From 5bf376fe64760549b20bb254c716885a16e8a6e1 Mon Sep 17 00:00:00 2001
From: Tristan van Berkom <tristan@codethink.co.uk>
Date: Wed, 23 Dec 2020 15:12:05 +0900
Subject: _stream.py: Don't use Pipeline.add_elements()

This function is used only once and is quite unnecessary
---
 src/buildstream/_stream.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/buildstream/_stream.py b/src/buildstream/_stream.py
index 2625fddb1..09735678b 100644
--- a/src/buildstream/_stream.py
+++ b/src/buildstream/_stream.py
@@ -213,7 +213,10 @@ class Stream:
             if pull_:
                 self._scheduler.clear_queues()
                 self._add_queue(PullQueue(self._scheduler))
-                plan = self._pipeline.add_elements([element], elements)
+
+                # Pull the toplevel element regardless of whether it is in scope
+                plan = elements if element in elements else [element] + elements
+
                 self._enqueue_plan(plan)
                 self._run()
 
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