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config_dir points to a directory with by-release configuration files for
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sandbox_dir points to a directory with a permanently unpacked sandbox with
the already unpacked packages. This speeds up operations even further if
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report. If not given, a temporary directory will be created which gets
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extra_packages can specify a list of additional packages to install which
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dependencies.
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If log_timestamps is True, these log messages will be prefixed with the
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