morphlib: Add BuildBranch abstraction

This is an abstraction on top of SystemBranchDirectories, providing the
ability to add uncommitted changes to the temporary build branch, push
temporary build branches and retrieve the correct repository URI and ref
to build the system.

1 files changed, 1 insertions, 0 deletions

diff --git a/morphlib/__init__.py b/morphlib/__init__.py
index ad90bd4d..8f39cb30 100644
--- a/morphlib/__init__.py
+++ b/morphlib/__init__.py
@@ -50,6 +50,7 @@ import artifactcachereference
 import artifactresolver
 import branchmanager
 import bins
+import buildbranch
 import buildcommand
 import buildenvironment
 import buildsystem