feature: show commit gpg sign status (#614)

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

src/Commands/QueryCommitSignInfo.cs

@@ -0,0 +1,30 @@
+namespace SourceGit.Commands
+{
+    public class QueryCommitSignInfo : Command
+    {
+        public QueryCommitSignInfo(string repo, string sha)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+
+            var allowedSignersFile = new Config(repo).Get("gpg.ssh.allowedSignersFile");
+            if (string.IsNullOrEmpty(allowedSignersFile))
+                Args = $"-c gpg.ssh.allowedSignersFile=/dev/null show --no-show-signature --pretty=format:\"%G? %GK\" -s {sha}";
+            else
+                Args = $"show --no-show-signature --pretty=format:\"%G? %GK\" -s {sha}";
+        }
+
+        public Models.CommitSignInfo Result()
+        {
+            var rs = ReadToEnd();
+            if (!rs.IsSuccess)
+                return null;
+
+            var raw = rs.StdOut.Trim();
+            if (raw.Length > 1)
+                return new Models.CommitSignInfo() { VerifyResult = raw[0], Key = raw.Substring(2) };
+
+            return null;
+        }
+    }
+}

src/Models/CommitSignInfo.cs

@@ -0,0 +1,58 @@
+using Avalonia.Media;
+
+namespace SourceGit.Models
+{
+    public class CommitSignInfo
+    {
+        public string Key { get; set; } = string.Empty;
+        public char VerifyResult { get; set; } = 'N';
+
+        public IBrush Brush
+        {
+            get
+            {
+                switch (VerifyResult)
+                {
+                    case 'G':
+                    case 'U':
+                        return Brushes.Green;
+                    case 'X':
+                    case 'Y':
+                    case 'R':
+                        return Brushes.DarkOrange;
+                    case 'B':
+                    case 'E':
+                        return Brushes.Red;
+                    default:
+                        return Brushes.Transparent;
+                }
+            }
+        }
+
+        public string ToolTip
+        {
+            get
+            {
+                switch (VerifyResult)
+                {
+                    case 'G':
+                        return $"Good Signature.\n\nKey: {Key}";
+                    case 'B':
+                        return $"Bad Signature.\n\nKey: {Key}";
+                    case 'U':
+                        return $"Good Signature with unknown validity.\n\nKey: {Key}";
+                    case 'X':
+                        return $"Good Signature but has expired.\n\nKey: {Key}";
+                    case 'Y':
+                        return $"Good Signature made by expired key.\n\nKey: {Key}";
+                    case 'R':
+                        return $"Good signature made by a revoked key.\n\nKey: {Key}";
+                    case 'E':
+                        return $"Signature cannot be checked.\n\nKey: {Key}";
+                    default:
+                        return "No signature.";
+                }
+            }
+        }
+    }
+}

src/Resources/Icons.axaml

@@ -121,6 +121,7 @@
   <StreamGeometry x:Key="Icons.Undo">M762 1024C876 818 895 504 448 514V768L64 384l384-384v248c535-14 595 472 314 776z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Unlock">M832 464H332V240c0-31 25-56 56-56h248c31 0 56 25 56 56v68c0 4 4 8 8 8h56c4 0 8-4 8-8v-68c0-71-57-128-128-128H388c-71 0-128 57-128 128v224h-68c-18 0-32 14-32 32v384c0 18 14 32 32 32h640c18 0 32-14 32-32V496c0-18-14-32-32-32zM540 701v53c0 4-4 8-8 8h-40c-4 0-8-4-8-8v-53c-12-9-20-23-20-39 0-27 22-48 48-48s48 22 48 48c0 16-8 30-20 39z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Up">M170 831l343-342L855 831l105-105-448-448L64 726 170 831z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.Verified">M880 128A722 722 0 01555 13a77 77 0 00-85 0 719 719 0 01-325 115c-40 4-71 38-71 80v369c0 246 329 446 439 446 110 0 439-200 439-446V207c0-41-31-76-71-80zM465 692a36 36 0 01-53 0L305 579a42 42 0 010-57 36 36 0 0153 0l80 85L678 353a36 36 0 0153 0 42 42 0 01-0 57L465 692z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Waiting">M812 864h-29V654c0-21-11-40-28-52l-133-88 134-89c18-12 28-31 28-52V164h28c18 0 32-14 32-32s-14-32-32-32H212c-18 0-32 14-32 32s14 32 32 32h30v210c0 21 11 40 28 52l133 88-134 89c-18 12-28 31-28 52V864H212c-18 0-32 14-32 32s14 32 32 32h600c18 0 32-14 32-32s-14-32-32-32zM441 566c18-12 28-31 28-52s-11-40-28-52L306 373V164h414v209l-136 90c-18 12-28 31-28 52 0 21 11 40 28 52l135 89V695c-9-7-20-13-32-19-30-15-93-41-176-41-63 0-125 14-175 38-12 6-22 12-31 18v-36l136-90z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Whitespace">M0 512M1024 512M512 0M512 1024M762 412v100h-500v-100h-150v200h800v-200h-150z</StreamGeometry>
   <StreamGeometry x:Key="Icons.Window.Close">M519 459 222 162a37 37 0 10-52 52l297 297L169 809a37 37 0 1052 52l297-297 297 297a37 37 0 1052-52l-297-297 297-297a37 37 0 10-52-52L519 459z</StreamGeometry>

src/ViewModels/CommitDetail.cs

@@ -45,6 +45,12 @@ namespace SourceGit.ViewModels
             private set => SetProperty(ref _fullMessage, value);
         }
 
+        public Models.CommitSignInfo SignInfo
+        {
+            get => _signInfo;
+            private set => SetProperty(ref _signInfo, value);
+        }
+
         public List<Models.Change> Changes
         {
             get => _changes;
@@ -131,6 +137,7 @@ namespace SourceGit.ViewModels
                 _visibleChanges.Clear();
             if (_selectedChanges != null)
                 _selectedChanges.Clear();
+            _signInfo = null;
             _searchChangeFilter = null;
             _diffContext = null;
             _viewRevisionFileContent = null;
@@ -474,6 +481,7 @@ namespace SourceGit.ViewModels
         {
             _changes = null;
             FullMessage = string.Empty;
+            SignInfo = null;
             Changes = [];
             VisibleChanges = null;
             SelectedChanges = null;
@@ -488,6 +496,12 @@ namespace SourceGit.ViewModels
                 Dispatcher.UIThread.Invoke(() => FullMessage = fullMessage);
             });
 
+            Task.Run(() =>
+            {
+                var signInfo = new Commands.QueryCommitSignInfo(_repo.FullPath, _commit.SHA).Result();
+                Dispatcher.UIThread.Invoke(() => SignInfo = signInfo);
+            });
+
             if (_cancelToken != null)
                 _cancelToken.Requested = true;
 
@@ -637,6 +651,7 @@ namespace SourceGit.ViewModels
         private int _activePageIndex = 0;
         private Models.Commit _commit = null;
         private string _fullMessage = string.Empty;
+        private Models.CommitSignInfo _signInfo = null;
         private List<Models.Change> _changes = null;
         private List<Models.Change> _visibleChanges = null;
         private List<Models.Change> _selectedChanges = null;

src/Views/CommitBaseInfo.axaml

@@ -60,6 +60,22 @@
                        Margin="12,0,4,0" 
                        VerticalAlignment="Center"/>
 
+            <ContentControl Content="{Binding #ThisControl.SignInfo}">
+              <ContentControl.Styles>
+                <Style Selector="ToolTip">
+                  <Setter Property="MaxWidth" Value="800"/>
+                </Style>
+              </ContentControl.Styles>
+              
+              <ContentControl.DataTemplates>
+                <DataTemplate DataType="m:CommitSignInfo">
+                  <Border Width="24" Background="Transparent" ToolTip.Tip="{Binding ToolTip}">
+                    <Path Width="14" Height="14" Data="{StaticResource Icons.Verified}" Fill="{Binding Brush}"/>
+                  </Border>
+                </DataTemplate>
+              </ContentControl.DataTemplates>
+            </ContentControl>
+
             <Button Classes="icon_button" Width="24" Cursor="Hand" Click="OnCopyCommitSHA" ToolTip.Tip="{DynamicResource Text.Copy}">
               <Path Width="12" Height="12" Data="{StaticResource Icons.Copy}"/>
             </Button>

src/Views/CommitBaseInfo.axaml.cs

@@ -17,6 +17,15 @@ namespace SourceGit.Views
             set => SetValue(MessageProperty, value);
         }
 
+        public static readonly StyledProperty<Models.CommitSignInfo> SignInfoProperty =
+            AvaloniaProperty.Register<CommitBaseInfo, Models.CommitSignInfo>(nameof(SignInfo));
+
+        public Models.CommitSignInfo SignInfo
+        {
+            get => GetValue(SignInfoProperty);
+            set => SetValue(SignInfoProperty, value);
+        }
+
         public static readonly StyledProperty<bool> SupportsContainsInProperty =
             AvaloniaProperty.Register<CommitBaseInfo, bool>(nameof(SupportsContainsIn));
 

src/Views/CommitDetail.axaml

@@ -21,6 +21,7 @@
           <!-- Base Information -->
           <v:CommitBaseInfo Content="{Binding Commit}" 
                             Message="{Binding FullMessage}"
+                            SignInfo="{Binding SignInfo}"
                             SupportsContainsIn="True"
                             WebLinks="{Binding WebLinks}"
                             IssueTrackerRules="{Binding IssueTrackerRules}"/>