From 0b86ba778457fce30218d7715356ac3f089c2321 Mon Sep 17 00:00:00 2001
From: David Gidwani <david.gidwani@gmail.com>
Date: Mon, 27 Feb 2017 20:02:47 -0500
Subject: [PATCH] allow preservation of top-level dependencies for #12

---
 src/reqwire/config.py   | 2 ++
 src/reqwire/scaffold.py | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/src/reqwire/config.py b/src/reqwire/config.py
index caba359..030dd9e 100644
--- a/src/reqwire/config.py
+++ b/src/reqwire/config.py
@@ -9,7 +9,9 @@
 __all__ = (
     'env',
     'lockfile',
+    'preserve_toplevel',
 )
 
 env = biome.reqwire
 lockfile = env.get_path('lockfile', pathlib.Path('.reqwire.lock'))
+preserve_toplevel = env.get_bool('preserve_toplevel', default=False)
diff --git a/src/reqwire/scaffold.py b/src/reqwire/scaffold.py
index 4cdee84..7be4da6 100644
--- a/src/reqwire/scaffold.py
+++ b/src/reqwire/scaffold.py
@@ -221,6 +221,9 @@ def extend_source_file(working_directory,             # type: str
         prereleases=prereleases,
         intersect=True)
 
+    if reqwire.config.preserve_toplevel:
+        resolved_requirements |= req_file.requirements
+
     nested_cfiles = ordered_set.OrderedSet(
         str(cf.filename.relative_to(filename.parent))
         for cf in req_file.nested_cfiles)