extensions: add docstring for wrapcommand().
--- a/mercurial/extensions.py Fri Jul 09 13:31:37 2010 +0200
+++ b/mercurial/extensions.py Fri Jul 09 10:57:57 2010 +0200
@@ -104,6 +104,18 @@
extsetup() # old extsetup with no ui argument
def wrapcommand(table, command, wrapper):
+ '''Wrap the command named `command' in table
+
+ Replace command in the command table with wrapper. The wrapped command will
+ be inserted into the command table specified by the table argument.
+
+ The wrapper will be called like
+
+ wrapper(orig, *args, **kwargs)
+
+ where orig is the original (wrapped) function, and *args, **kwargs
+ are the arguments passed to it.
+ '''
aliases, entry = cmdutil.findcmd(command, table)
for alias, e in table.iteritems():
if e is entry: