_frontend/app.py: Initialize logging before preflighting the artifact cache

The artifact cache emits messages, and we want to allow that in preflight.

1 files changed, 7 insertions, 5 deletions

diff --git a/buildstream/_frontend/app.py b/buildstream/_frontend/app.py
index af38ae901..b6da079bd 100644
--- a/buildstream/_frontend/app.py
+++ b/buildstream/_frontend/app.py
@@ -194,11 +194,6 @@ class App():
         except BstError as e:
             self._error_exit(e, "Error instantiating platform")
 
-        try:
-            self.context.artifactcache.preflight()
-        except BstError as e:
-            self._error_exit(e, "Error instantiating artifact cache")
-
         # Create the logger right before setting the message handler
         self.logger = LogLine(self.context,
                               self._content_profile,
@@ -211,6 +206,13 @@ class App():
         # Propagate pipeline feedback to the user
         self.context.set_message_handler(self._message_handler)
 
+        # Preflight the artifact cache after initializing logging,
+        # this can cause messages to be emitted.
+        try:
+            self.context.artifactcache.preflight()
+        except BstError as e:
+            self._error_exit(e, "Error instantiating artifact cache")
+
         #
         # Load the Project
         #