_context.py: Store the directory buildstream was invoked on

buildstream/_context.py

@@ -47,9 +47,12 @@ from .plugin import _plugin_lookup
 # verbosity levels and basically anything pertaining to the context
 # in which BuildStream was invoked.
 #
+# Args:
+#    directory (str): The directory that buildstream was invoked in
+#
 class Context():
 
-    def __init__(self):
+    def __init__(self, directory=None):
 
         # Filename indicating which configuration file was used, or None for the defaults
         self.config_origin = None
@@ -148,6 +151,7 @@ class Context():
         self._log_handle = None
         self._log_filename = None
         self._cascache = None
+        self._directory = directory
 
     # load()
     #

buildstream/_frontend/app.py

@@ -164,7 +164,7 @@ class App():
         # Load the Context
         #
         try:
-            self.context = Context()
+            self.context = Context(directory)
             self.context.load(config)
         except BstError as e:
             self._error_exit(e, "Error loading user configuration")