feature<Remote>: add 'Prune' context menu for remote to prune dead branches without fetching

src/Commands/Remote.cs

@@ -23,6 +23,11 @@ namespace SourceGit.Commands {
             return Exec();
         }
 
+        public bool Prune(string name) {
+            Args = $"remote prune {name}";
+            return Exec();
+        }
+
         public bool SetURL(string name, string url) {
             Args = $"remote set-url {name} {url}";
             return Exec();

src/Resources/Locales/en_US.xaml

@@ -185,10 +185,11 @@
     <sys:String x:Key="Text.BranchCM.CopyName">Copy Branch Name</sys:String>
     <sys:String x:Key="Text.BranchCM.UnsetUpstream">Unset Upstream</sys:String>
 
-    <sys:String x:Key="Text.RemoteCM.Fetch">Fetch '{0}'</sys:String>
-    <sys:String x:Key="Text.RemoteCM.Edit">Edit '{0}'</sys:String>
-    <sys:String x:Key="Text.RemoteCM.Delete">Delete '{0}'</sys:String>
-    <sys:String x:Key="Text.RemoteCM.CopyURL">Copy Remote URL</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Fetch">Fetch ...</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Prune">Prune</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Edit">Edit ...</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Delete">Delete ...</sys:String>
+    <sys:String x:Key="Text.RemoteCM.CopyURL">Copy URL</sys:String>
 
     <sys:String x:Key="Text.CommitCM.Reset">Reset '{0}' to Here</sys:String>
     <sys:String x:Key="Text.CommitCM.Rebase">Rebase '{0}' to Here</sys:String>

src/Resources/Locales/zh_CN.xaml

@@ -184,9 +184,10 @@
     <sys:String x:Key="Text.BranchCM.CopyName">复制分支名</sys:String>
     <sys:String x:Key="Text.BranchCM.UnsetUpstream">取消追踪</sys:String>
 
-    <sys:String x:Key="Text.RemoteCM.Fetch">拉取 '{0}' 更新</sys:String>
-    <sys:String x:Key="Text.RemoteCM.Edit">编辑 '{0}'</sys:String>
-    <sys:String x:Key="Text.RemoteCM.Delete">删除 '{0}'</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Fetch">拉取更新 ...</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Prune">清理远程已删除分支</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Edit">编辑 ...</sys:String>
+    <sys:String x:Key="Text.RemoteCM.Delete">删除 ...</sys:String>
     <sys:String x:Key="Text.RemoteCM.CopyURL">复制远程地址</sys:String>
 
     <sys:String x:Key="Text.CommitCM.Reset">重置 '{0}' 到此处</sys:String>

src/Views/Popups/Prune.xaml

@@ -0,0 +1,10 @@
+<controls:PopupWidget 
+    x:Class="SourceGit.Views.Popups.Prune"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
+    xmlns:controls="clr-namespace:SourceGit.Views.Controls"
+    mc:Ignorable="d" 
+    d:DesignWidth="500" Height="100">
+</controls:PopupWidget>

src/Views/Popups/Prune.xaml.cs

@@ -0,0 +1,30 @@
+using System.Threading.Tasks;
+
+namespace SourceGit.Views.Popups {
+    /// <summary>
+    ///     清理远程已删除分支
+    /// </summary>
+    public partial class Prune : Controls.PopupWidget {
+        private string repo = null;
+        private string remote = null;
+
+        public Prune(string repo, string remote) {
+            this.repo = repo;
+            this.remote = remote;
+            InitializeComponent();
+        }
+
+        public override string GetTitle() {
+            return App.Text("RemoteCM.Prune");
+        }
+
+        public override Task<bool> Start() {
+            return Task.Run(() => {
+                Models.Watcher.SetEnabled(repo, false);
+                var succ = new Commands.Remote(repo).Prune(remote);
+                Models.Watcher.SetEnabled(repo, true);
+                return succ;
+            });
+        }
+    }
+}

src/Views/Widgets/Dashboard.xaml.cs

@@ -745,21 +745,28 @@ namespace SourceGit.Views.Widgets {
 
         private void FillRemoteContextMenu(ContextMenu menu, Models.Remote remote) {
             var fetch = new MenuItem();
-            fetch.Header = App.Text("RemoteCM.Fetch", remote.Name);
+            fetch.Header = App.Text("RemoteCM.Fetch");
             fetch.Click += (o, e) => {
                 new Popups.Fetch(repo, remote.Name).Show();
                 e.Handled = true;
             };
 
+            var prune = new MenuItem();
+            prune.Header = App.Text("RemoteCM.Prune");
+            prune.Click += (o, e) => {
+                new Popups.Prune(repo.Path, remote.Name).ShowAndStart();
+                e.Handled = true;
+            };
+
             var edit = new MenuItem();
-            edit.Header = App.Text("RemoteCM.Edit", remote.Name);
+            edit.Header = App.Text("RemoteCM.Edit");
             edit.Click += (o, e) => {
                 new Popups.Remote(repo, remote).Show();
                 e.Handled = true;
             };
 
             var delete = new MenuItem();
-            delete.Header = App.Text("RemoteCM.Delete", remote.Name);
+            delete.Header = App.Text("RemoteCM.Delete");
             delete.Click += (o, e) => {
                 new Popups.DeleteRemote(repo.Path, remote.Name).Show();
                 e.Handled = true;
@@ -773,6 +780,7 @@ namespace SourceGit.Views.Widgets {
             };
 
             menu.Items.Add(fetch);
+            menu.Items.Add(prune);
             menu.Items.Add(new Separator());
             menu.Items.Add(edit);
             menu.Items.Add(delete);