demandimport: ignore pwd and grp.
Both are unavailable under Windows and tarfile detects them via ImportError.
#!/bin/shhg init acd ahg init becho x > b/xecho '# should print nothing'hg add bhg stecho '# should fail'hg st b/xhg add b/xecho '# should arguably print nothing'hg st becho a > ahg ci -Ama aecho '# should fail'hg mv a bhg st