Combine the two hashes only if the file names differ

CHANGELOG.md

@@ -1,6 +1,16 @@
 Jupytext ChangeLog
 ==================
 
+1.16.6 (2024-12-16)
+-------------------
+
+**Fixed**
+- We fixed a "File Changed" warning when saving notebooks ([#1301](https://github.com/mwouts/jupytext/issues/1301))
+
+**Changed**
+- The original file name is easier to infer from the tmp file name in pre-commit hooks ([#1289](https://github.com/mwouts/jupytext/issues/1289)) - thanks to [Lunin Leonid](https://github.com/lrlunin) for making this change.
+
+
 1.16.5 (2024-12-15)
 -------------------
 

src/jupytext/contentsmanager.py

@@ -341,19 +341,22 @@ def read_one_file(alt_path, alt_fmt):
             model["last_modified"] = inputs.timestamp
 
             if require_hash:
-                if inputs.path is None or outputs.path is None:
-                    return model
-                model_other = self.super.get(
-                    inputs.path if path == outputs.path else outputs.path,
-                    require_hash=True,
-                )
-                # The hash of a paired file is the concatenation of
-                # the hashes of the input and output files
-                if path == outputs.path:
-                    model["hash"] = model_other["hash"] + model["hash"]
-                else:
-                    model["hash"] = model["hash"] + model_other["hash"]
-                return model
+                if (
+                    inputs.path is not None
+                    and outputs.path is not None
+                    and inputs.path != outputs.path
+                ):
+                    model_other = self.super.get(
+                        inputs.path if path == outputs.path else outputs.path,
+                        content=False,
+                        require_hash=True,
+                    )
+                    # The hash of a paired file is the concatenation of
+                    # the hashes of the input and output files
+                    if path == outputs.path:
+                        model["hash"] = model_other["hash"] + model["hash"]
+                    else:
+                        model["hash"] = model["hash"] + model_other["hash"]
 
             if not content:
                 return model

src/jupytext/version.py

@@ -1,3 +1,3 @@
 """Jupytext's version number"""
 
-__version__ = "1.16.5"
+__version__ = "1.16.6"