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eliminate win32.user_rcpath_win32()

windows: eliminate system_rcpath_win32()

win32: move system_rcpath_win32() to windows.py no code change in system_rcpath_win32 This breaks the dependency from the win32 module on osutil

win32: new function executable_path

port win32.py to using the Python ctypes library The pywin32 package is no longer needed. ctypes is now required for running Mercurial on Windows. ctypes is included in Python since version 2.5. For Python 2.4, ctypes is available as an extra installer package for Windows. Moved spawndetached() from windows.py to win32.py and fixed it, using ctypes as well. spawndetached was defunct with Python 2.6.6 because Python removed their undocumented subprocess.CreateProcess. This fixes 'hg serve -d' on Windows.

win32: optimize parameters for the CreateFile call in _getfileinfo Set dwDesiredAccess to 0 instead of GENERIC_READ. Zero is enough for querying the file metadata. We don't even need to access the -contents- of the file. Set dwShareMode to FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE instead of the overly restrictive FILE_SHARE_READ. There is no need to cause write or delete accesses by other processes to fail while we are querying file metadata. See http://msdn.microsoft.com/en-us/library/aa363858(v=vs.85).aspx

merge with stable

url: return the matched authentication group name from readauthforuri() Internally, the group name is only used in debug statements, but readauthforuri can be also used externally to determine which group will be matched for a given URL.

url: move [auth] parsing out into a utility function No functionality change, but it makes the [auth] section parsing and best match detection usable by third party tools