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Fixed cp --preserve accepting no args
Signed-off-by: Hanif Bin Ariffin <hanif.ariffin.4326@gmail.com>
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@ -396,6 +396,7 @@ pub fn uumain(args: impl uucore::Args) -> i32 {
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.multiple(true)
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.use_delimiter(true)
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.possible_values(PRESERVABLE_ATTRIBUTES)
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.min_values(0)
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.value_name("ATTR_LIST")
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.conflicts_with_all(&[OPT_PRESERVE_DEFAULT_ATTRIBUTES, OPT_NO_PRESERVE])
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// -d sets this option
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