From 4715d9d858d65ea698a0d64eee9322d39eb0a134 Mon Sep 17 00:00:00 2001
From: Sven van Heugten <sven@memcmp.org>
Date: Thu, 5 Mar 2026 17:39:48 +0100
Subject: [PATCH] Introduce should_include_change

---
 bin/mechanicaldiff.py | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

diff --git a/bin/mechanicaldiff.py b/bin/mechanicaldiff.py
index eac2c4f..54441fc 100755
--- a/bin/mechanicaldiff.py
+++ b/bin/mechanicaldiff.py
@@ -3,7 +3,30 @@
 import sys
 
 
+def should_include_change(change_lines: list[str], search: str, replace: str) -> bool:
+    return True
+
+
 def should_include_hunk(hunk_text: str, search: str, replace: str) -> bool:
+    lines = hunk_text.splitlines()
+    if not lines:
+        return True
+
+    change = []
+    for line in lines[1:]:
+        if line.startswith(("+", "-")):
+            change.append(line)
+            continue
+
+        if change:
+            if not should_include_change(change, search, replace):
+                return False
+            change = []
+
+    if change:
+        if not should_include_change(change, search, replace):
+            return False
+
     return True