feature: allows to toggle -w option (ignore whitespace changes) while blaming a file (sourcegit-scm#1838)

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

Author: love-linger

src/Commands/Blame.cs

@@ -10,12 +10,19 @@ public partial class Blame : Command
         [GeneratedRegex(@"^\^?([0-9a-f]+)\s+(.*)\s+\((.*)\s+(\d+)\s+[\-\+]?\d+\s+\d+\) (.*)")]
         private static partial Regex REG_FORMAT();
 
-        public Blame(string repo, string file, string revision)
+        public Blame(string repo, string file, string revision, bool ignoreWhitespace)
         {
             WorkingDirectory = repo;
             Context = repo;
-            Args = $"blame -f -t {revision} -- {file.Quoted()}";
             RaiseError = false;
+
+            var builder = new StringBuilder();
+            builder.Append("blame -f -t ");
+            if (ignoreWhitespace)
+                builder.Append("-w ");
+            builder.Append(revision).Append(" -- ").Append(file.Quoted());
+
+            Args = builder.ToString();
         }
 
         public async Task<Models.BlameData> ReadAsync()

src/Resources/Locales/en_US.axaml

@@ -54,6 +54,7 @@
   <x:String x:Key="Text.Bisect.WaitingForRange">Bisecting. Mark current commit as good or bad and checkout another one.</x:String>
   <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
   <x:String x:Key="Text.Blame.BlameOnPreviousRevision" xml:space="preserve">Blame on Previous Revision</x:String>
+  <x:String x:Key="Text.Blame.IgnoreWhitespace">Ignore whitespace changes</x:String>
   <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">BLAME ON THIS FILE IS NOT SUPPORTED!!!</x:String>
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout ${0}$...</x:String>
   <x:String x:Key="Text.BranchCM.CompareTwo" xml:space="preserve">Compare selected 2 branches</x:String>

src/Resources/Locales/zh_CN.axaml

@@ -58,6 +58,7 @@
   <x:String x:Key="Text.Bisect.WaitingForRange">二分定位进行中。请标记当前的提交是 '正确' 还是 '错误'，然后检出另一个提交。</x:String>
   <x:String x:Key="Text.Blame" xml:space="preserve">逐行追溯(blame)</x:String>
   <x:String x:Key="Text.Blame.BlameOnPreviousRevision" xml:space="preserve">对当前版本的前一版本执行逐行追溯操作</x:String>
+  <x:String x:Key="Text.Blame.IgnoreWhitespace">忽略空白符变化</x:String>
   <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">选中文件不支持该操作!!!</x:String>
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">检出(checkout) ${0}$...</x:String>
   <x:String x:Key="Text.BranchCM.CompareTwo" xml:space="preserve">比较选中的 2 个分支</x:String>

src/Resources/Locales/zh_TW.axaml

@@ -58,6 +58,7 @@
   <x:String x:Key="Text.Bisect.WaitingForRange">二分搜尋進行中。請標記目前的提交為「良好」或「錯誤」，然後簽出另一個提交。</x:String>
   <x:String x:Key="Text.Blame" xml:space="preserve">逐行溯源 (blame)</x:String>
   <x:String x:Key="Text.Blame.BlameOnPreviousRevision" xml:space="preserve">對上一個版本執行逐行溯源</x:String>
+  <x:String x:Key="Text.Blame.IgnoreWhitespace">忽略空白符號變化</x:String>
   <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">所選擇的檔案不支援該操作!</x:String>
   <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">簽出 (checkout) ${0}$...</x:String>
   <x:String x:Key="Text.BranchCM.CompareTwo" xml:space="preserve">比較所選的 2 個分支</x:String>

src/ViewModels/Blame.cs

@@ -16,6 +16,16 @@ public string File
             private set => SetProperty(ref _file, value);
         }
 
+        public bool IgnoreWhitespace
+        {
+            get => _ignoreWhitespace;
+            set
+            {
+                if (SetProperty(ref _ignoreWhitespace, value))
+                    SetBlameData(_navigationHistory[0]);
+            }
+        }
+
         public Models.Commit Revision
         {
             get => _revision;
@@ -181,7 +191,7 @@ private void SetBlameData(RevisionInfo rev)
 
             Task.Run(async () =>
             {
-                var result = await new Commands.Blame(_repo, rev.File, rev.SHA)
+                var result = await new Commands.Blame(_repo, rev.File, rev.SHA, _ignoreWhitespace)
                     .ReadAsync()
                     .ConfigureAwait(false);
 
@@ -207,6 +217,7 @@ public RevisionInfo(string file, string sha)
 
         private string _repo;
         private string _file;
+        private bool _ignoreWhitespace = false;
         private Models.Commit _revision;
         private Models.Commit _prevRevision;
         private CancellationTokenSource _cancellationSource = null;

src/Views/Blame.axaml

@@ -12,7 +12,7 @@
                     Icon="/App.ico"
                     Title="{DynamicResource Text.Blame}"
                     MinWidth="1280" MinHeight="720">
-  <Grid RowDefinitions="Auto,24,*">
+  <Grid RowDefinitions="Auto,28,*,36">
     <!-- TitleBar -->
     <Grid Grid.Row="0" Height="28" IsVisible="{Binding !#ThisControl.UseSystemWindowFrame}">
       <!-- Bottom border -->
@@ -80,23 +80,23 @@
         <Button Grid.Column="5"
                 Classes="icon_button"
                 IsEnabled="{Binding PrevRevision, Converter={x:Static ObjectConverters.IsNotNull}}"
-                Width="18" Margin="4,0,0,0"
+                Width="28" Margin="4,0,0,0"
                 Command="{Binding GotoPrevRevision}"
                 ToolTip.Tip="{DynamicResource Text.Blame.BlameOnPreviousRevision}">
-          <Path Width="12" Height="12" Data="{StaticResource Icons.GotoParent}"/>
+          <Path Width="14" Height="14" Data="{StaticResource Icons.GotoParent}"/>
         </Button>
       </Grid>
     </Border>
 
     <!-- Body -->
-    <Grid Grid.Row="2" Background="{DynamicResource Brush.Contents}">
+    <Grid Grid.Row="2">
       <!-- Blame View -->
       <v:BlameTextEditor HorizontalScrollBarVisibility="Auto"
                          VerticalScrollBarVisibility="Auto"
                          Margin="4,0,4,4"
                          BorderBrush="{DynamicResource Brush.Border2}"
                          BorderThickness="1"
-                         Background="Transparent"
+                         Background="{DynamicResource Brush.Contents}"
                          Foreground="{DynamicResource Brush.FG1}"
                          FontFamily="{DynamicResource Fonts.Monospace}"
                          FontSize="{Binding Source={x:Static vm:Preferences.Instance}, Path=EditorFontSize}"
@@ -123,5 +123,12 @@
       <!-- Loading -->
       <v:LoadingIcon Width="48" Height="48" IsVisible="{Binding Data, Converter={x:Static ObjectConverters.IsNull}}"/>
     </Grid>
+
+    <!-- Option -->
+    <Grid Grid.Row="3" Margin="8,0" Height="32" VerticalAlignment="Top">
+      <CheckBox Content="{DynamicResource Text.Blame.IgnoreWhitespace}"
+                IsChecked="{Binding IgnoreWhitespace, Mode=TwoWay}"
+                ToolTip.Tip="-w"/>
+    </Grid>
   </Grid>
 </v:ChromelessWindow>