prompt user for http authentication info in interactive mode, mercurial now asks the user for the username and password when the server requires it. the previous behavior was to fail with an http 401. based on patch from eric jaffe <jaffe.eric@gmail.com>.

#!/bin/sh

hg init a
echo a > a/a
hg --cwd a ci -A -m a
hg clone a b
echo b > b/b
hg --cwd b ci -A -m b
chmod 100 a/.hg
hg --cwd b push ../a
chmod 700 a/.hg