Support setting the similarity threshold for detecting renames

26 files changed, 909 insertions, 618 deletions

diff --git a/docs/Config.md b/docs/Config.md
index 03501e8c2..be579ae8b 100644
--- a/docs/Config.md
+++ b/docs/Config.md
@@ -521,6 +521,8 @@ keybinding:
     toggleWhitespaceInDiffView: <c-w>
     increaseContextInDiffView: '}'
     decreaseContextInDiffView: '{'
+    increaseRenameSimilarityThreshold: )
+    decreaseRenameSimilarityThreshold: (
     openDiffTool: <c-t>
   status:
     checkForUpdate: u
diff --git a/docs/keybindings/Keybindings_en.md b/docs/keybindings/Keybindings_en.md
index eb88cb182..47ae9cfb5 100644
--- a/docs/keybindings/Keybindings_en.md
+++ b/docs/keybindings/Keybindings_en.md
@@ -14,6 +14,8 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
 | `` @ `` | View command log options | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | Push | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | Pull | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Increase diff context size | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | Decrease diff context size | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | Execute custom command | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_ja.md b/docs/keybindings/Keybindings_ja.md
index 9a146261b..d72096f62 100644
--- a/docs/keybindings/Keybindings_ja.md
+++ b/docs/keybindings/Keybindings_ja.md
@@ -14,6 +14,8 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
 | `` @ `` | コマンドログメニューを開く | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | Push | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | Pull | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Increase diff context size | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | Decrease diff context size | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | カスタムコマンドを実行 | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_ko.md b/docs/keybindings/Keybindings_ko.md
index 289f6931f..7c4e9c9f4 100644
--- a/docs/keybindings/Keybindings_ko.md
+++ b/docs/keybindings/Keybindings_ko.md
@@ -14,6 +14,8 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
 | `` @ `` | 명령어 로그 메뉴 열기 | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | 푸시 | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | 업데이트 | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Diff 보기의 변경 사항 주위에 표시되는 컨텍스트의 크기를 늘리기 | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | Diff 보기의 변경 사항 주위에 표시되는 컨텍스트 크기 줄이기 | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | Execute custom command | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_nl.md b/docs/keybindings/Keybindings_nl.md
index 03bf0214c..60cbf54e9 100644
--- a/docs/keybindings/Keybindings_nl.md
+++ b/docs/keybindings/Keybindings_nl.md
@@ -14,6 +14,8 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
 | `` @ `` | View command log options | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | Push | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | Pull | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Increase diff context size | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | Decrease diff context size | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | Voer aangepaste commando uit | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_pl.md b/docs/keybindings/Keybindings_pl.md
index 0336419c1..7d2d7e561 100644
--- a/docs/keybindings/Keybindings_pl.md
+++ b/docs/keybindings/Keybindings_pl.md
@@ -14,6 +14,8 @@ _Legenda: `<c-b>` oznacza ctrl+b, `<a-b>` oznacza alt+b, `B` oznacza shift+b_
 | `` @ `` | Pokaż opcje dziennika poleceń | Pokaż opcje dla dziennika poleceń, np. pokazywanie/ukrywanie dziennika poleceń i skupienie na dzienniku poleceń. |
 | `` P `` | Wypchnij | Wypchnij bieżącą gałąź do jej gałęzi nadrzędnej. Jeśli nie skonfigurowano gałęzi nadrzędnej, zostaniesz poproszony o skonfigurowanie gałęzi nadrzędnej. |
 | `` p `` | Pociągnij | Pociągnij zmiany z zdalnego dla bieżącej gałęzi. Jeśli nie skonfigurowano gałęzi nadrzędnej, zostaniesz poproszony o skonfigurowanie gałęzi nadrzędnej. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Zwiększ rozmiar kontekstu w widoku różnic | Zwiększ ilość kontekstu pokazywanego wokół zmian w widoku różnic. |
 | `` { `` | Zmniejsz rozmiar kontekstu w widoku różnic | Zmniejsz ilość kontekstu pokazywanego wokół zmian w widoku różnic. |
 | `` : `` | Wykonaj polecenie niestandardowe | Wyświetl monit, w którym możesz wprowadzić polecenie powłoki do wykonania. Nie należy mylić z wcześniej skonfigurowanymi poleceniami niestandardowymi. |
diff --git a/docs/keybindings/Keybindings_ru.md b/docs/keybindings/Keybindings_ru.md
index c6a784b72..ab49f2ab3 100644
--- a/docs/keybindings/Keybindings_ru.md
+++ b/docs/keybindings/Keybindings_ru.md
@@ -14,6 +14,8 @@ _Связки клавиш_
 | `` @ `` | Открыть меню журнала команд | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | Отправить изменения | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | Получить и слить изменения | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | Увеличить размер контекста, отображаемого вокруг изменений в просмотрщике сравнении | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | Уменьшите размер контекста, отображаемого вокруг изменений в просмотрщике сравнении | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | Выполнить пользовательскую команду | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_zh-CN.md b/docs/keybindings/Keybindings_zh-CN.md
index 8cb93e519..c91cdc8e8 100644
--- a/docs/keybindings/Keybindings_zh-CN.md
+++ b/docs/keybindings/Keybindings_zh-CN.md
@@ -14,6 +14,8 @@ _Legend: `<c-b>` means ctrl+b, `<a-b>` means alt+b, `B` means shift+b_
 | `` @ `` | 打开命令日志菜单 | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | 推送 | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | 拉取 | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | 扩大差异视图中显示的上下文范围 | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | 缩小差异视图中显示的上下文范围 | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | 执行自定义命令 | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/docs/keybindings/Keybindings_zh-TW.md b/docs/keybindings/Keybindings_zh-TW.md
index d82e3361d..dccba00dc 100644
--- a/docs/keybindings/Keybindings_zh-TW.md
+++ b/docs/keybindings/Keybindings_zh-TW.md
@@ -14,6 +14,8 @@ _說明：`<c-b>` 表示 Ctrl＋B、`<a-b>` 表示 Alt＋B，`B`表示 Shift＋B
 | `` @ `` | 開啟命令記錄選單 | View options for the command log e.g. show/hide the command log and focus the command log. |
 | `` P `` | 推送 | Push the current branch to its upstream branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
 | `` p `` | 拉取 | Pull changes from the remote for the current branch. If no upstream is configured, you will be prompted to configure an upstream branch. |
+| `` ) `` | Increase rename similarity threshold | Increase the similarity threshold for a deletion and addition pair to be treated as a rename. |
+| `` ( `` | Decrease rename similarity threshold | Decrease the similarity threshold for a deletion and addition pair to be treated as a rename. |
 | `` } `` | 增加差異檢視中顯示變更周圍上下文的大小 | Increase the amount of the context shown around changes in the diff view. |
 | `` { `` | 減小差異檢視中顯示變更周圍上下文的大小 | Decrease the amount of the context shown around changes in the diff view. |
 | `` : `` | 執行自訂命令 | Bring up a prompt where you can enter a shell command to execute. Not to be confused with pre-configured custom commands. |
diff --git a/pkg/commands/git_commands/commit.go b/pkg/commands/git_commands/commit.go
index 517be276e..4153dfeb9 100644
--- a/pkg/commands/git_commands/commit.go
+++ b/pkg/commands/git_commands/commit.go
@@ -271,6 +271,7 @@ func (self *CommitCommands) ShowCmdObj(hash string, filterPath string) oscommand
 		Arg("-p").
 		Arg(hash).
 		ArgIf(self.AppState.IgnoreWhitespaceInDiffView, "--ignore-all-space").
+		Arg(fmt.Sprintf("--find-renames=%d%%", self.AppState.RenameSimilarityThreshold)).
 		ArgIf(filterPath != "", "--", filterPath).
 		Dir(self.repoPaths.worktreePath).
 		ToArgv()
diff --git a/pkg/commands/git_commands/commit_test.go b/pkg/commands/git_commands/commit_test.go
index c3708422e..239d7fa8f 100644
--- a/pkg/commands/git_commands/commit_test.go
+++ b/pkg/commands/git_commands/commit_test.go
@@ -228,54 +228,69 @@ func TestCommitCreateAmendCommit(t *testing.T) {
 
 func TestCommitShowCmdObj(t *testing.T) {
 	type scenario struct {
-		testName         string
-		filterPath       string
-		contextSize      int
-		ignoreWhitespace bool
-		extDiffCmd       string
-		expected         []string
+		testName            string
+		filterPath          string
+		contextSize         int
+		similarityThreshold int
+		ignoreWhitespace    bool
+		extDiffCmd          string
+		expected            []string
 	}
 
 	scenarios := []scenario{
 		{
-			testName:         "Default case without filter path",
-			filterPath:       "",
-			contextSize:      3,
-			ignoreWhitespace: false,
-			extDiffCmd:       "",
-			expected:         []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890"},
+			testName:            "Default case without filter path",
+			filterPath:          "",
+			contextSize:         3,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			extDiffCmd:          "",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890", "--find-renames=50%"},
 		},
 		{
-			testName:         "Default case with filter path",
-			filterPath:       "file.txt",
-			contextSize:      3,
-			ignoreWhitespace: false,
-			extDiffCmd:       "",
-			expected:         []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890", "--", "file.txt"},
+			testName:            "Default case with filter path",
+			filterPath:          "file.txt",
+			contextSize:         3,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			extDiffCmd:          "",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890", "--find-renames=50%", "--", "file.txt"},
 		},
 		{
-			testName:         "Show diff with custom context size",
-			filterPath:       "",
-			contextSize:      77,
-			ignoreWhitespace: false,
-			extDiffCmd:       "",
-			expected:         []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=77", "--stat", "--decorate", "-p", "1234567890"},
+			testName:            "Show diff with custom context size",
+			filterPath:          "",
+			contextSize:         77,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			extDiffCmd:          "",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=77", "--stat", "--decorate", "-p", "1234567890", "--find-renames=50%"},
 		},
 		{
-			testName:         "Show diff, ignoring whitespace",
-			filterPath:       "",
-			contextSize:      77,
-			ignoreWhitespace: true,
-			extDiffCmd:       "",
-			expected:         []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=77", "--stat", "--decorate", "-p", "1234567890", "--ignore-all-space"},
+			testName:            "Show diff with custom similarity threshold",
+			filterPath:          "",
+			contextSize:         3,
+			similarityThreshold: 33,
+			ignoreWhitespace:    false,
+			extDiffCmd:          "",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890", "--find-renames=33%"},
 		},
 		{
-			testName:         "Show diff with external diff command",
-			filterPath:       "",
-			contextSize:      3,
-			ignoreWhitespace: false,
-			extDiffCmd:       "difft --color=always",
-			expected:         []string{"-C", "/path/to/worktree", "-c", "diff.external=difft --color=always", "-c", "diff.noprefix=false", "show", "--ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890"},
+			testName:            "Show diff, ignoring whitespace",
+			filterPath:          "",
+			contextSize:         77,
+			similarityThreshold: 50,
+			ignoreWhitespace:    true,
+			extDiffCmd:          "",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.noprefix=false", "show", "--no-ext-diff", "--submodule", "--color=always", "--unified=77", "--stat", "--decorate", "-p", "1234567890", "--ignore-all-space", "--find-renames=50%"},
+		},
+		{
+			testName:            "Show diff with external diff command",
+			filterPath:          "",
+			contextSize:         3,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			extDiffCmd:          "difft --color=always",
+			expected:            []string{"-C", "/path/to/worktree", "-c", "diff.external=difft --color=always", "-c", "diff.noprefix=false", "show", "--ext-diff", "--submodule", "--color=always", "--unified=3", "--stat", "--decorate", "-p", "1234567890", "--find-renames=50%"},
 		},
 	}
 
@@ -286,6 +301,7 @@ func TestCommitShowCmdObj(t *testing.T) {
 			appState := &config.AppState{}
 			appState.IgnoreWhitespaceInDiffView = s.ignoreWhitespace
 			appState.DiffContextSize = s.contextSize
+			appState.RenameSimilarityThreshold = s.similarityThreshold
 
 			runner := oscommands.NewFakeRunner(t).ExpectGitArgs(s.expected, "", nil)
 			repoPaths := RepoPaths{
diff --git a/pkg/commands/git_commands/file_loader.go b/pkg/commands/git_commands/file_loader.go
index 73d7fdc64..72329543a 100644
--- a/pkg/commands/git_commands/file_loader.go
+++ b/pkg/commands/git_commands/file_loader.go
@@ -100,15 +100,19 @@ type FileStatus struct {
 	PreviousName string
 }
 
-func (c *FileLoader) gitStatus(opts GitStatusOptions) ([]FileStatus, error) {
+func (self *FileLoader) gitStatus(opts GitStatusOptions) ([]FileStatus, error) {
 	cmdArgs := NewGitCmd("status").
 		Arg(opts.UntrackedFilesArg).
 		Arg("--porcelain").
 		Arg("-z").
-		ArgIf(opts.NoRenames, "--no-renames").
+		ArgIfElse(
+			opts.NoRenames,
+			"--no-renames",
+			fmt.Sprintf("--find-renames=%d%%", self.AppState.RenameSimilarityThreshold),
+		).
 		ToArgv()
 
-	statusLines, _, err := c.cmd.New(cmdArgs).DontLog().RunWithOutputs()
+	statusLines, _, err := self.cmd.New(cmdArgs).DontLog().RunWithOutputs()
 	if err != nil {
 		return []FileStatus{}, err
 	}
diff --git a/pkg/commands/git_commands/file_loader_test.go b/pkg/commands/git_commands/file_loader_test.go
index 73fac7ef4..5a9f15700 100644
--- a/pkg/commands/git_commands/file_loader_test.go
+++ b/pkg/commands/git_commands/file_loader_test.go
@@ -5,27 +5,31 @@ import (
 
 	"github.com/jesseduffield/lazygit/pkg/commands/models"
 	"github.com/jesseduffield/lazygit/pkg/commands/oscommands"
+	"github.com/jesseduffield/lazygit/pkg/config"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestFileGetStatusFiles(t *testing.T) {
 	type scenario struct {
-		testName      string
-		runner        oscommands.ICmdObjRunner
-		expectedFiles []*models.File
+		testName            string
+		similarityThreshold int
+		runner              oscommands.ICmdObjRunner
+		expectedFiles       []*models.File
 	}
 
 	scenarios := []scenario{
 		{
 			"No files found",
+			50,
 			oscommands.NewFakeRunner(t).
-				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z"}, "", nil),
+				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z", "--find-renames=50%"}, "", nil),
 			[]*models.File{},
 		},
 		{
 			"Several files found",
+			50,
 			oscommands.NewFakeRunner(t).
-				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z"},
+				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z", "--find-renames=50%"},
 					"MM file1.txt\x00A  file3.txt\x00AM file2.txt\x00?? file4.txt\x00UU file5.txt",
 					nil,
 				),
@@ -94,8 +98,9 @@ func TestFileGetStatusFiles(t *testing.T) {
 		},
 		{
 			"File with new line char",
+			50,
 			oscommands.NewFakeRunner(t).
-				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z"}, "MM a\nb.txt", nil),
+				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z", "--find-renames=50%"}, "MM a\nb.txt", nil),
 			[]*models.File{
 				{
 					Name:                    "a\nb.txt",
@@ -113,8 +118,9 @@ func TestFileGetStatusFiles(t *testing.T) {
 		},
 		{
 			"Renamed files",
+			50,
 			oscommands.NewFakeRunner(t).
-				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z"},
+				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z", "--find-renames=50%"},
 					"R  after1.txt\x00before1.txt\x00RM after2.txt\x00before2.txt",
 					nil,
 				),
@@ -149,8 +155,9 @@ func TestFileGetStatusFiles(t *testing.T) {
 		},
 		{
 			"File with arrow in name",
+			50,
 			oscommands.NewFakeRunner(t).
-				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z"},
+				ExpectGitArgs([]string{"status", "--untracked-files=yes", "--porcelain", "-z", "--find-renames=50%"},
 					`?? a -> b.txt`,
 					nil,
 				),
@@ -175,8 +182,11 @@ func TestFileGetStatusFiles(t *testing.T) {
 		t.Run(s.testName, func(t *testing.T) {
 			cmd := oscommands.NewDummyCmdObjBuilder(s.runner)
 
+			appState := &config.AppState{}
+			appState.RenameSimilarityThreshold = s.similarityThreshold
+
 			loader := &FileLoader{
-				GitCommon:   buildGitCommon(commonDeps{}),
+				GitCommon:   buildGitCommon(commonDeps{appState: appState}),
 				cmd:         cmd,
 				config:      &FakeFileLoaderConfig{showUntrackedFiles: "yes"},
 				getFileType: func(string) string { return "file" },
diff --git a/pkg/commands/git_commands/stash.go b/pkg/commands/git_commands/stash.go
index 5eeaa6a68..047985e38 100644
--- a/pkg/commands/git_commands/stash.go
+++ b/pkg/commands/git_commands/stash.go
@@ -87,6 +87,7 @@ func (self *StashCommands) ShowStashEntryCmdObj(index int) oscommands.ICmdObj {
 		Arg(fmt.Sprintf("--color=%s", self.UserConfig.Git.Paging.ColorArg)).
 		Arg(fmt.Sprintf("--unified=%d", self.AppState.DiffContextSize)).
 		ArgIf(self.AppState.IgnoreWhitespaceInDiffView, "--ignore-all-space").
+		Arg(fmt.Sprintf("--find-renames=%d%%", self.AppState.RenameSimilarityThreshold)).
 		Arg(fmt.Sprintf("stash@{%d}", index)).
 		Dir(self.repoPaths.worktreePath).
 		ToArgv()
diff --git a/pkg/commands/git_commands/stash_test.go b/pkg/commands/git_commands/stash_test.go
index accd05890..207ddb126 100644
--- a/pkg/commands/git_commands/stash_test.go
+++ b/pkg/commands/git_commands/stash_test.go
@@ -98,34 +98,46 @@ func TestStashHash(t *testing.T) {
 
 func TestStashStashEntryCmdObj(t *testing.T) {
 	type scenario struct {
-		testName         string
-		index            int
-		contextSize      int
-		ignoreWhitespace bool
-		expected         []string
+		testName            string
+		index               int
+		contextSize         int
+		similarityThreshold int
+		ignoreWhitespace    bool
+		expected            []string
 	}
 
 	scenarios := []scenario{
 		{
-			testName:         "Default case",
-			index:            5,
-			contextSize:      3,
-			ignoreWhitespace: false,
-			expected:         []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=3", "stash@{5}"},
+			testName:            "Default case",
+			index:               5,
+			contextSize:         3,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			expected:            []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=3", "--find-renames=50%", "stash@{5}"},
 		},
 		{
-			testName:         "Show diff with custom context size",
-			index:            5,
-			contextSize:      77,
-			ignoreWhitespace: false,
-			expected:         []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=77", "stash@{5}"},
+			testName:            "Show diff with custom context size",
+			index:               5,
+			contextSize:         77,
+			similarityThreshold: 50,
+			ignoreWhitespace:    false,
+			expected:            []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=77", "--find-renames=50%", "stash@{5}"},
 		},
 		{
-			testName:         "Default case",
-			index:            5,
-			contextSize:      3,
-			ignoreWhitespace: true,
-			expected:         []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=3", "--ignore-all-space", "stash@{5}"},
+			testName:            "Show diff with custom similarity threshold",
+			index:               5,
+			contextSize:         3,
+			similarityThreshold: 33,
+			ignoreWhitespace:    false,
+			expected:            []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=3", "--find-renames=33%", "stash@{5}"},
+		},
+		{
+			testName:            "Default case",
+			index:               5,
+			contextSize:         3,
+			similarityThreshold: 50,
+			ignoreWhitespace:    true,
+			expected:            []string{"git", "-C", "/path/to/worktree", "stash", "show", "-p", "--stat", "--color=always", "--unified=3", "--ignore-all-space", "--find-renames=50%", "stash@{5}"},
 		},
 	}
 
@@ -135,6 +147,7 @@ func TestStashStashEntryCmdObj(t *testing.T) {
 			appState := &config.AppState{}
 			appState.IgnoreWhitespaceInDiffView = s.ignoreWhitespace
 			appState.DiffContextSize = s.contextSize
+			appState.RenameSimilarityThreshold = s.similarityThreshold
 			repoPaths := RepoPaths{
 				worktreePath: "/path/to/worktree",
 			}
diff --git a/pkg/commands/git_commands/working_tree.go b/pkg/commands/git_commands/working_tree.go
index 7639dbad8..2364f2a68 100644
--- a/pkg/commands/git_commands/working_tree.go
+++ b/pkg/commands/git_commands/working_tree.go
@@ -263,6 +263,7 @@ func (self *WorkingTreeCommands) WorktreeFileDiffCmdObj(node models.IFile, plain
 		Arg(fmt.Sprintf("--unified=%d", contextSize)).
 		Arg(fmt.Sprintf("--color=%s", colorArg)).
 		ArgIf(!plain && self.AppState.IgnoreWhitespaceInDiffView, "--ignore-all-space").
+		Arg(fmt.Sprintf("--find-renames=%d%%", self.AppState.RenameSimilarityThreshold)).
 		ArgIf(cached, "--cached").
 		ArgIf(noIndex, "--no-index").
 		Arg("--").
diff --git a/pkg/commands/git_commands/working_tree_test.go b/pkg/commands/git_commands/working_tree_test.go
index cc0ad55f5..a4270e732 100644
--- a/pkg/commands/git_commands/working_tree_test.go
+++ b/pkg/commands/git_commands/working_tree_test.go
@@ -205,13 +205,14 @@ func TestWorkingTreeDiscardAllFileChanges(t *testing.T) {
 
 func TestWorkingTreeDiff(t *testing.T) {
 	type scenario struct {
-		testName         string
-		file             *models.File
-		plain            bool
-		cached           bool
-		ignoreWhitespace bool
-		contextSize      int
-		runner           *oscommands.FakeCmdObjRunner
+		testName            string
+		file                *models.File
+		plain               bool
+		cached              bool
+		ignoreWhitespace    bool
+		contextSize         int
+		similarityThreshold int
+		runner              *oscommands.FakeCmdObjRunner
 	}
 
 	const expectedResult = "pretend this is an actual git diff"
@@ -224,12 +225,13 @@ func TestWorkingTreeDiff(t *testing.T) {
 				HasStagedChanges: false,
 				Tracked:          true,
 			},
-			plain: