dirstate-entry: add a `mode` property

dirstate-entry: add a `mode` property

This is clearer than "tuple" indexing.

Differential Revision: https://phab.mercurial-scm.org/D10979

--- a/mercurial/cext/parsers.c	Sun Jul 04 02:28:08 2021 +0200
+++ b/mercurial/cext/parsers.c	Sun Jul 04 02:33:21 2021 +0200
@@ -169,6 +169,11 @@
     {NULL} /* Sentinel */
 };
 
+static PyObject *dirstatetuple_get_mode(dirstateTupleObject *self)
+{
+	return PyInt_FromLong(self->mode);
+};
+
 static PyObject *dirstatetuple_get_state(dirstateTupleObject *self)
 {
 	return PyBytes_FromStringAndSize(&self->state, 1);
@@ -238,6 +243,7 @@
 };
 
 static PyGetSetDef dirstatetuple_getset[] = {
+    {"mode", (getter)dirstatetuple_get_mode, NULL, "mode", NULL},
     {"state", (getter)dirstatetuple_get_state, NULL, "state", NULL},
     {"tracked", (getter)dirstatetuple_get_tracked, NULL, "tracked", NULL},
     {"added", (getter)dirstatetuple_get_added, NULL, "added", NULL},

--- a/mercurial/dirstate.py	Sun Jul 04 02:28:08 2021 +0200
+++ b/mercurial/dirstate.py	Sun Jul 04 02:33:21 2021 +0200
@@ -1307,7 +1307,7 @@
             # general. That is much slower than simply accessing and storing the
             # tuple members one by one.
             t = dget(fn)
-            mode = t[1]
+            mode = t.mode
             size = t[2]
             time = t[3]
 

--- a/mercurial/pure/parsers.py	Sun Jul 04 02:28:08 2021 +0200
+++ b/mercurial/pure/parsers.py	Sun Jul 04 02:33:21 2021 +0200
@@ -72,6 +72,10 @@
             raise IndexError(idx)
 
     @property
+    def mode(self):
+        return self._mode
+
+    @property
     def state(self):
         """
         States are: