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# Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010 Canonical Ltd
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# Copyright (C) 2005-2010 Canonical Ltd
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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_bzr_logger.error(*args, **kwargs)
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def show_error(*args, **kwargs):
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"""Show an error message to the user.
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Don't use this for exceptions, use report_exception instead.
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This sets the global _bzr_log_filename.
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global _bzr_log_filename
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def _open_or_create_log_file(filename):
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"""Open existing log file, or create with ownership and permissions
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It inherits the ownership and permissions (masked by umask) from
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the containing directory to cope better with being run under sudo
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with $HOME still set to the user's homedir.
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flags = os.O_WRONLY | os.O_APPEND | osutils.O_TEXT
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fd = os.open(filename, flags)
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if e.errno != errno.ENOENT:
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fd = os.open(filename, flags | os.O_CREAT | os.O_EXCL, 0666)
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if e.errno != errno.EEXIST:
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osutils.copy_ownership_from_path(filename)
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return os.fdopen(fd, 'at', 0) # unbuffered
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_bzr_log_filename = _get_bzr_log_filename()
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_rollover_trace_maybe(_bzr_log_filename)
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bzr_log_file = open(_bzr_log_filename, 'at', buffering=0) # unbuffered
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# bzr_log_file.tell() on windows always return 0 until some writing done
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bzr_log_file = _open_or_create_log_file(_bzr_log_filename)
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bzr_log_file.write('\n')
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if bzr_log_file.tell() <= 2:
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bzr_log_file.write("this is a debug log for diagnosing/reporting problems in bzr\n")
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bzr_log_file.write("you can delete or truncate this file, or include sections in\n")
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bzr_log_file.write("bug reports to https://bugs.launchpad.net/bzr/+filebug\n\n")
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return bzr_log_file
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except EnvironmentError, e:
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# If we are failing to open the log, then most likely logging has not
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# been set up yet. So we just write to stderr rather than using
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# 'warning()'. If we using warning(), users get the unhelpful 'no