feature: supports to goto previous revision (not in undo/redo history, but the file itself) in Blame view (#1686)

Signed-off-by: leo <longshuang@msn.cn>
2026-04-23 02:12:25 +08:00 · 2025-10-20 11:56:51 +08:00
parent c40e23d191
commit 56a332f64a
16 changed files with 64 additions and 36 deletions
--- a/src/Resources/Icons.axaml
+++ b/src/Resources/Icons.axaml
@@ -59,6 +59,7 @@
  <StreamGeometry x:Key="Icons.GitFlow.Release">M884 159l-18-18a43 43 0 00-38-12l-235 43a166 166 0 00-101 60L400 349a128 128 0 00-148 47l-120 171a21 21 0 005 29l17 12a128 128 0 00178-32l27-38 124 124-38 27a128 128 0 00-32 178l12 17a21 21 0 0029 5l171-120a128 128 0 0047-148l117-92A166 166 0 00853 431l43-235a43 43 0 00-12-38zm-177 249a64 64 0 110-90 64 64 0 010 90zm-373 312a21 21 0 010 30l-139 139a21 21 0 01-30 0l-30-30a21 21 0 010-30l139-139a21 21 0 0130 0z</StreamGeometry>
  <StreamGeometry x:Key="Icons.GitHub">M525 0C235 0 0 235 0 525c0 232 150 429 359 498 26 5 36-11 36-25 0-12-1-54-1-97-146 31-176-63-176-63-23-61-58-76-58-76-48-32 3-32 3-32 53 3 81 54 81 54 47 80 123 57 153 43 4-34 18-57 33-70-116-12-239-57-239-259 0-57 21-104 54-141-5-13-23-67 5-139 0 0 44-14 144 54 42-11 87-17 131-17s90 6 131 17C756 203 801 217 801 217c29 72 10 126 5 139 34 37 54 83 54 141 0 202-123 246-240 259 19 17 36 48 36 97 0 70-1 127-1 144 0 14 10 30 36 25 209-70 359-266 359-498C1050 235 814 0 525 0z</StreamGeometry>
  <StreamGeometry x:Key="Icons.GitIgnore">M590 74 859 342V876c0 38-31 68-68 68H233c-38 0-68-31-68-68V142c0-38 31-68 68-68h357zm-12 28H233a40 40 0 00-40 38L193 142v734a40 40 0 0038 40L233 916h558a40 40 0 0040-38L831 876V354L578 102zM855 371h-215c-46 0-83-36-84-82l0-2V74h28v213c0 30 24 54 54 55l2 0h215v28zM57 489m28 0 853 0q28 0 28 28l0 284q0 28-28 28l-853 0q-28 0-28-28l0-284q0-28 28-28ZM157 717c15 0 29-6 37-13v-51h-41v22h17v18c-2 2-6 3-10 3-21 0-30-13-30-34 0-21 12-34 28-34 9 0 15 4 20 9l14-17C184 610 172 603 156 603c-29 0-54 21-54 57 0 37 24 56 54 56zM245 711v-108h-34v108h34zm69 0v-86H341V603H262v22h28V711h24zM393 711v-108h-34v108h34zm66 6c15 0 29-6 37-13v-51h-41v22h17v18c-2 2-6 3-10 3-21 0-30-13-30-34 0-21 12-34 28-34 9 0 15 4 20 9l14-17C485 610 474 603 458 603c-29 0-54 21-54 57 0 37 24 56 54 56zm88-6v-36c0-13-2-28-3-40h1l10 24 25 52H603v-108h-23v36c0 13 2 28 3 40h-1l-10-24L548 603H523v108h23zM677 717c30 0 51-22 51-57 0-36-21-56-51-56-30 0-51 20-51 56 0 36 21 57 51 57zm3-23c-16 0-26-12-26-32 0-19 10-31 26-31 16 0 26 11 26 31S696 694 680 694zm93 17v-38h13l21 38H836l-25-43c12-5 19-15 19-31 0-26-20-34-44-34H745v108h27zm16-51H774v-34h15c16 0 25 4 25 16s-9 18-25 18zM922 711v-22h-43v-23h35v-22h-35V625h41V603H853v108h68z</StreamGeometry>
+  <StreamGeometry x:Key="Icons.GotoParent">M727 641c-78 0-142 55-157 128H256V320h251c16 108 108 192 221 192 124 0 224-100 224-224S851 64 727 64c-113 0-205 84-221 192H96c-18 0-32 14-32 32s14 32 32 32h96v482c0 18 14 32 32 32h347c15 73 79 128 157 128 88 0 160-72 160-160s-72-160-160-160zm0 256c-53 0-96-43-96-96s43-96 96-96 96 43 96 96-43 96-96 96z</StreamGeometry>
  <StreamGeometry x:Key="Icons.Grid">M30 271l241 0 0-241-241 0 0 241zM392 271l241 0 0-241-241 0 0 241zM753 30l0 241 241 0 0-241-241 0zM30 632l241 0 0-241-241 0 0 241zM392 632l241 0 0-241-241 0 0 241zM753 632l241 0 0-241-241 0 0 241zM30 994l241 0 0-241-241 0 0 241zM392 994l241 0 0-241-241 0 0 241zM753 994l241 0 0-241-241 0 0 241z</StreamGeometry>
  <StreamGeometry x:Key="Icons.Hash">M566 585l37-146-145 0-37 146 145 0zM1005 297l-32 128q-4 14-18 14l-187 0-37 146 178 0q9 0 14 7 6 8 3 16l-32 128q-3 14-18 14l-187 0-46 187q-4 14-18 14l-128 0q-9 0-15-7-5-7-3-16l45-178-145 0-46 187q-4 14-18 14l-129 0q-9 0-14-7-5-7-3-16l45-178-178 0q-9 0-14-7-5-7-3-16l32-128q4-14 18-14l187 0 37-146-178 0q-9 0-14-7-6-8-3-16l32-128q3-14 18-14l187 0 46-187q4-14 18-14l128 0q9 0 14 7 5 7 3 16l-45 178 145 0 46-187q4-14 18-14l128 0q9 0 14 7 5 7 3 16l-45 178 178 0q9 0 14 7 5 7 3 16z</StreamGeometry>
  <StreamGeometry x:Key="Icons.Head">M0 512M1024 512M512 0M512 1024M955 323q0 23-16 39l-414 414-78 78q-16 16-39 16t-39-16l-78-78-207-207q-16-16-16-39t16-39l78-78q16-16 39-16t39 16l168 169 375-375q16-16 39-16t39 16l78 78q16 16 16 39z</StreamGeometry>
--- a/src/Resources/Locales/de_DE.axaml
+++ b/src/Resources/Locales/de_DE.axaml
@@ -56,7 +56,7 @@
  <x:String x:Key="Text.Bisect.Skip">Überspringen</x:String>
  <x:String x:Key="Text.Bisect.WaitingForRange">Bisecting. Aktuellen Commit als gut oder schlecht markieren und einen anderen auschecken.</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">BLAME WIRD BEI DIESER DATEI NICHT UNTERSTÜTZT!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">BLAME WIRD BEI DIESER DATEI NICHT UNTERSTÜTZT!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Auschecken von ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Mit ${0}$ vergleichen</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Mit Worktree vergleichen</x:String>
--- a/src/Resources/Locales/en_US.axaml
+++ b/src/Resources/Locales/en_US.axaml
@@ -52,7 +52,8 @@
  <x:String x:Key="Text.Bisect.Skip">Skip</x:String>
  <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.BlameTypeNotSupported" xml:space="preserve">BLAME ON THIS FILE IS NOT SUPPORTED!!!</x:String>
+  <x:String x:Key="Text.Blame.BlameOnPreviousRevision" xml:space="preserve">Blame on Previous Revision</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.CompareWithCurrent" xml:space="preserve">Compare with ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Compare with Worktree</x:String>
--- a/src/Resources/Locales/es_ES.axaml
+++ b/src/Resources/Locales/es_ES.axaml
@@ -56,7 +56,7 @@
  <x:String x:Key="Text.Bisect.Skip">Saltar</x:String>
  <x:String x:Key="Text.Bisect.WaitingForRange">Bisecting. Marcar el commit actual como bueno o malo y revisar otro.</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">¡BLAME EN ESTE ARCHIVO NO SOPORTADO!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">¡BLAME EN ESTE ARCHIVO NO SOPORTADO!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Comparar con ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Comparar con Worktree</x:String>
--- a/src/Resources/Locales/fr_FR.axaml
+++ b/src/Resources/Locales/fr_FR.axaml
@@ -41,7 +41,7 @@
  <x:String x:Key="Text.Avatar.Refetch" xml:space="preserve">Rafraîchir</x:String>
  <x:String x:Key="Text.BinaryNotSupported" xml:space="preserve">FICHIER BINAIRE NON SUPPORTÉ !!!</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blâme</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">LE BLÂME SUR CE FICHIER N'EST PAS SUPPORTÉ!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">LE BLÂME SUR CE FICHIER N'EST PAS SUPPORTÉ!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Récupérer ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Comparer avec ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Comparer avec le worktree</x:String>
--- a/src/Resources/Locales/id_ID.axaml
+++ b/src/Resources/Locales/id_ID.axaml
@@ -55,7 +55,7 @@
  <x:String x:Key="Text.Bisect.Skip">Lewati</x:String>
  <x:String x:Key="Text.Bisect.WaitingForRange">Bisect berjalan. Tandai commit saat ini sebagai baik atau buruk dan checkout yang lain.</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">BLAME PADA BERKAS INI TIDAK DIDUKUNG!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">BLAME PADA BERKAS INI TIDAK DIDUKUNG!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Bandingkan dengan ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Bandingkan dengan Worktree</x:String>
--- a/src/Resources/Locales/it_IT.axaml
+++ b/src/Resources/Locales/it_IT.axaml
@@ -55,7 +55,7 @@
  <x:String x:Key="Text.Bisect.Skip" xml:space="preserve">Salta</x:String>
  <x:String x:Key="Text.Bisect.WaitingForRange" xml:space="preserve">Bisecando. Marca il commit corrente come buono o cattivo e fai checkout di un altro.</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Attribuisci</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">L'ATTRIBUZIONE SU QUESTO FILE NON È SUPPORTATA!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">L'ATTRIBUZIONE SU QUESTO FILE NON È SUPPORTATA!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Confronta con ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Confronta con Worktree</x:String>
--- a/src/Resources/Locales/ja_JP.axaml
+++ b/src/Resources/Locales/ja_JP.axaml
@@ -41,7 +41,7 @@
  <x:String x:Key="Text.Avatar.Refetch" xml:space="preserve">更新</x:String>
  <x:String x:Key="Text.BinaryNotSupported" xml:space="preserve">バイナリファイルはサポートされていません!!!</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">BLAMEではこのファイルはサポートされていません!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">BLAMEではこのファイルはサポートされていません!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">${0}$ をチェックアウトする...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">ワークツリーと比較</x:String>
  <x:String x:Key="Text.BranchCM.CopyName" xml:space="preserve">ブランチ名をコピー</x:String>
--- a/src/Resources/Locales/pt_BR.axaml
+++ b/src/Resources/Locales/pt_BR.axaml
@@ -35,7 +35,7 @@
  <x:String x:Key="Text.Avatar.Refetch" xml:space="preserve">Atualizar</x:String>
  <x:String x:Key="Text.BinaryNotSupported" xml:space="preserve">ARQUIVO BINÁRIO NÃO SUPORTADO!!!</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Blame</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">BLAME NESTE ARQUIVO NÃO É SUPORTADO!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">BLAME NESTE ARQUIVO NÃO É SUPORTADO!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Checkout ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Comparar com ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Comparar com Worktree</x:String>
--- a/src/Resources/Locales/ru_RU.axaml
+++ b/src/Resources/Locales/ru_RU.axaml
@@ -56,7 +56,7 @@
  <x:String x:Key="Text.Bisect.Skip">Пропустить</x:String>
  <x:String x:Key="Text.Bisect.WaitingForRange">Раздвоение. Сделать текущую ревизию хорошей или плохой и переключиться на другой.</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Расследование</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">РАССЛЕДОВАНИЕ В ЭТОМ ФАЙЛЕ НЕ ПОДДЕРЖИВАЕТСЯ!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">РАССЛЕДОВАНИЕ В ЭТОМ ФАЙЛЕ НЕ ПОДДЕРЖИВАЕТСЯ!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Переключиться на ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Сравнить с ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Сравнить с рабочим каталогом</x:String>
--- a/src/Resources/Locales/ta_IN.axaml
+++ b/src/Resources/Locales/ta_IN.axaml
@@ -41,7 +41,7 @@
  <x:String x:Key="Text.Avatar.Refetch" xml:space="preserve">புதுப்பி</x:String>
  <x:String x:Key="Text.BinaryNotSupported" xml:space="preserve">இருமம் கோப்பு ஆதரிக்கப்படவில்லை!!!</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">குற்றச்சாட்டு</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">இந்த கோப்பில் குற்றம் சாட்ட ஆதரிக்கப்படவில்லை!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">இந்த கோப்பில் குற்றம் சாட்ட ஆதரிக்கப்படவில்லை!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">${0}$ சரிபார்...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">பணிமரத்துடன் ஒப்பிடுக</x:String>
  <x:String x:Key="Text.BranchCM.CopyName" xml:space="preserve">கிளை பெயரை நகலெடு</x:String>
--- a/src/Resources/Locales/uk_UA.axaml
+++ b/src/Resources/Locales/uk_UA.axaml
@@ -41,7 +41,7 @@
  <x:String x:Key="Text.Avatar.Refetch" xml:space="preserve">Оновити</x:String>
  <x:String x:Key="Text.BinaryNotSupported" xml:space="preserve">БІНАРНИЙ ФАЙЛ НЕ ПІДТРИМУЄТЬСЯ!!!</x:String>
  <x:String x:Key="Text.Blame" xml:space="preserve">Автор рядка</x:String>
-  <x:String x:Key="Text.BlameTypeNotSupported" xml:space="preserve">ПОШУК АВТОРА РЯДКА ДЛЯ ЦЬОГО ФАЙЛУ НЕ ПІДТРИМУЄТЬСЯ!!!</x:String>
+  <x:String x:Key="Text.Blame.TypeNotSupported" xml:space="preserve">ПОШУК АВТОРА РЯДКА ДЛЯ ЦЬОГО ФАЙЛУ НЕ ПІДТРИМУЄТЬСЯ!!!</x:String>
  <x:String x:Key="Text.BranchCM.Checkout" xml:space="preserve">Перейти на ${0}$...</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithCurrent" xml:space="preserve">Порівняти з ${0}$</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">Порівняти з робочим деревом</x:String>
--- a/src/Resources/Locales/zh_CN.axaml
+++ b/src/Resources/Locales/zh_CN.axaml
@@ -56,7 +56,8 @@
  <x:String x:Key="Text.Bisect.Skip">无法判定</x:String>
  <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.BlameTypeNotSupported" xml:space="preserve">选中文件不支持该操作!!!</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.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.CompareWithCurrent" xml:space="preserve">与当前 ${0}$ 比较</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">与本地工作树比较</x:String>
--- a/src/Resources/Locales/zh_TW.axaml
+++ b/src/Resources/Locales/zh_TW.axaml
@@ -56,7 +56,8 @@
  <x:String x:Key="Text.Bisect.Skip">無法確認</x:String>
  <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.BlameTypeNotSupported" xml:space="preserve">所選擇的檔案不支援該操作!</x:String>
+  <x:String x:Key="Text.Blame.BlameOnPreviousRevision" xml:space="preserve">對當前版本的先前版本執行逐行溯源操作。</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.CompareWithCurrent" xml:space="preserve">與目前 ${0}$ 比較</x:String>
  <x:String x:Key="Text.BranchCM.CompareWithWorktree" xml:space="preserve">與本機工作區比較</x:String>
--- a/src/ViewModels/Blame.cs
+++ b/src/ViewModels/Blame.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Text;
 using System.Threading;
 using System.Threading.Tasks;
 using Avalonia.Threading;
@@ -20,6 +21,12 @@ namespace SourceGit.ViewModels
            private set => SetProperty(ref _revision, value);
        }

+        public Models.Commit PrevRevision
+        {
+            get => _prevRevision;
+            private set => SetProperty(ref _prevRevision, value);
+        }
+
        public Models.BlameData Data
        {
            get => _data;
@@ -51,10 +58,10 @@ namespace SourceGit.ViewModels

            FilePath = file;
            Revision = commit;
+            PrevRevision = null;

            _repo = repo;
            _navigationHistory.Add(sha);
-            _commits.Add(sha, commit);
            SetBlameData(sha);
        }

@@ -90,6 +97,14 @@ namespace SourceGit.ViewModels
            NavigateToCommit(_navigationHistory[_navigationActiveIndex], true);
        }

+        public void GotoPrevRevision()
+        {
+            if (_prevRevision == null)
+                return;
+
+            NavigateToCommit(_prevRevision.SHA, false);
+        }
+
        public void NavigateToCommit(string commitSHA, bool isBackOrForward)
        {
            if (Revision.SHA.StartsWith(commitSHA, StringComparison.Ordinal))
@@ -130,28 +145,28 @@ namespace SourceGit.ViewModels
            _cancellationSource = new CancellationTokenSource();
            var token = _cancellationSource.Token;

-            if (_commits.TryGetValue(commitSHA, out var c))
+            Task.Run(async () =>
            {
-                Revision = c;
-            }
-            else
-            {
-                Task.Run(async () =>
-                {
-                    var result = await new Commands.QuerySingleCommit(_repo, commitSHA)
-                        .GetResultAsync()
-                        .ConfigureAwait(false);
+                var argsBuilder = new StringBuilder();
+                argsBuilder
+                    .Append("--date-order -n 2 ")
+                    .Append(commitSHA ?? string.Empty)
+                    .Append(" -- ")
+                    .Append(FilePath.Quoted());

-                    Dispatcher.UIThread.Post(() =>
+                var commits = await new Commands.QueryCommits(_repo, argsBuilder.ToString(), false)
+                    .GetResultAsync()
+                    .ConfigureAwait(false);
+
+                Dispatcher.UIThread.Post(() =>
+                {
+                    if (!token.IsCancellationRequested)
                    {
-                        if (!token.IsCancellationRequested)
-                        {
-                            _commits.Add(commitSHA, result);
-                            Revision = result ?? new Models.Commit() { SHA = commitSHA };
-                        }
-                    });
-                }, token);
-            }
+                        Revision = commits.Count > 0 ? commits[0] : null;
+                        PrevRevision = commits.Count == 2 ? commits[1] : null;
+                    }
+                });
+            });

            Task.Run(async () =>
            {
@@ -169,11 +184,11 @@ namespace SourceGit.ViewModels

        private string _repo;
        private Models.Commit _revision;
+        private Models.Commit _prevRevision;
        private CancellationTokenSource _cancellationSource = null;
        private int _navigationActiveIndex = 0;
        private List<string> _navigationHistory = [];
        private Models.BlameData _data = null;
-        private Dictionary<string, Models.Commit> _commits = new();
        private Dictionary<string, string> _commitMessages = new();
    }
 }
--- a/src/Views/Blame.axaml
+++ b/src/Views/Blame.axaml
@@ -38,7 +38,7 @@

    <!-- File -->
    <Border Grid.Row="1" Padding="8,0" >
-      <Grid ColumnDefinitions="Auto,*,Auto,Auto,400">
+      <Grid ColumnDefinitions="Auto,*,Auto,Auto,400,Auto">
        <Path Grid.Column="0"
              Width="14" Height="14"
              Data="{StaticResource Icons.File}"/>
@@ -76,6 +76,15 @@
                       TextTrimming="CharacterEllipsis"/>
          </Grid>
        </Border>
+
+        <Button Grid.Column="5"
+                Classes="icon_button"
+                IsEnabled="{Binding PrevRevision, Converter={x:Static ObjectConverters.IsNotNull}}"
+                Width="18" Margin="4,0,0,0"
+                Command="{Binding GotoPrevRevision}"
+                ToolTip.Tip="{DynamicResource Text.Blame.BlameOnPreviousRevision}">
+          <Path Width="12" Height="12" Data="{StaticResource Icons.GotoParent}"/>
+        </Button>
      </Grid>
    </Border>

@@ -107,7 +116,7 @@
                  HorizontalAlignment="Center" VerticalAlignment="Center"
                  IsVisible="{Binding IsBinary}">
        <Path Width="64" Height="64" Fill="{DynamicResource Brush.FG2}" Data="{StaticResource Icons.Error}"/>
-        <TextBlock Margin="0,16,0,0" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Foreground="{DynamicResource Brush.FG2}" Text="{DynamicResource Text.BlameTypeNotSupported}"/>
+        <TextBlock Margin="0,16,0,0" FontSize="18" FontWeight="Bold" HorizontalAlignment="Center" Foreground="{DynamicResource Brush.FG2}" Text="{DynamicResource Text.Blame.TypeNotSupported}"/>
      </StackPanel>

      <!-- Loading -->