feat: add "fetch all repositories" action in workspace menu

src/Resources/Locales/en_US.axaml

@@ -1065,6 +1065,7 @@
   <x:String x:Key="Text.WorkingCopy.UseCommitTemplate" xml:space="preserve">Template: ${0}$</x:String>
   <x:String x:Key="Text.Workspace" xml:space="preserve">WORKSPACE: </x:String>
   <x:String x:Key="Text.Workspace.Configure" xml:space="preserve">Configure Workspaces...</x:String>
+  <x:String x:Key="Text.Workspace.FetchAllRepositories" xml:space="preserve">Fetch All Repositories</x:String>
   <x:String x:Key="Text.Worktree" xml:space="preserve">WORKTREE</x:String>
   <x:String x:Key="Text.Worktree.Branch" xml:space="preserve">BRANCH</x:String>
   <x:String x:Key="Text.Worktree.CopyPath" xml:space="preserve">Copy Path</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -1069,6 +1069,7 @@
   <x:String x:Key="Text.WorkingCopy.UseCommitTemplate" xml:space="preserve">模板：${0}$</x:String>
   <x:String x:Key="Text.Workspace" xml:space="preserve">工作区：</x:String>
   <x:String x:Key="Text.Workspace.Configure" xml:space="preserve">配置工作区...</x:String>
+  <x:String x:Key="Text.Workspace.FetchAllRepositories" xml:space="preserve">拉取工作区所有仓库</x:String>
   <x:String x:Key="Text.Worktree" xml:space="preserve">本地工作树</x:String>
   <x:String x:Key="Text.Worktree.Branch" xml:space="preserve">連結分支</x:String>
   <x:String x:Key="Text.Worktree.CopyPath" xml:space="preserve">复制工作树路径</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -1066,6 +1066,7 @@
   <x:String x:Key="Text.WorkingCopy.UseCommitTemplate" xml:space="preserve">範本: ${0}$</x:String>
   <x:String x:Key="Text.Workspace" xml:space="preserve">工作區: </x:String>
   <x:String x:Key="Text.Workspace.Configure" xml:space="preserve">設定工作區...</x:String>
+  <x:String x:Key="Text.Workspace.FetchAllRepositories" xml:space="preserve">提取工作區所有存放庫</x:String>
   <x:String x:Key="Text.Worktree" xml:space="preserve">本機工作樹</x:String>
   <x:String x:Key="Text.Worktree.Branch" xml:space="preserve">分支</x:String>
   <x:String x:Key="Text.Worktree.CopyPath" xml:space="preserve">複製工作樹路徑</x:String>

src/ViewModels/Launcher.cs

@@ -1,6 +1,8 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Text;
+using System.Threading.Tasks;
 
 using Avalonia.Collections;
 using Avalonia.Threading;
@@ -122,6 +124,61 @@ public void CloseAll()
             _ignoreIndexChange = false;
         }
 
+        public async Task FetchAllRepositoriesAsync()
+        {
+            // avoid collection was modified while enumerating.
+            var pages = new List<LauncherPage>();
+            pages.AddRange(Pages);
+
+            var total = 0;
+            var succeeded = 0;
+            var noRemoteNames = new List<string>();
+            var skippedNames = new List<string>();
+            var failedNames = new List<string>();
+
+            foreach (var page in pages)
+            {
+                if (page.Data is not Repository repo)
+                    continue;
+
+                if (repo.Remotes.Count == 0)
+                {
+                    noRemoteNames.Add(page.Node.Name);
+                    continue;
+                }
+
+                total++;
+                var result = await repo.FetchAllRemotesAsync();
+                switch (result.Status)
+                {
+                    case Repository.FetchAllStatus.Succeeded:
+                        succeeded++;
+                        break;
+                    case Repository.FetchAllStatus.Skipped:
+                        skippedNames.Add(page.Node.Name);
+                        total--;
+                        break;
+                    case Repository.FetchAllStatus.Failed:
+                        var remotesInfo = string.Join(", ", result.FailedRemotes);
+                        failedNames.Add($"{page.Node.Name} (remote: {remotesInfo})");
+                        break;
+                }
+            }
+
+            var message = $"Fetched {succeeded}/{total} repositories";
+
+            if (noRemoteNames.Count > 0)
+                message += $"\n{noRemoteNames.Count} repositories skipped (no remote):\n    {string.Join("\n    ", noRemoteNames)}";
+
+            if (skippedNames.Count > 0)
+                message += $"\n{skippedNames.Count} repositories skipped:\n    {string.Join("\n    ", skippedNames)}";
+
+            if (failedNames.Count > 0)
+                message += $"\n{failedNames.Count} repositories failed:\n    {string.Join("\n    ", failedNames)}";
+
+            Models.Notification.Send(null, message, succeeded < total);
+        }
+
         public void SwitchWorkspace(Workspace to)
         {
             if (to == null || to.IsActive)

src/ViewModels/Repository.cs

@@ -650,6 +650,58 @@ public async Task FetchAsync(bool autoStart)
                 ShowPopup(new Fetch(this));
         }
 
+        public enum FetchAllStatus
+        {
+            Succeeded,
+            Failed,
+            Skipped,
+        }
+
+        public class FetchAllRemotesResult
+        {
+            public FetchAllStatus Status { get; set; } = FetchAllStatus.Succeeded;
+            public List<string> FailedRemotes { get; } = new List<string>();
+        }
+
+        public async Task<FetchAllRemotesResult> FetchAllRemotesAsync()
+        {
+            var result = new FetchAllRemotesResult();
+
+            if (IsAutoFetching)
+            {
+                result.Status = FetchAllStatus.Skipped;
+                return result;
+            }
+
+            CommandLog log = null;
+
+            try
+            {
+                IsAutoFetching = true;
+                log = CreateLog("Fetch");
+
+                foreach (var remote in _remotes)
+                {
+                    var succ = await new Commands.Fetch(FullPath, remote).Use(log).ExecAsync();
+                    if (!succ)
+                        result.FailedRemotes.Add(remote.Name);
+                }
+
+                _lastFetchTime = DateTime.Now;
+            }
+            catch
+            {
+                // Ignore all exceptions.
+                result.FailedRemotes.Add("*");
+            }
+
+            IsAutoFetching = false;
+            log?.Complete();
+
+            result.Status = result.FailedRemotes.Count == 0 ? FetchAllStatus.Succeeded : FetchAllStatus.Failed;
+            return result;
+        }
+
         public async Task PullAsync(bool autoStart)
         {
             if (IsBare || !CanCreatePopup())

src/Views/Launcher.axaml.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Linq;
 
 using Avalonia;
 using Avalonia.Controls;
@@ -405,6 +406,19 @@ private void OnOpenWorkspaceMenu(object sender, RoutedEventArgs e)
 
                 menu.Items.Add(new MenuItem() { Header = "-" });
 
+                var hasRepos = launcher.Pages.Any(p => p.Data is ViewModels.Repository);
+
+                var fetchAll = new MenuItem();
+                fetchAll.Header = App.Text("Workspace.FetchAllRepositories");
+                fetchAll.Icon = this.CreateMenuIcon("Icons.Fetch");
+                fetchAll.IsEnabled = hasRepos;
+                fetchAll.Click += async (_, ev) =>
+                {
+                    await launcher.FetchAllRepositoriesAsync();
+                    ev.Handled = true;
+                };
+                menu.Items.Add(fetchAll);
+
                 var configure = new MenuItem();
                 configure.Header = App.Text("Workspace.Configure");
                 configure.Click += async (_, ev) =>