diff --git a/mercurial/cext/parsers.c b/mercurial/cext/parsers.c
--- a/mercurial/cext/parsers.c
+++ b/mercurial/cext/parsers.c
@@ -567,6 +567,14 @@
 		Py_RETURN_FALSE;
 	}
 };
+static PyObject *dirstate_item_get_p1_tracked(dirstateItemObject *self)
+{
+	if (self->flags & dirstate_flag_p1_tracked) {
+		Py_RETURN_TRUE;
+	} else {
+		Py_RETURN_FALSE;
+	}
+};
 
 static PyObject *dirstate_item_get_added(dirstateItemObject *self)
 {
@@ -642,6 +650,8 @@
     {"mtime", (getter)dirstate_item_get_mtime, NULL, "mtime", NULL},
     {"state", (getter)dirstate_item_get_state, NULL, "state", NULL},
     {"tracked", (getter)dirstate_item_get_tracked, NULL, "tracked", NULL},
+    {"p1_tracked", (getter)dirstate_item_get_p1_tracked, NULL, "p1_tracked",
+     NULL},
     {"added", (getter)dirstate_item_get_added, NULL, "added", NULL},
     {"p2_info", (getter)dirstate_item_get_p2_info, NULL, "p2_info", NULL},
     {"merged", (getter)dirstate_item_get_merged, NULL, "merged", NULL},
diff --git a/mercurial/pure/parsers.py b/mercurial/pure/parsers.py
--- a/mercurial/pure/parsers.py
+++ b/mercurial/pure/parsers.py
@@ -301,6 +301,11 @@
         return True
 
     @property
+    def p1_tracked(self):
+        """True if the file is tracked in the first parent manifest"""
+        return self._p1_tracked
+
+    @property
     def p2_info(self):
         """True if the file needed to merge or apply any input from p2