diff mercurial/extensions.py @ 5087:b3cc62268a91

Cache extension load failures.
hg commands call extensions.loadall twice, once during dispatch and
once when the repository is instantiated. Without this change, load
caches successful loads, but not unsuccessful, causing errors to be
displayed twice.

--- a/mercurial/extensions.py	Thu Aug 09 01:04:27 2007 +0200
+++ b/mercurial/extensions.py	Wed Aug 08 18:04:06 2007 -0700
@@ -24,6 +24,7 @@
 def load(ui, name, path):
     if name in _extensions:
         return
+    _extensions[shortname] = None
     if path:
         # the module will be loaded in sys.modules
         # choose an unique name so that it doesn't