fix: duplicated repo may be added when scanning repositories on case-insensitive platforms (#2230)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/ViewModels/ScanRepositories.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Globalization;
 using System.IO;
 using System.Threading.Tasks;
 
@@ -95,12 +96,12 @@ public override async Task<bool> Sure()
             foreach (var f in found)
             {
                 var parent = new DirectoryInfo(f).Parent!.FullName.Replace('\\', '/').TrimEnd('/');
-                if (parent.Equals(normalizedRoot, StringComparison.Ordinal))
+                if (parent.Equals(normalizedRoot, StringComparison.OrdinalIgnoreCase))
                 {
                     var node = Preferences.Instance.FindOrAddNodeByRepositoryPath(f, null, false, false);
                     await node.UpdateStatusAsync(false, null);
                 }
-                else if (parent.StartsWith(normalizedRoot, StringComparison.Ordinal))
+                else if (parent.StartsWith(normalizedRoot, StringComparison.OrdinalIgnoreCase))
                 {
                     var relative = parent.Substring(normalizedRoot.Length).TrimStart('/');
                     var group = FindOrCreateGroupRecursive(Preferences.Instance.RepositoryNodes, relative);
@@ -120,7 +121,7 @@ private void GetManagedRepositories(List<RepositoryNode> group, HashSet<string>
             foreach (var node in group)
             {
                 if (node.IsRepository)
-                    repos.Add(node.Id);
+                    repos.Add(OperatingSystem.IsLinux() ? node.Id : node.Id.ToLower(CultureInfo.CurrentCulture));
                 else
                     GetManagedRepositories(node.SubNodes, repos);
             }
@@ -138,7 +139,7 @@ private async Task GetUnmanagedRepositoriesAsync(DirectoryInfo dir, List<string>
                 ProgressDescription = $"Scanning {subdir.FullName}...";
 
                 var normalizedSelf = subdir.FullName.Replace('\\', '/').TrimEnd('/');
-                if (_managed.Contains(normalizedSelf))
+                if (IsManaged(normalizedSelf))
                     continue;
 
                 var gitDir = Path.Combine(subdir.FullName, ".git");
@@ -148,7 +149,7 @@ private async Task GetUnmanagedRepositoriesAsync(DirectoryInfo dir, List<string>
                     if (test.IsSuccess && !string.IsNullOrEmpty(test.StdOut))
                     {
                         var normalized = test.StdOut.Trim().Replace('\\', '/').TrimEnd('/');
-                        if (!_managed.Contains(normalized))
+                        if (!IsManaged(normalized))
                             outs.Add(normalized);
                     }
 
@@ -200,6 +201,14 @@ private RepositoryNode FindOrCreateGroup(List<RepositoryNode> collection, string
             return added;
         }
 
+        private bool IsManaged(string path)
+        {
+            if (OperatingSystem.IsLinux())
+                return _managed.Contains(path);
+
+            return _managed.Contains(path.ToLower(CultureInfo.CurrentCulture));
+        }
+
         private HashSet<string> _managed = new();
         private bool _useCustomDir = false;
         private string _customDir = string.Empty;