[PATCH] mercurial: pass ui to extensions.load (issue5007)

[Jun Wu]

# HG changeset patch
# User Jun Wu <quark at fb.com>
# Date 1450348217 0
#      Thu Dec 17 10:30:17 2015 +0000
# Node ID 216c6e0c002b75f4cc2a485e40960e38dc2bba21
# Parent  b8405d739149cdd6d8d9bd5e3dd2ad8487b1f09a
mercurial: pass ui to extensions.load (issue5007)

extensions.load does need ui argument to print error if an extension
fails to load.

diff --git a/doc/gendoc.py b/doc/gendoc.py
--- a/doc/gendoc.py
+++ b/doc/gendoc.py
@@ -110,7 +110,7 @@
              "   :depth: 1\n\n")
 
     for extensionname in sorted(allextensionnames()):
-        mod = extensions.load(None, extensionname, None)
+        mod = extensions.load(ui, extensionname, None)
         ui.write(minirst.subsection(extensionname))
         ui.write("%s\n\n" % gettext(mod.__doc__))
         cmdtable = getattr(mod, 'cmdtable', None)
diff --git a/mercurial/help.py b/mercurial/help.py
--- a/mercurial/help.py
+++ b/mercurial/help.py
@@ -149,8 +149,7 @@
     for name, docs in itertools.chain(
         extensions.enabled(False).iteritems(),
         extensions.disabled().iteritems()):
-        # extensions.load ignores the UI argument
-        mod = extensions.load(None, name, '')
+        mod = extensions.load(ui, name, '')
         name = name.rpartition('.')[-1]
         if lowercontains(name) or lowercontains(docs):
             # extension docs are already translated