fix: resolve Windows path case sensitivity in optimize changed code

codeflash/code_utils/git_utils.py

@@ -34,7 +34,7 @@ def get_git_diff(
             only_this_commit + "^1", only_this_commit, ignore_blank_lines=True, ignore_space_at_eol=True
         )
     elif uncommitted_changes:
-        uni_diff_text = repository.git.diff(None, "HEAD", ignore_blank_lines=True, ignore_space_at_eol=True)
+        uni_diff_text = repository.git.diff("HEAD", ignore_blank_lines=True, ignore_space_at_eol=True)
     else:
         uni_diff_text = repository.git.diff(
             commit.hexsha + "^1", commit.hexsha, ignore_blank_lines=True, ignore_space_at_eol=True

codeflash/discovery/functions_to_optimize.py

@@ -666,30 +666,33 @@ def filter_functions(
     submodule_ignored_paths_count: int = 0
     blocklist_funcs_removed_count: int = 0
     previous_checkpoint_functions_removed_count: int = 0
-    tests_root_str = str(tests_root)
-    module_root_str = str(module_root)
+    # Normalize paths for case-insensitive comparison on Windows
+    tests_root_str = os.path.normcase(str(tests_root))
+    module_root_str = os.path.normcase(str(module_root))
 
     # We desperately need Python 3.10+ only support to make this code readable with structural pattern matching
     for file_path_path, functions in modified_functions.items():
         _functions = functions
         file_path = str(file_path_path)
-        if file_path.startswith(tests_root_str + os.sep):
+        file_path_normalized = os.path.normcase(file_path)
+        if file_path_normalized.startswith(tests_root_str + os.sep):
             test_functions_removed_count += len(_functions)
             continue
         if file_path in ignore_paths or any(
-            file_path.startswith(str(ignore_path) + os.sep) for ignore_path in ignore_paths
+            file_path_normalized.startswith(os.path.normcase(str(ignore_path)) + os.sep) for ignore_path in ignore_paths
         ):
             ignore_paths_removed_count += 1
             continue
         if file_path in submodule_paths or any(
-            file_path.startswith(str(submodule_path) + os.sep) for submodule_path in submodule_paths
+            file_path_normalized.startswith(os.path.normcase(str(submodule_path)) + os.sep)
+            for submodule_path in submodule_paths
         ):
             submodule_ignored_paths_count += 1
             continue
         if path_belongs_to_site_packages(Path(file_path)):
             site_packages_removed_count += len(_functions)
             continue
-        if not file_path.startswith(module_root_str + os.sep):
+        if not file_path_normalized.startswith(module_root_str + os.sep):
             non_modules_removed_count += len(_functions)
             continue
         try: