# HG changeset patch
# User Georges Racinet <georges.racinet@octobus.net>
# Date 2023-10-30 20:25:28
# Node ID 8b243e2a3bc435b5196f11cdfb74cc13e6bcb432
# Parent  8dbd985733ff4954b1bacb764a113330ebbb320e

rust-index: a property to identify the Rust index as such

Will be useful soon in `mercurial.scmutil` and potentially elsewhere

diff --git a/rust/hg-cpython/src/revlog.rs b/rust/hg-cpython/src/revlog.rs
--- a/rust/hg-cpython/src/revlog.rs
+++ b/rust/hg-cpython/src/revlog.rs
@@ -14,9 +14,9 @@ use crate::{
 use cpython::{
     buffer::{Element, PyBuffer},
     exc::{IndexError, ValueError},
-    ObjectProtocol, PyBytes, PyClone, PyDict, PyErr, PyInt, PyList, PyModule,
-    PyObject, PyResult, PySet, PyString, PyTuple, Python, PythonObject,
-    ToPyObject, UnsafePyLeaked,
+    ObjectProtocol, PyBool, PyBytes, PyClone, PyDict, PyErr, PyInt, PyList,
+    PyModule, PyObject, PyResult, PySet, PyString, PyTuple, Python,
+    PythonObject, ToPyObject, UnsafePyLeaked,
 };
 use hg::{
     errors::HgError,
@@ -451,6 +451,11 @@ py_class!(pub class MixedIndex |py| {
         Ok(rust_res)
     }
 
+    @property
+    def is_rust(&self) -> PyResult<PyBool> {
+        Ok(false.to_py_object(py))
+    }
+
 });
 
 /// Take a (potentially) mmap'ed buffer, and return the underlying Python