extensions: add a note about debug output during extensions search
These messages do not show up when one use '--debug'. This is quite confusing so
we clarify the situation next to the 'ui.debug' call.
--- a/mercurial/extensions.py Fri Sep 30 00:25:15 2016 +0200
+++ b/mercurial/extensions.py Fri Sep 30 00:27:35 2016 +0200
@@ -81,6 +81,8 @@
return mod
def _reportimporterror(ui, err, failed, next):
+ # note: this ui.debug happens before --debug is processed,
+ # Use --config ui.debug=1 to see them.
ui.debug('could not import %s (%s): trying %s\n'
% (failed, err, next))
if ui.debugflag: