feature: add option to enable --keep-index option of git stash push command (#610)

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

src/Commands/Stash.cs

@@ -17,17 +17,19 @@ namespace SourceGit.Commands
             return Exec();
         }
 
-        public bool Push(List<Models.Change> changes, string message, bool onlyStaged)
+        public bool Push(List<Models.Change> changes, string message, bool onlyStaged, bool keepIndex)
         {
             var pathsBuilder = new StringBuilder();
 
+            var indexOpts = keepIndex ? "--keep-index" : "";
+
             if (onlyStaged)
             {
                 foreach (var c in changes)
                     pathsBuilder.Append($"\"{c.Path}\" ");
 
                 var paths = pathsBuilder.ToString();
-                Args = $"stash push --staged -m \"{message}\" -- {paths}";
+                Args = $"stash push {indexOpts} --staged -m \"{message}\" -- {paths}";
             }
             else
             {
@@ -53,7 +55,7 @@ namespace SourceGit.Commands
                 }
 
                 var paths = pathsBuilder.ToString();
-                Args = $"stash push -m \"{message}\" -- {paths}";
+                Args = $"stash push {indexOpts} -m \"{message}\" -- {paths}";
             }
 
             return Exec();

src/Resources/Locales/en_US.axaml

@@ -573,6 +573,7 @@
   <x:String x:Key="Text.Start" xml:space="preserve">START</x:String>
   <x:String x:Key="Text.Stash" xml:space="preserve">Stash</x:String>
   <x:String x:Key="Text.Stash.IncludeUntracked" xml:space="preserve">Include untracked files</x:String>
+  <x:String x:Key="Text.Stash.KeepIndex" xml:space="preserve">Keep staged files</x:String>
   <x:String x:Key="Text.Stash.Message" xml:space="preserve">Message:</x:String>
   <x:String x:Key="Text.Stash.Message.Placeholder" xml:space="preserve">Optional. Name of this stash</x:String>
   <x:String x:Key="Text.Stash.OnlyStagedChanges" xml:space="preserve">Only staged changes</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -576,6 +576,7 @@
   <x:String x:Key="Text.Start" xml:space="preserve">开    始</x:String>
   <x:String x:Key="Text.Stash" xml:space="preserve">贮藏(stash)</x:String>
   <x:String x:Key="Text.Stash.IncludeUntracked" xml:space="preserve">包含未跟踪的文件</x:String>
+  <x:String x:Key="Text.Stash.KeepIndex" xml:space="preserve">保留暂存区文件</x:String>
   <x:String x:Key="Text.Stash.Message" xml:space="preserve">信息 ：</x:String>
   <x:String x:Key="Text.Stash.Message.Placeholder" xml:space="preserve">选填，用于命名此贮藏</x:String>
   <x:String x:Key="Text.Stash.OnlyStagedChanges" xml:space="preserve">仅贮藏暂存区的变更</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -576,6 +576,7 @@
   <x:String x:Key="Text.Start" xml:space="preserve">開  始</x:String>
   <x:String x:Key="Text.Stash" xml:space="preserve">擱置變更 (stash)</x:String>
   <x:String x:Key="Text.Stash.IncludeUntracked" xml:space="preserve">包含未追蹤的檔案</x:String>
+  <x:String x:Key="Text.Stash.KeepIndex" xml:space="preserve">保留已暫存的變更</x:String>
   <x:String x:Key="Text.Stash.Message" xml:space="preserve">擱置變更訊息:</x:String>
   <x:String x:Key="Text.Stash.Message.Placeholder" xml:space="preserve">選填，用於命名此擱置變更</x:String>
   <x:String x:Key="Text.Stash.OnlyStagedChanges" xml:space="preserve">僅擱置已暫存的變更</x:String>

src/ViewModels/StashChanges.cs

@@ -28,6 +28,12 @@ namespace SourceGit.ViewModels
             set;
         }
 
+        public bool KeepIndex
+        {
+            get;
+            set;
+        }
+
         public StashChanges(Repository repo, List<Models.Change> changes, bool hasSelectedFiles)
         {
             _repo = repo;
@@ -36,6 +42,7 @@ namespace SourceGit.ViewModels
             HasSelectedFiles = hasSelectedFiles;
             IncludeUntracked = true;
             OnlyStaged = false;
+            KeepIndex = false;
 
             View = new Views.StashChanges() { DataContext = this };
         }
@@ -63,7 +70,7 @@ namespace SourceGit.ViewModels
 
             return Task.Run(() =>
             {
-                var succ = new Commands.Stash(_repo.FullPath).Push(jobs, Message, !HasSelectedFiles && OnlyStaged);
+                var succ = new Commands.Stash(_repo.FullPath).Push(jobs, Message, !HasSelectedFiles && OnlyStaged, KeepIndex);
                 CallUIThread(() =>
                 {
                     _repo.MarkWorkingCopyDirtyManually();

src/Views/StashChanges.axaml

@@ -11,7 +11,7 @@
     <TextBlock FontSize="18"
                Classes="bold"
                Text="{DynamicResource Text.Stash.Title}"/>
-    <Grid Margin="8,16,0,0" RowDefinitions="32,Auto,Auto" ColumnDefinitions="120,*">
+    <Grid Margin="8,16,0,0" RowDefinitions="32,Auto,Auto,32" ColumnDefinitions="120,*">
       <TextBlock Grid.Row="0" Grid.Column="0" 
                  HorizontalAlignment="Right" 
                  Margin="8,0" 
@@ -41,6 +41,11 @@
                 Content="{DynamicResource Text.Stash.OnlyStagedChanges}"
                 IsChecked="{Binding OnlyStaged, Mode=TwoWay}"
                 IsVisible="{Binding !HasSelectedFiles}"/>
+
+      <CheckBox Grid.Row="3" Grid.Column="1"
+                Height="32"
+                Content="{DynamicResource Text.Stash.KeepIndex}"
+                IsChecked="{Binding KeepIndex, Mode=TwoWay}"/>
     </Grid>
   </StackPanel>
 </UserControl>