fix(debug_files): Do not add .dSYM extension to mach-o files

src/sentry/models/debugfile.py

@@ -165,7 +165,7 @@ def file_extension(self) -> str:
         if self.file_format == "breakpad":
             return ".sym"
         if self.file_format == "macho":
-            return "" if self.file_type == "exe" else ".dSYM"
+            return ""
         if self.file_format == "proguard":
             return ".txt"
         if self.file_format == "elf":

tests/sentry/models/test_debugfile.py

@@ -147,6 +147,26 @@ def test_file_extension_dartsymbolmap(self) -> None:
         # Verify that file_extension returns .json
         assert dif.file_extension == ".json"
 
+    def test_file_extension_macho(self) -> None:
+        """Test that macho files return empty file extension."""
+        file = File.objects.create(
+            name="foo",
+            type="project.dif",
+            headers={"Content-Type": "application/x-mach-binary"},
+        )
+
+        dif = ProjectDebugFile.objects.create(
+            file=file,
+            checksum="test-checksum",
+            object_name="foo",
+            cpu_name="x86_64",
+            project_id=self.project.id,
+            debug_id="b8e43a-f242-3d73-a453-aeb6a777ef75",
+            data={"type": "dbg"},
+        )
+
+        assert dif.file_extension == ""
+
 
 class CreateDebugFileTest(APITestCase):
     @property