Fix package managers for macOS/Linux compatibility

src/UniGetUI.Avalonia/Views/Pages/SettingsPages/PackageManagerPage.axaml.cs

@@ -221,7 +221,7 @@ private void BuildExtraControls(CheckboxCard_Dict disableNotifsCard)
     {
         ExtraControls.Children.Clear();
         var manager = ViewModel.Manager;
-        bool managerHasSources = manager.Capabilities.SupportsCustomSources && manager.Name != "Vcpkg";
+        bool managerHasSources = manager.Capabilities.SupportsCustomSources && manager.Name != "vcpkg";
 
         if (managerHasSources)
         {
@@ -330,7 +330,7 @@ private void BuildExtraControls(CheckboxCard_Dict disableNotifsCard)
                 ExtraControls.Children.Add(chocoSysChoco);
                 break;
 
-            case "Vcpkg":
+            case "vcpkg":
                 disableNotifsCard.CornerRadius = new CornerRadius(8, 8, 0, 0);
                 disableNotifsCard.BorderThickness = new Thickness(1, 1, 1, 0);
                 ExtraControls.Children.Add(disableNotifsCard);
@@ -405,7 +405,8 @@ private ButtonCard BuildVcpkgRootCard()
         descPanel.Children.Add(openBtn);
         vcpkgRootCard.Description = descPanel;
 
-        vcpkgRootCard.Click += (_, _) => ViewModel.PickVcpkgRootCommand.Execute(vcpkgRootCard);
+        vcpkgRootCard.Command = ViewModel.PickVcpkgRootCommand;
+        vcpkgRootCard.CommandParameter = vcpkgRootCard;
         return vcpkgRootCard;
     }
 

src/UniGetUI.PackageEngine.Enums/OverridenInstallationOptions.cs

@@ -6,6 +6,7 @@ public struct OverridenInstallationOptions
     public bool? RunAsAdministrator;
     public bool PowerShell_DoNotSetScopeParameter = false;
     public bool? WinGet_SpecifyVersion = null;
+    public bool Pip_BreakSystemPackages = false;
 
     public OverridenInstallationOptions(string? scope = null, bool? runAsAdministrator = null)
     {
@@ -15,6 +16,6 @@ public OverridenInstallationOptions(string? scope = null, bool? runAsAdministrat
 
     public override string ToString()
     {
-        return $"<Scope={Scope};RunAsAdministrator={RunAsAdministrator};WG_SpecifyVersion={WinGet_SpecifyVersion};PS_NoScope={PowerShell_DoNotSetScopeParameter}>";
+        return $"<Scope={Scope};RunAsAdministrator={RunAsAdministrator};WG_SpecifyVersion={WinGet_SpecifyVersion};PS_NoScope={PowerShell_DoNotSetScopeParameter};Pip_BreakSystemPackages={Pip_BreakSystemPackages}>";
     }
 }

src/UniGetUI.PackageEngine.Managers.Cargo/Cargo.cs

@@ -18,12 +18,16 @@ namespace UniGetUI.PackageEngine.Managers.CargoManager;
 
 public partial class Cargo : PackageManager
 {
-    [GeneratedRegex(@"(\w+)\s=\s""(\d+\.\d+\.\d+)""\s*#\s(.*)")]
+    [GeneratedRegex(@"([\w-]+)\s=\s""(\d+\.\d+\.\d+)""\s*#\s(.*)")]
     private static partial Regex SearchLineRegex();
 
     [GeneratedRegex(@"(.+)v(\d+\.\d+\.\d+)\s*v(\d+\.\d+\.\d+)\s*(Yes|No)")]
     private static partial Regex UpdateLineRegex();
 
+    // Matches "ripgrep v15.1.0:" lines from `cargo install --list`
+    [GeneratedRegex(@"^([\w-]+)\s+v(\d+\.\d+\.\d+):")]
+    private static partial Regex InstallListLineRegex();
+
     public Cargo()
     {
         string cargoCommand = OperatingSystem.IsWindows() ? "cargo.exe" : "cargo";
@@ -126,19 +130,19 @@ protected override IReadOnlyList<Package> FindPackages_UnSafe(string query)
                     package.VersionString
                 );
                 if (versionInfo.bin_names?.Length > 0)
-                {
                     BinPackages.Add(package);
-                }
             }
             catch (Exception ex)
             {
-                logger.AddToStdErr($"{ex.Message}");
+                // On API failure, include the package rather than silently drop it
+                logger.AddToStdErr($"bin_names check failed for {package.Id}: {ex.Message}");
+                BinPackages.Add(package);
             }
 
             if (i + 1 == Packages.Count)
                 break;
-            // Crates.io api requests that we send no more than one request per second
-            Task.Delay(Math.Max(0, 1000 - (int)((DateTime.Now - startTime).TotalMilliseconds)))
+            // Crates.io requires no more than one request per second
+            Task.Delay(Math.Max(0, 1000 - (int)(DateTime.Now - startTime).TotalMilliseconds))
                 .GetAwaiter()
                 .GetResult();
         }
@@ -158,6 +162,9 @@ protected override IReadOnlyList<Package> GetInstalledPackages_UnSafe()
         return GetPackages(LoggableTaskType.ListInstalledPackages);
     }
 
+    public readonly bool HasBinstall =
+        CoreTools.Which(OperatingSystem.IsWindows() ? "cargo-binstall.exe" : "cargo-binstall").Item1;
+
     public override IReadOnlyList<string> FindCandidateExecutableFiles() =>
         CoreTools.WhichMultiple(OperatingSystem.IsWindows() ? "cargo.exe" : "cargo");
 
@@ -183,6 +190,9 @@ protected override void _loadManagerVersion(out string version)
             Logger.Error("cargo version error: " + error);
     }
 
+    public void InvalidateInstalledCache() =>
+        TaskRecycler<List<Match>>.RemoveFromCache(GetInstalledCommandOutput);
+
     private IReadOnlyList<Package> GetPackages(LoggableTaskType taskType)
     {
         List<Package> Packages = [];
@@ -214,13 +224,35 @@ private List<Match> GetInstalledCommandOutput()
             logger.AddToStdOut(line);
             var match = UpdateLineRegex().Match(line);
             if (match.Success)
-            {
                 output.Add(match);
-            }
         }
         logger.AddToStdErr(p.StandardError.ReadToEnd());
         p.WaitForExit();
         logger.Close(p.ExitCode);
+
+        if (output.Count > 0)
+            return output;
+
+        // Fallback: cargo-update is not installed, use the built-in `cargo install --list`.
+        // No latest-version info is available, so updates won't be detected, but the installed
+        // packages list will be populated correctly.
+        using Process fallback = GetProcess(Status.ExecutablePath, "install --list");
+        IProcessTaskLogger fallbackLogger = TaskLogger.CreateNew(LoggableTaskType.OtherTask, fallback);
+        fallbackLogger.AddToStdOut("Falling back to `cargo install --list` (cargo-update not available)");
+        fallback.Start();
+        while ((line = fallback.StandardOutput.ReadLine()) is not null)
+        {
+            fallbackLogger.AddToStdOut(line);
+            var m = InstallListLineRegex().Match(line);
+            if (!m.Success) continue;
+            // Synthesise a match compatible with UpdateLineRegex (same installed and latest version → no update)
+            var fake = UpdateLineRegex().Match($"{m.Groups[1].Value} v{m.Groups[2].Value} v{m.Groups[2].Value} No");
+            if (fake.Success)
+                output.Add(fake);
+        }
+        fallbackLogger.AddToStdErr(fallback.StandardError.ReadToEnd());
+        fallback.WaitForExit();
+        fallbackLogger.Close(fallback.ExitCode);
         return output;
     }
 

src/UniGetUI.PackageEngine.Managers.Cargo/Helpers/CargoPkgOperationHelper.cs

@@ -15,15 +15,23 @@ OperationType operation
     {
         var installVersion = options.Version == string.Empty ? package.VersionString : options.Version;
 
+        bool hasBinstall = ((Cargo)Manager).HasBinstall;
+
         List<string> parameters;
         switch (operation)
         {
             case OperationType.Install:
-                parameters = [Manager.Properties.InstallVerb, "--version", installVersion, package.Id];
+                if (hasBinstall)
+                    parameters = [Manager.Properties.InstallVerb, "--version", installVersion, package.Id];
+                else
+                    parameters = ["install", package.Id, "--version", installVersion];
                 break;
 
             case OperationType.Update:
-                parameters = [Manager.Properties.UpdateVerb, package.Id];
+                if (hasBinstall)
+                    parameters = [Manager.Properties.UpdateVerb, package.Id];
+                else
+                    parameters = ["install", package.Id, "--force"];
                 break;
 
             case OperationType.Uninstall:
@@ -36,13 +44,16 @@ OperationType operation
 
         if (operation is OperationType.Install or OperationType.Update)
         {
-            parameters.Add("--no-confirm");
+            if (hasBinstall)
+            {
+                parameters.Add("--no-confirm");
 
-            if (options.SkipHashCheck)
-                parameters.Add("--skip-signatures");
+                if (options.SkipHashCheck)
+                    parameters.Add("--skip-signatures");
 
-            if (options.CustomInstallLocation != "")
-                parameters.AddRange(["--install-path", options.CustomInstallLocation]);
+                if (options.CustomInstallLocation != "")
+                    parameters.AddRange(["--install-path", options.CustomInstallLocation]);
+            }
         }
 
         parameters.AddRange(
@@ -64,6 +75,11 @@ protected override OperationVeredict _getOperationResult(
         int returnCode
     )
     {
-        return returnCode == 0 ? OperationVeredict.Success : OperationVeredict.Failure;
+        if (returnCode == 0)
+        {
+            ((Cargo)Manager).InvalidateInstalledCache();
+            return OperationVeredict.Success;
+        }
+        return OperationVeredict.Failure;
     }
 }

src/UniGetUI.PackageEngine.Managers.Generic.NuGet/BaseNuGet.cs

@@ -14,6 +14,13 @@ namespace UniGetUI.PackageEngine.Managers.PowerShellManager
 {
     public abstract class BaseNuGet : PackageManager
     {
+        /// <summary>
+        /// When true, searches use Packages()?$filter=substringof(query,Id) which searches by
+        /// package name only but returns reliable results (e.g. PSGallery's Search() endpoint
+        /// silently omits some packages). When false, the standard Search() endpoint is used
+        /// which supports full-text search across name, description, and tags.
+        /// </summary>
+        protected virtual bool UseSubstringSearch => false;
         public static Dictionary<long, string> Manifests = new();
 
         public sealed override void Initialize()
@@ -71,17 +78,26 @@ protected sealed override IReadOnlyList<Package> FindPackages_UnSafe(string quer
             {
                 try
                 {
-                    Uri? SearchUrl = new(
-                        $"{source.Url}/Search()"
-                            + $"?$filter=IsLatestVersion"
-                            + $"&$orderby=Id&searchTerm='{HttpUtility.UrlEncode(query)}'"
-                            + $"&targetFramework=''"
-                            + $"&includePrerelease={(canPrerelease ? "true" : "false")}"
-                            + $"&$skip=0"
-                            + $"&$top=50"
-                            + $"&semVerLevel=2.0.0"
-                    );
-                    // Uri SearchUrl = new($"{source.Url}/Search()?$filter=IsLatestVersion&searchTerm=%27{HttpUtility.UrlEncode(query)}%27&targetFramework=%27%27&includePrerelease=false");
+                    string versionFilter = canPrerelease ? "IsAbsoluteLatestVersion eq true" : "IsLatestVersion eq true";
+                    string odataQuery = HttpUtility.UrlEncode(query.Replace("'", "''"));
+                    Uri? SearchUrl = UseSubstringSearch
+                        ? new Uri(
+                            $"{source.Url}/Packages()"
+                                + $"?$filter=substringof('{odataQuery}',Id) and {versionFilter}"
+                                + $"&$orderby=DownloadCount desc"
+                                + $"&$skip=0"
+                                + $"&$top=50"
+                        )
+                        : new Uri(
+                            $"{source.Url}/Search()"
+                                + $"?$filter=IsLatestVersion"
+                                + $"&$orderby=Id&searchTerm='{odataQuery}'"
+                                + $"&targetFramework=''"
+                                + $"&includePrerelease={(canPrerelease ? "true" : "false")}"
+                                + $"&$skip=0"
+                                + $"&$top=50"
+                                + $"&semVerLevel=2.0.0"
+                        );
                     logger.Log($"Begin package search with url={SearchUrl} on manager {Name}");
                     Dictionary<string, SearchResult> AlreadyProcessedPackages = [];
 

src/UniGetUI.PackageEngine.Managers.Pip/Helpers/PipPkgOperationHelper.cs

@@ -52,6 +52,9 @@ package.OverridenOptions.Scope is null
                 parameters.Add("--user");
         }
 
+        if (package.OverridenOptions.Pip_BreakSystemPackages)
+            parameters.Add("--break-system-packages");
+
         parameters.Add(Pip.GetProxyArgument());
 
         parameters.AddRange(
@@ -80,6 +83,12 @@ int returnCode
 
         string output_string = string.Join("\n", processOutput);
 
+        if (output_string.Contains("externally-managed-environment") && !package.OverridenOptions.Pip_BreakSystemPackages)
+        {
+            package.OverridenOptions.Pip_BreakSystemPackages = true;
+            return OperationVeredict.AutoRetry;
+        }
+
         if (output_string.Contains("--user") && package.OverridenOptions.Scope != PackageScope.User)
         {
             package.OverridenOptions.Scope = PackageScope.User;