clone: disable stream support on server side by default.
enable in hgrc like this:
[server]
stream=True
#!/bin/shhg init acd ahg init becho x > b/xecho '# should print nothing'hg stecho '# should print ? b/x'hg st b/xhg add b/xecho '# should print A b/x'hg stecho '# should forget b/x'hg revertecho '# should print nothing'hg st b