blackbox: consolidate conditions for early return
Just pick the lastui only if it is usable.
--- a/hgext/blackbox.py Sun Nov 11 16:34:49 2018 +0900
+++ b/hgext/blackbox.py Sun Nov 11 16:38:43 2018 +0900
@@ -157,18 +157,15 @@
if self._bbvfs:
ui = self
- else:
+ elif lastui and lastui._bbvfs:
# certain ui instances exist outside the context of
# a repo, so just default to the last blackbox that
# was seen.
ui = lastui
-
- if not ui:
- return
- vfs = ui._bbvfs
- if not vfs:
+ else:
return
+ vfs = ui._bbvfs
repo = ui._bbrepo
lastui = ui