sourcegit-scm · denis-kudelin · Aug 19, 2025
diff --git a/src/Commands/Command.cs b/src/Commands/Command.cs
@@ -36,6 +36,7 @@ public enum EditorType
         public CancellationToken CancellationToken { get; set; } = CancellationToken.None;
         public bool RaiseError { get; set; } = true;
         public Models.ICommandLog Log { get; set; } = null;
+        public Dictionary<string, string> Envs { get; } = new();
 
         public async Task<bool> ExecAsync()
         {
@@ -192,6 +193,9 @@ protected ProcessStartInfo CreateGitStartInfo(bool redirect)
                 start.Environment.Add("LC_ALL", "C");
             }
 
+            foreach (var kv in Envs)
+                start.Environment[kv.Key] = kv.Value;
+
             var builder = new StringBuilder();
             builder
                 .Append("--no-pager -c core.quotepath=off -c credential.helper=")

diff --git a/src/Commands/DiffAll.cs b/src/Commands/DiffAll.cs
@@ -0,0 +1,20 @@
+using System.Threading.Tasks;
+
+namespace SourceGit.Commands
+{
+    public class DiffAll : Command
+    {
+        public DiffAll(string repo, string range)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = $"diff {range}";
+        }
+
+        public async Task<string> GetResultAsync()
+        {
+            var rs = await ReadToEndAsync();
+            return rs.IsSuccess ? rs.StdOut : string.Empty;
+        }
+    }
+}
diff --git a/src/Commands/DiffStat.cs b/src/Commands/DiffStat.cs
@@ -0,0 +1,22 @@
+using System.Threading.Tasks;
+
+namespace SourceGit.Commands
+{
+    public class DiffStat : Command
+    {
+        public DiffStat(string repo, string range)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = $"diff --stat {range}";
+        }
+
+        public async Task<string> GetResultAsync()
+        {
+            var rs = await ReadToEndAsync().ConfigureAwait(false);
+            if (rs.IsSuccess && !string.IsNullOrEmpty(rs.StdOut))
+                return rs.StdOut.Trim();
+            return string.Empty;
+        }
+    }
+}
diff --git a/src/Commands/IsAncestor.cs b/src/Commands/IsAncestor.cs
@@ -0,0 +1,20 @@
+using System.Threading.Tasks;
+
+namespace SourceGit.Commands
+{
+    public class IsAncestor : Command
+    {
+        public IsAncestor(string repo, string ancestor, string descendant)
+        {
+            WorkingDirectory = repo;
+            Context = repo;
+            Args = $"merge-base --is-ancestor {ancestor} {descendant}";
+            RaiseError = false;
+        }
+
+        public bool Test()
+        {
+            return ReadToEnd().IsSuccess;
+        }
+    }
+}
diff --git a/src/Resources/Locales/de_DE.axaml b/src/Resources/Locales/de_DE.axaml
@@ -148,6 +148,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">Umformulieren</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">Als Patch speichern...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">Squash in den Vorgänger</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">Squash hierher erzwingen...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">ÄNDERUNGEN</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">geänderte Datei(en)</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Änderungen durchsuchen...</x:String>
@@ -751,6 +752,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Zum Commit wechseln</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">Squash Commits</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">In:</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">Squash über Merges (Historie glätten)</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">Operation überschreibt die Historie vom gewählten Commit bis HEAD zu einem Commit
+Alle Merge-Commits im Bereich werden entfernt
+Signierte Commits oder Merges verlieren Signaturen
+Anschließend ist ein Force-Push erforderlich
+Schließe oder aktualisiere alle zugehörigen MR/PR</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">Vor dem Überschreiben Sicherungszweig erstellen</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">Lokale Änderungen automatisch stashen</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">Originalautor und -datum des Ziel-Commits beibehalten</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">Nachrichten der gesquashten Commits an den Body anhängen</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">Automatischen Stash anwenden fehlgeschlagen.</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">Historie abgeflacht. Sicherungszweig: {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">Historie abgeflacht.</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">SSH privater Schlüssel:</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">Pfad zum privaten SSH Schlüssel</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">START</x:String>

diff --git a/src/Resources/Locales/en_US.axaml b/src/Resources/Locales/en_US.axaml
@@ -144,6 +144,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">Reword</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">Save as Patch...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">Squash into Parent</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">Force squash to here...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">CHANGES</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">changed file(s)</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Search Changes...</x:String>
@@ -552,6 +553,7 @@
   <x:String x:Key="Text.Preferences.DiffMerge.Type" xml:space="preserve">Tool</x:String>
   <x:String x:Key="Text.Preferences.General" xml:space="preserve">GENERAL</x:String>
   <x:String x:Key="Text.Preferences.General.Check4UpdatesOnStartup" xml:space="preserve">Check for updates on startup</x:String>
+  <x:String x:Key="Text.Preferences.General.EnableDangerousHistoryRewrites" xml:space="preserve">Enable dangerous history rewrites</x:String>
   <x:String x:Key="Text.Preferences.General.DateFormat" xml:space="preserve">Date Format</x:String>
   <x:String x:Key="Text.Preferences.General.Locale" xml:space="preserve">Language</x:String>
   <x:String x:Key="Text.Preferences.General.MaxHistoryCommits" xml:space="preserve">History Commits</x:String>
@@ -746,6 +748,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Go to</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">Squash Commits</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">Into:</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">Squash across merges (flatten history)</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">Operation rewrites history from selected commit to HEAD into one commit
+All merge commits in range will be removed
+Signed commits or merges lose signatures
+Force push is required afterwards
+Close or update any related MR/PR</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">Create safety backup branch before rewrite</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">Auto-stash local changes</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">Keep original author/date of target commit</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">Append messages of squashed commits to body</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">Failed to apply auto stash.</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">History flattened. Backup branch: {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">History flattened.</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">SSH Private Key:</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">Private SSH key store path</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">START</x:String>

diff --git a/src/Resources/Locales/es_ES.axaml b/src/Resources/Locales/es_ES.axaml
@@ -148,6 +148,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">Reescribir</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">Guardar como Parche...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">Squash en Parent</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">Forzar squash aquí...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">CAMBIOS</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Count" xml:space="preserve">archivo(s) modificado(s)</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Buscar Cambios...</x:String>
@@ -750,6 +751,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Ir a</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">Squash Commits</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">En:</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">Squash a través de merges (aplanar historial)</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">La operación reescribe el historial desde el commit seleccionado hasta HEAD en un solo commit
+Todos los commits de merge en el rango serán eliminados
+Los commits o merges firmados pierden sus firmas
+Se requiere un force push después
+Cierra o actualiza cualquier MR/PR relacionado</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">Crear rama de respaldo antes de sobrescribir</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">Guardar automáticamente los cambios locales</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">Conservar autor/fecha originales del commit destino</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">Añadir mensajes de los commits aplastados al cuerpo</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">No se pudo aplicar el auto-stash.</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">Historial aplanado. Rama de respaldo: {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">Historial aplanado.</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">Clave Privada SSH:</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">Ruta de almacenamiento de la clave privada SSH</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">INICIAR</x:String>

diff --git a/src/Resources/Locales/fr_FR.axaml b/src/Resources/Locales/fr_FR.axaml
@@ -108,6 +108,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">Reformuler</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">Enregistrer en tant que patch...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">Squash dans le parent</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">Forcer le squash ici...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">CHANGEMENTS</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Rechercher les changements...</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">FICHIERS</x:String>
@@ -611,6 +612,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Aller à</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">Squash les commits</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">Dans :</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">Squasher à travers les fusions (aplatir l'historique)</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">L'opération réécrit l'historique du commit sélectionné jusqu'à HEAD en un seul commit
+Tous les commits de fusion dans l'intervalle seront supprimés
+Les commits ou fusions signés perdent leurs signatures
+Un push forcé est nécessaire ensuite
+Fermez ou mettez à jour toute MR/PR liée</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">Créer une branche de sauvegarde avant la réécriture</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">Stasher automatiquement les modifications locales</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">Conserver l'auteur/la date originaux du commit cible</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">Ajouter les messages des commits squashés au corps</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">Échec de l'application de l'auto-stash.</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">Historique aplati. Branche de sauvegarde : {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">Historique aplati.</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">Clé privée SSH :</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">Chemin du magasin de clés privées SSH</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">START</x:String>

diff --git a/src/Resources/Locales/it_IT.axaml b/src/Resources/Locales/it_IT.axaml
@@ -119,6 +119,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">Modifica</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">Salva come Patch...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">Compatta nel Genitore</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">Forza squash qui...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">MODIFICHE</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">Cerca Modifiche...</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">FILE</x:String>
@@ -639,6 +640,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Vai a</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">Compatta Commit</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">In:</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">Squash attraverso i merge (appiattisci la cronologia)</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">L'operazione riscrive la cronologia dal commit selezionato a HEAD in un solo commit
+Tutti i commit di merge nell'intervallo saranno rimossi
+I commit o i merge firmati perdono le firme
+È richiesto un force push dopo
+Chiudi o aggiorna qualsiasi MR/PR correlato</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">Crea un ramo di backup prima della riscrittura</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">Esegui auto-stash delle modifiche locali</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">Mantieni autore/data originali del commit di destinazione</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">Aggiungi i messaggi dei commit squasciati al corpo</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">Applicazione dell'auto-stash non riuscita.</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">Cronologia appiattita. Ramo di backup: {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">Cronologia appiattita.</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">Chiave Privata SSH:</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">Percorso per la chiave SSH privata</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">AVVIA</x:String>

diff --git a/src/Resources/Locales/ja_JP.axaml b/src/Resources/Locales/ja_JP.axaml
@@ -107,6 +107,7 @@
   <x:String x:Key="Text.CommitCM.Reword" xml:space="preserve">書き直す</x:String>
   <x:String x:Key="Text.CommitCM.SaveAsPatch" xml:space="preserve">パッチとして保存...</x:String>
   <x:String x:Key="Text.CommitCM.Squash" xml:space="preserve">親にスカッシュ</x:String>
+  <x:String x:Key="Text.CommitCM.ForceSquash" xml:space="preserve">ここに強制スクワッシュ...</x:String>
   <x:String x:Key="Text.CommitDetail.Changes" xml:space="preserve">変更</x:String>
   <x:String x:Key="Text.CommitDetail.Changes.Search" xml:space="preserve">変更を検索...</x:String>
   <x:String x:Key="Text.CommitDetail.Files" xml:space="preserve">ファイル</x:String>
@@ -609,6 +610,19 @@
   <x:String x:Key="Text.SHALinkCM.NavigateTo" xml:space="preserve">Go to</x:String>
   <x:String x:Key="Text.Squash" xml:space="preserve">スカッシュコミット</x:String>
   <x:String x:Key="Text.Squash.Into" xml:space="preserve">宛先:</x:String>
+  <x:String x:Key="Text.ForceSquash.Title" xml:space="preserve">マージをまたいでスクワッシュ（履歴を平坦化）</x:String>
+  <x:String x:Key="Text.ForceSquash.Warn" xml:space="preserve">選択したコミットからHEADまでの履歴を1つのコミットに書き換えます
+範囲内のすべてのマージコミットは削除されます
+署名付きのコミットやマージは署名を失います
+その後は強制プッシュが必要です
+関連するMR/PRを閉じるか更新してください</x:String>
+  <x:String x:Key="Text.ForceSquash.CreateBackup" xml:space="preserve">書き換え前に安全なバックアップブランチを作成</x:String>
+  <x:String x:Key="Text.ForceSquash.AutoStash" xml:space="preserve">ローカル変更を自動でスタッシュ</x:String>
+  <x:String x:Key="Text.ForceSquash.KeepAuthorDate" xml:space="preserve">対象コミットの元の作者/日付を保持</x:String>
+  <x:String x:Key="Text.ForceSquash.AppendMessages" xml:space="preserve">スクワッシュされたコミットのメッセージを本文に追加</x:String>
+  <x:String x:Key="Text.ForceSquash.StashPopFailed" xml:space="preserve">自動スタッシュの適用に失敗しました。</x:String>
+  <x:String x:Key="Text.ForceSquash.Success" xml:space="preserve">履歴を平坦化しました。バックアップブランチ: {0}</x:String>
+  <x:String x:Key="Text.ForceSquash.SuccessNoBackup" xml:space="preserve">履歴を平坦化しました。</x:String>
   <x:String x:Key="Text.SSHKey" xml:space="preserve">SSH プライベートキー:</x:String>
   <x:String x:Key="Text.SSHKey.Placeholder" xml:space="preserve">プライベートSSHキーストアのパス</x:String>
   <x:String x:Key="Text.Start" xml:space="preserve">スタート</x:String>