        void FindInstallationPaths()
+        {
+            string[] possiblePaths =
+#if UNITY_EDITOR_OSX
+            {
+                "/Applications/Visual Studio Code.app",
+                "/Applications/Visual Studio Code - Insiders.app"
+            };
+#elif UNITY_EDITOR_WIN
+            {
+                GetProgramFiles() + @"/Microsoft VS Code/bin/code.cmd",
+                GetProgramFiles() + @"/Microsoft VS Code/Code.exe",
+                GetProgramFiles() + @"/Microsoft VS Code Insiders/bin/code-insiders.cmd",
+                GetProgramFiles() + @"/Microsoft VS Code Insiders/Code.exe",
+                GetLocalAppData() + @"/Programs/Microsoft VS Code/bin/code.cmd",
+                GetLocalAppData() + @"/Programs/Microsoft VS Code/Code.exe",
+                GetLocalAppData() + @"/Programs/Microsoft VS Code Insiders/bin/code-insiders.cmd",
+                GetLocalAppData() + @"/Programs/Microsoft VS Code Insiders/Code.exe",
+            };
+#else
+            {
+                "/usr/bin/code",
+                "/bin/code",
+                "/usr/local/bin/code",
+                "/var/lib/flatpak/exports/bin/com.visualstudio.code",
+                "/snap/current/bin/code"
+            };
+#endif
+            var existingPaths = possiblePaths.Where(VSCodeExists).ToList();
+            if (!existingPaths.Any())
+            {
+                return;
+            }
+
+            var lcp = GetLongestCommonPrefix(existingPaths);
+            switch (existingPaths.Count)
+            {
+                case 1:
+                {
+                    var path = existingPaths.First();
+                    m_Installations = new List<CodeEditor.Installation>
+                    {
+                        new CodeEditor.Installation
+                        {
+                            Path = path,
+                            Name = path.Contains("Insiders")
+                                ? "Visual Studio Code Insiders"
+                                : "Visual Studio Code"
+                        }
+                    };
+                    break;
+                }
+                case 2 when existingPaths.Any(path => !(path.Substring(lcp.Length).Contains("/") || path.Substring(lcp.Length).Contains("\\"))):
+                {
+                    goto case 1;
+                }
+                default:
+                {
+                    m_Installations = existingPaths.Select(path => new CodeEditor.Installation
+                    {
+                        Name = $"Visual Studio Code Insiders ({path.Substring(lcp.Length)})",
+                        Path = path
+                    }).ToList();
+
+                    break;
+                }
+            }
+        }
+
+#if UNITY_EDITOR_WIN
+        static string GetProgramFiles()
+        {
+            return Environment.GetEnvironmentVariable("ProgramFiles")?.Replace("\\", "/");
+        }
+
+        static string GetLocalAppData()
+        {
+            return Environment.GetEnvironmentVariable("LOCALAPPDATA")?.Replace("\\", "/");
+        }
+#endif
+
+        static string GetLongestCommonPrefix(List<string> paths)
+        {
+            var baseLength = paths.First().Length;
+            for (var pathIndex = 1; pathIndex < paths.Count; pathIndex++)
+            {
+                baseLength = Math.Min(baseLength, paths[pathIndex].Length);
+                for (var i = 0; i < baseLength; i++)
+                {
+                    if (paths[pathIndex][i] == paths[0][i]) continue;
+
+                    baseLength = i;
+                    break;
+                }
+            }
+
+            return paths[0].Substring(0, baseLength);
+        }
+
+        static bool VSCodeExists(string path)
+        {
+#if UNITY_EDITOR_OSX
+            return System.IO.Directory.Exists(path);
+#else
+            return new FileInfo(path).Exists;
+#endif
+        }
+    }
+}