GRM-34: fix: handle same-version update in release.py

scripts/release.py

@@ -103,6 +103,8 @@ def update_init_version(new_version: str) -> None:
     """Update __version__ in __init__.py."""
     with open(INIT_FILE) as f:
         content = f.read()
+    if not re.search(r'^__version__\s*=\s*"[^"]*"', content, flags=re.MULTILINE):
+        raise click.ClickException(_("Could not find __version__ in {file}", file=INIT_FILE))
     updated = re.sub(
         r'^__version__\s*=\s*"[^"]*"',
         f'__version__ = "{new_version}"',
@@ -110,8 +112,6 @@ def update_init_version(new_version: str) -> None:
         count=1,
         flags=re.MULTILINE,
     )
-    if updated == content:
-        raise click.ClickException(_("Could not find __version__ in {file}", file=INIT_FILE))
     with open(INIT_FILE, "w") as f:
         f.write(updated)
 

tests/unit/test_release.py

@@ -118,6 +118,14 @@ class TestUpdateInitVersion:
         update_init_version("0.2.0")
         assert '__version__ = "0.2.0"' in init_file.read_text()
 
+    def test_same_version_ok(self, tmp_path, monkeypatch) -> None:
+        """Updating to the same version should not raise."""
+        init_file = tmp_path / "__init__.py"
+        init_file.write_text('__version__ = "0.1.0"\n')
+        monkeypatch.setattr("scripts.release.INIT_FILE", str(init_file))
+        update_init_version("0.1.0")
+        assert '__version__ = "0.1.0"' in init_file.read_text()
+
     def test_no_version_raises(self, tmp_path, monkeypatch) -> None:
         init_file = tmp_path / "__init__.py"
         init_file.write_text('"""module"""\n')