Format Diff to be able to be applied with `patch -s -p0 < file.patch`

[cleder]

crepr add tests/classes/*.py --diff
should produce:

diff --git a/tests/classes/class_without_repr.py b/tests/classes/class_without_repr.py
index e98cb0b..bb19906 100644
--- a/tests/classes/class_without_repr.py
+++ b/tests/classes/class_without_repr.py
@@ -12,3 +12,9 @@ class MyClassWithoutRepr:
     def __init__(self: Self, value: str) -> None:
         """Initialize the class with the given value."""
         self.value = value
+
+    def __repr__(self) -> str:
+        """Create a string (c)representation for MyClassWithoutRepr."""
+        return (f'{self.__class__.__module__}.{self.__class__.__name__}('
+            f'value={self.value!r}, '
+        ')')
diff --git a/tests/classes/existing_repr_test.py b/tests/classes/existing_repr_test.py
index 004e416..1beb132 100644
--- a/tests/classes/existing_repr_test.py
+++ b/tests/classes/existing_repr_test.py
@@ -23,6 +23,13 @@ class NoRepr:
         """Initialize the class."""
         self.name = name
 
+    def __repr__(self) -> str:
+        """Create a string (c)representation for NoRepr."""
+        return (f'{self.__class__.__module__}.{self.__class__.__name__}('
+            f'name={self.name!r}, '
+        ')')
+
+
 
 @dataclasses.dataclass
 class TestDataClass:
@@ -35,4 +42,4 @@ class TestDataClass:
 class TestDataClassFrozen:
     """A simple frozen dataclass for testing ignore existing flag."""
 
-    number: int
+    number: int
\ No newline at end of file
diff --git a/tests/classes/kw_only_test.py b/tests/classes/kw_only_test.py
index 72565b3..79733cf 100644
--- a/tests/classes/kw_only_test.py
+++ b/tests/classes/kw_only_test.py
@@ -10,3 +10,10 @@ class KwOnly:
         """Initialize the class."""
         self.name = name  # pragma: no cover
         self.age = age  # pragma: no cover
+
+    def __repr__(self) -> str:
+        """Create a string (c)representation for KwOnly."""
+        return (f'{self.__class__.__module__}.{self.__class__.__name__}('
+            f'name={self.name!r}, '
+            f'age={self.age!r}, '
+        ')')
diff --git a/tests/classes/splat_kwargs_test.py b/tests/classes/splat_kwargs_test.py
index 0584692..8e766a6 100644
--- a/tests/classes/splat_kwargs_test.py
+++ b/tests/classes/splat_kwargs_test.py
@@ -10,3 +10,10 @@ class SplatKwargs:
         """Initialize the class."""
         self.name = name  # pragma: no cover
         self.kwargs = kwargs  # pragma: no cover
+
+    def __repr__(self) -> str:
+        """Create a string (c)representation for SplatKwargs."""
+        return (f'{self.__class__.__module__}.{self.__class__.__name__}('
+            f'name={self.name!r}, '
+            f'**{},'
+        ')')

and crepr remove tests/classes/*.py --diff

diff --git a/tests/classes/class_with_repr_test.py b/tests/classes/class_with_repr_test.py
index 334e901..5de1dfc 100644
--- a/tests/classes/class_with_repr_test.py
+++ b/tests/classes/class_with_repr_test.py
@@ -12,11 +12,3 @@ class MyClassWithRepr:
     def __init__(self: Self, value: str) -> None:
         """Initialize the class with the given value."""
         self.value = value
-
-    def __repr__(self: Self) -> str:
-        """Create a string (c)representation for MyClassWithRepr."""
-        return (
-            f"{self.__class__.__module__}.{self.__class__.__name__}("
-            f"value={self.value!r}, "
-            ")"
-        )
diff --git a/tests/classes/class_without_repr.py b/tests/classes/class_without_repr.py
index e98cb0b..b3a35cb 100644
--- a/tests/classes/class_without_repr.py
+++ b/tests/classes/class_without_repr.py
@@ -11,4 +11,4 @@ class MyClassWithoutRepr:
 
     def __init__(self: Self, value: str) -> None:
         """Initialize the class with the given value."""
-        self.value = value
+        self.value = value
\ No newline at end of file
diff --git a/tests/classes/existing_repr_test.py b/tests/classes/existing_repr_test.py
index 004e416..a03e6b8 100644
--- a/tests/classes/existing_repr_test.py
+++ b/tests/classes/existing_repr_test.py
@@ -11,9 +11,6 @@ class ExistingRepr:
         """Initialize the class."""
         self.name = name
 
-    def __repr__(self: Self) -> str:
-        """Existing repr magic method of the class."""
-        return f"ExistingRepr(name={self.name!r})"
 
 
 class NoRepr:
@@ -35,4 +32,4 @@ class TestDataClass:
 class TestDataClassFrozen:
     """A simple frozen dataclass for testing ignore existing flag."""
 
-    number: int
+    number: int
\ No newline at end of file
diff --git a/tests/classes/kw_only_test.py b/tests/classes/kw_only_test.py
index 72565b3..7c37b74 100644
--- a/tests/classes/kw_only_test.py
+++ b/tests/classes/kw_only_test.py
@@ -9,4 +9,4 @@ class KwOnly:
     def __init__(self: Self, name: str, *, age: int) -> None:
         """Initialize the class."""
         self.name = name  # pragma: no cover
-        self.age = age  # pragma: no cover
+        self.age = age  # pragma: no cover
\ No newline at end of file
diff --git a/tests/classes/splat_kwargs_test.py b/tests/classes/splat_kwargs_test.py
index 0584692..3cec523 100644
--- a/tests/classes/splat_kwargs_test.py
+++ b/tests/classes/splat_kwargs_test.py
@@ -9,4 +9,4 @@ class SplatKwargs:
     def __init__(self: Self, name: str, **kwargs: int) -> None:
         """Initialize the class."""
         self.name = name  # pragma: no cover
-        self.kwargs = kwargs  # pragma: no cover
+        self.kwargs = kwargs  # pragma: no cover
\ No newline at end of file

Nnot sure if all of the above is needed, the diff was created by applying the changes and using git--diff
I am not sure if e.g: \ No newline at end of file and index 72565b3..7c37b74 100644, etc. is needed.