/*--------------------------------------------------------------------------------------------- * Copyright (c) Unity Technologies. * Copyright (c) Microsoft Corporation. All rights reserved. * Licensed under the MIT License. See License.txt in the project root for license information. *--------------------------------------------------------------------------------------------*/ using System; using System.IO; using System.Collections.Generic; using UnityEngine; using System.Diagnostics; using System.Text.RegularExpressions; using System.Linq; namespace Microsoft.Unity.VisualStudio.Editor { internal static class Discovery { public static IEnumerable GetVisualStudioInstallations() { if (VisualStudioEditor.IsWindows) { foreach (var installation in QueryVsWhere()) yield return installation; } if (VisualStudioEditor.IsOSX) { var candidates = Directory.EnumerateDirectories("/Applications", "*.app"); foreach (var candidate in candidates) { if (TryDiscoverInstallation(candidate, out var installation)) yield return installation; } } } private static bool IsCandidateToDiscovery(string path) { if (File.Exists(path) && VisualStudioEditor.IsWindows && Regex.IsMatch(path, "devenv.exe$", RegexOptions.IgnoreCase)) return true; if (Directory.Exists(path) && VisualStudioEditor.IsOSX && Regex.IsMatch(path, "Visual\\s?Studio(?!.*Code.*).*.app$", RegexOptions.IgnoreCase)) return true; return false; } public static bool TryDiscoverInstallation(string editorPath, out VisualStudioInstallation installation) { installation = null; if (string.IsNullOrEmpty(editorPath)) return false; if (!IsCandidateToDiscovery(editorPath)) return false; // On windows we use the executable directly, so we can query extra information var fvi = editorPath; // On Mac we use the .app folder, so we need to access to main assembly if (VisualStudioEditor.IsOSX) fvi = Path.Combine(editorPath, "Contents", "Resources", "lib", "monodevelop", "bin", "VisualStudio.exe"); if (!File.Exists(fvi)) return false; // VS preview are not using the isPrerelease flag so far // On Windows FileDescription contains "Preview", but not on Mac var vi = FileVersionInfo.GetVersionInfo(fvi); var version = new Version(vi.ProductVersion); var isPrerelease = vi.IsPreRelease || string.Concat(editorPath, "/" + vi.FileDescription).ToLower().Contains("preview"); installation = new VisualStudioInstallation() { IsPrerelease = isPrerelease, Name = $"{vi.FileDescription}{(isPrerelease && VisualStudioEditor.IsOSX ? " Preview" : string.Empty)} [{version.ToString(3)}]", Path = editorPath, Version = version }; return true; } #region VsWhere Json Schema #pragma warning disable CS0649 [Serializable] internal class VsWhereResult { public VsWhereEntry[] entries; public static VsWhereResult FromJson(string json) { return JsonUtility.FromJson("{ \"" + nameof(VsWhereResult.entries) + "\": " + json + " }"); } public IEnumerable ToVisualStudioInstallations() { foreach(var entry in entries) { yield return new VisualStudioInstallation() { Name = $"{entry.displayName} [{entry.catalog.productDisplayVersion}]", Path = entry.productPath, IsPrerelease = entry.isPrerelease, Version = Version.Parse(entry.catalog.buildVersion) }; } } } [Serializable] internal class VsWhereEntry { public string displayName; public bool isPrerelease; public string productPath; public VsWhereCatalog catalog; } [Serializable] internal class VsWhereCatalog { public string productDisplayVersion; // non parseable like "16.3.0 Preview 3.0" public string buildVersion; } #pragma warning restore CS3021 #endregion private static IEnumerable QueryVsWhere() { var progpath = FileUtility .FindPackageAssetFullPath("VSWhere a:packages", "vswhere.exe") .FirstOrDefault(); if (string.IsNullOrWhiteSpace(progpath)) return Enumerable.Empty(); var process = new Process { StartInfo = new ProcessStartInfo { FileName = progpath, Arguments = "-prerelease -format json", UseShellExecute = false, CreateNoWindow = true, RedirectStandardOutput = true, RedirectStandardError = true, } }; using (process) { var json = string.Empty; process.OutputDataReceived += (o, e) => json += e.Data; process.Start(); process.BeginOutputReadLine(); process.WaitForExit(); var result = VsWhereResult.FromJson(json); return result.ToVisualStudioInstallations(); } } } }