recognize user:password in URLs that include port numbers.
when giving user/pwd in an URL, eg.
hg pull http://user:pwd@host.com:666/hg/something,
hg would still ask for user/pwd in interactive mode (or fail in
non-interactive)
% file replaced with directory
adding a
% should fail - would corrupt dirstate
abort: file named 'a' already in dirstate
% directory replaced with file
adding a/a
% should fail - would corrupt dirstate
abort: directory named 'a' already in dirstate
% directory replaced with file
adding b/c/d
% should fail - would corrupt dirstate
abort: directory named 'b' already in dirstate