dirstate-entry: add a `removed` property

Lets start to define and use more semantic property.

Differential Revision: https://phab.mercurial-scm.org/D10957

mercurial/cext/parsers.c

@@ -175,10 +175,20 b' static PyObject *dirstatetuple_get_from_'
 	}
 };
 
+static PyObject *dirstatetuple_get_removed(dirstateTupleObject *self)
+{
+	if (self->state == 'r') {
+		Py_RETURN_TRUE;
+	} else {
+		Py_RETURN_FALSE;
+	}
+};
+
 static PyGetSetDef dirstatetuple_getset[] = {
     {"state", (getter)dirstatetuple_get_state, NULL, "state", NULL},
     {"merged", (getter)dirstatetuple_get_merged, NULL, "merged", NULL},
     {"from_p2", (getter)dirstatetuple_get_from_p2, NULL, "from_p2", NULL},
+    {"removed", (getter)dirstatetuple_get_removed, NULL, "removed", NULL},
     {NULL} /* Sentinel */
 };
 

mercurial/dirstate.py

@@ -472,7 +472,7 b' class dirstate(object):'
                 if self._map.hastrackeddir(d):
                     break
                 entry = self._map.get(d)
-                if entry is not None and entry.state != b'r':
+                if entry is not None and not entry.removed:
                     msg = _(b'file %r in dirstate clashes with %r')
                     msg %= (pycompat.bytestr(d), pycompat.bytestr(f))
                     raise error.Abort(msg)
@@ -531,9 +531,7 b' class dirstate(object):'
             # being removed, restore that state.
             entry = self._map.get(f)
             if entry is not None:
-                if entry.state == b'r' and (
-                    entry[2] == NONNORMAL or entry.from_p2
-                ):
+                if entry.removed and (entry[2] == NONNORMAL or entry.from_p2):
                     source = self._map.copymap.get(f)
                     if entry[2] == NONNORMAL:
                         self.merge(f)
@@ -1364,7 +1362,7 b' class dirstate(object):'
                 madd(fn)
             elif state == b'a':
                 aadd(fn)
-            elif state == b'r':
+            elif t.removed:
                 radd(fn)
         status = scmutil.status(
             modified, added, removed, deleted, unknown, ignored, clean

mercurial/pure/parsers.py

@@ -99,6 +99,11 b' class dirstatetuple(object):'
         """
         return self._size == FROM_P2
 
+    @property
+    def removed(self):
+        """True if the file has been removed"""
+        return self._state == b'r'
+
     def v1_state(self):
         """return a "state" suitable for v1 serialization"""
         return self._state